If you want to test like this, you do it at your own risk. If the bypass valve is broken the heater will short cycle and make noise. Pentair MasterTemp Heater Parts At Parts4Heating.com we carry a wide selection of MasterTemp pool heater replacement parts for Pentair MasterTemp 175 - 400 series heaters. Temp only for the test. Pentair 42002-0007S Black and yellow go to the other set. You see those problems a lot more then a sensor that has gone bad. When starting the heater for the swimming season with a water temperature below 50° F (10° C), the heater may be used to heat the water; however, make sure that the heater operates continuously until the water temperature reaches the heater’s minimum setting of 68° F (20° C). In this case, you may have a valve closed down, but not fully closed, or may be wanting to save a little more money on your electricity bill, so you turned down your VS pump as low as you can get away with. The heater comes factory set with a maximum temperature set point at 78° F (25.6 c). For 120 volts, red and yellow to one line, black and blue to the other line. The "Fireman's Switch" is a poor name for the 2 wire 24 volt AC remote control system of the heater. 1-16 of 95 results for "pentair mastertemp 400 control board" Skip to main search results Amazon Prime. A manual heater bypass allows the heater to be taken out of the water loop for maintenance or if there are concerns about the water quality such as low pH that can damage the heat exchanger. The Max-E-Therm is still in production under the Sta-Rite name. If the sensor opens, immediately turn off the heater. Rats and mice often make their home in the electrical box and chew up the wiring. A natural gas or propane heater needs an optimum mixture of air and gas. Does the heater briefly ignite and you get a puff of heat and then shuts down? $349.99. If good, replace control board. The HLS is often caused by lack of sufficient water flow through the heat exchanger. I have a two year old Pentair Mastertemp 400. A tough, rustproof composite exterior handles the heat and weathers the elements. ent type of gas, consult your Pentair dealer. H�*��w�5Pp�� Thermistor Part #: 42001-00536S HLS (High Limit Switch) Part #: 42001-0063S If you are getting the AFS error, that means the safety switches have been satisfied, and the board should be telling the blower to start (power to relay coil). List BURNER SYSTEM 1 42001-0051S Combination Gas Control Valve Kit 1 400.73 412.75 2 38404-4097S 3/4 in. The heater is equipped with a digital operating control that enables the user to pre-set the desired pool and spa water temperatures. Heat pump troubleshooting guide for Pentair pool heaters. The reason is simple: TFPC (Trouble Free Pool Care) is a methodology, not a product that you must purchase. Most visitors online was 3404 , on Jan 24 2020, https://www.pentair.com/content/dam/extranet/aquatics/commercial-pool/literature-and-brochures/brochures/heaters/mastertemp-maxetherm-commercial-heater-brochure-english.pdf, https://www.pentair.com/en/products/commercial-pool-spa-equipment/pool-heaters/mastertemp--high-performance-asme--certified-heaters.html, https://www.pentair.com/en/products/pool-spa-equipment/pool-heaters/mastertemp_heater/sku/460805.html, https://www.pentair.com/content/dam/extranet/product-related/product-manuals/pool-and-spa-equipment/mastertemp/MasterTemp_Pool_and_Spa_Heater_Installation_and_Users_Guide_English.pdf, https://www.troublefreepool.com/threads/heater-integration-with-easytouch-and-new-pump.202123/post-1784068, https://www.troublefreepool.com/threads/gas-pool-heater-and-elevation-altitude.39163/post-327562, https://www.troublefreepool.com/threads/mastertemp-400-shutdown-issue-e05-error.193404/post-1704484, https://www.troublefreepool.com/threads/pentair-mastertemp-400-error-code-e05.73905/post-1191649, https://www.troublefreepool.com/threads/mastertemp-400-e05-error.171793/post-1517990, https://www.troublefreepool.com/threads/mastertemp-400-e05-error.171793/post-1514855, http://www.pentairpoolme.com/uploads/document/file/554/Manual_MasterTemp.pdf, https://www.troublefreepool.com/threads/another-mastertemp-400-with-ags-led-service-heater-led.196702/post-1734928, https://www.troublefreepool.com/threads/mastertemp-400-humming-already-replaced-the-run-cap-still-humming.199621/post-1762831, https://www.troublefreepool.com/threads/mastertemp-400-humming-already-replaced-the-run-cap-still-humming.199621/post-1765494, https://www.troublefreepool.com/threads/pentair-master-temp-400-problems.113128/post-1001404, https://www.pentair.com/content/dam/extranet/product-related/product-manuals/pool-and-spa-equipment/mastertemp/MasterTemp_and_Max-E-Therm_Bypass_Access_Plug_Kit_Instructions_ASME_Models_Only_English.pdf, https://www.troublefreepool.com/threads/mastertemp-400-ng-bad-board.192416/, https://www.troublefreepool.com/threads/mastertemp-400-issue.151028/post-1341812, https://www.troublefreepool.com/threads/water-pressure-switch-removal-pentair-heater.153252/post-1355449, https://www.troublefreepool.com/wiki/index.php?title=Pentair_MasterTemp_Heaters&oldid=3938, New bronze header design for easy access to the thermal regulator and bypass valve service without use of special tools, Upgrades to thermal regulator include a governing stainless steel sleeve for better wear protection, All internal components of the bronze header are plastic for lightweight, corrosion and wear protection. This control board kit is designed to use with Pentair MasterTemp NA and LP Series pool and spa heater electrical systems. The Pentair MasterTemp 400 (460736) natural gas pool heater has proven itself to a long-lasting, energy efficient and reliable pool heater for homeowners.. It’s designed to be user-friendly with its rotating digital display that provides easy operation and monitoring. EasyTouch Control System: Insert the conductors into the GAS HEATER two-screw terminals (J19) on the motherboard. The Jandy control panel has an option, 1 button for pool heat, 1 … Union 2 32.88 33.87 5 77707-0250 Air Blower Kit – Natural Gas Units (Models 175NA) 1 757.69 780.42 5 77707-0251 3,359 satisfied customers. Pentair 42002-0007S After installing the valve, adjust the valve to bring the flow rate within the acceptable range. Eligible for Free Shipping. l�%2¿c"�=gD� West: 213-291-9276 Southwest: 480-719-4511 Midwest: 312-229-0026 Northeast: 631-223-7175 Southeast: 954-866-1644. No click, look at the board. Test the capacitance of the capacitor to make sure that it's correct. This control board kit is designed to use with Pentair MasterTemp NA and LP Series pool and spa heater electrical systems. - Connect wires between the Fireman’s Switch terminals on the heater and the relay. Sequence is blower motor should turn on, AFS senses air flow through a white tube down by the burner can, and switch closes to start the ignition sequence. MasterTemp heaters offer all the efficiency, convenience and reliability features you want in a pool heater, plus a lot more. All is working but not full potential. Free … This is the new and improved control board introduced in 2017. Pool Heater Tips And Troubleshooting You Mastertemp High Performance Pool Heater Pentair Description Qty. You remove the jumper and run a wire from one fireman's switch terminal to the one connection of the J19 terminal in Easytouch and then a wire from the other J19 terminal back to the other fireman's switch terminal or similar connections in other automation controllers. The compact design and super-quiet operation won’t intrude on your poolside leisure time. If any of the original wiring supplied with this heater must be replaced, installer must supply (No. Serious mal-function of the burner can occur which may result in loss of life. 11 years ago . Does ÒPOOL Ó o r ÒSP AÓ A few weeks ago it stopped lighting off. The green spa/ pool heater light is green. With over 200,000 members, TFP is the largest and most influential pool & spa website on the Internet. [)ś The commercial ASME certified performance model features include:[2], Both the MasterTemp and MasterTemp ASME come in an HD model that has a cupro-nickel exchanger. We include fast & free shipping on all orders $75 or more. A thermal regulator and an internal bypass regulate the water flow through the heat exchanger to maintain the correct outlet temperature. by Robzilla8233 3 years ago 1 minute, 47 seconds 77,949 views Trouble shooting a mastertemp that will not turn on when buttons are pressed. 97 0 obj <> endobj TO CONSUMER: Retain these instructions for future reference. Back. MK Rat Proofing sells wire mesh kits to cover the vents of your can fabricate your own using 1/4" mesh wire screen or simple chicken wire and some sheet metal. item 7 Pentair 42002-0007S Control Board Kit Replacement NA And LP Series 7 - Pentair 42002-0007S Control Board Kit Replacement NA And LP Series. I bought this to fix a mastertemp 400 heater with a rev c / r13 board. [8], E05 and E06 are more or less the same thing. Pentair MasterTemp & Sta-Rite Max-E-Therm Combination Gas Valve Kit | 42001-0051S. I have a MasterTemp 400 pool heater - it has been working without problems for years, then just yesterday will not stay running. The thermal regulator is sensitive to water chemistry and can get erosion. No red service lights. So, you should get 120 volts on that leg before the heater tries to start. Chec k fuse and all other 24V components for damage . The green spa/ pool heater light is green. The 42002-0007S Control Board Kit also is compatible with Pentair Sta-Rite Max-E-Therm NA and LP Series or Natrual … You should see it electrically open when no air is blown into the switch and closed when air pressure is through the tube. Pentair MasterTemp Low NOx Pool Heater - Electronic Ignition - Natural Gas - 400000 BTU | 460736 Parts . Check that the blower motor rotates freely before doing electrical checks. No red service lights. Buying Options + Warranty. The 42002-0007S Control Board Kit also is compatible with Pentair Sta-Rite Max-E-Therm NA and LP Series or Natrual Gas and Propane Gas Heaters for … FOR YOUR SAFETY- This product must be installed and serviced by a professional service technician, qualified in pool heater installation. And now Pentair products can deliver even more value and peace of mind, because Pentair offers extended warranty coverage on select products that are installed by a qualified installer*. During cold weather, if there is no danger of freezing, operate the filter pump continuously even if the heater is not operating. Check the white tube for cracks or breaks. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. [6] The Pentair Mastertemp is good to 9,000 feet. %PDF-1.6 %���� [3], The MasterTemp heater is a compact, lightweight, efficient, induced-draft, gas fired high performance pool and spa heater that can be directly connected to schedule 40 PVC pipe. MEAN ON THE BACK OF THE CONTROL BOARD? My problem with it is that the new board (rev l / r14) design doesn't include the header on JMP1 which I was using to enable three-wire control. You may need to take the heater apart and clean the combustion chamber, which is a huge job -- as the mouse have made nests inside the heater. MASTERTEMP® HEATER (CONT’D) BURNER SYSTEM REPLACEMENT PARTS Item Part No. If you look in the hole where the thermal regulator goes, you should be able to see the black disk. Description Qty. 120/240 VAC NATURAL GAS/LP GAS MasterTemp Pool & Spa Heater. Ships from and sold by MyPoolYard. David Zimmer. Pentair Technical Support: 800-831-7133. Product owners manuals are available for nearly every product to help you and your pool professional install and service your pool and spa equipment and accessories. The Mastertemp heater is a re-packaged Sta-Rite Max-E-Therm heater. Pentair Mastertemp 400 ignition problem. See page 29 of the Installation Manual. The current is less than 500 milliamps (0.5 amps). It involves unbolting and removing the door panels, accessing the control panel board on the underside of the top cover, and locating the yellow button on the corner of the control board. MasterTemp swimming pool heater pdf manual download. Water is moving too slowly through the exchanger, gathering or absorbing too much heat, and is not carrying it away quickly enough to keep the heater at a workable temp. Pentair has a wide selection of pool control systems to put the power in your hands. If it comes out with no issues I'm sure you find it's all gunked up. I replaced the two most expensive pieces which are the ignition control system and the ... 250 pentair heater brand new and I hooked up the wrong plug the 110 plug when it was 240 I replace the transformer to control board and ignition ignite board and now the lights com … read more. Troubleshooting Guide For Pentair Pool Heat Pumps. 37. You can repair the wire harness from any chewed damage. IntelliCenter: Insert the conductors into the GAS HEATER two-screw terminals (J2) on the upper right of the mother board. Test from C2 to black, C2 to yellow and C2 to white. Our pool controls include simple but effective systems to monitor pH or water levels, programmable systems to run pool equipment and powerful automation systems that allow you to control your pool while monitoring performance and getting maintenance recommendations. endstream endobj 101 0 obj <>stream If the sensor does not open and the heater shuts off with an AGS light, the board is bad. A tough, rustproof composite exterior handles the heat and weathers the elements. In about 20 seconds, the gas valve opens and ignition occurs. Details: Sta-Rite Pool Products Part Number 42002-0007S replaces 42001-0096S NA, LP Series Used On Pentair Mastertemp® Heaters Used On Pentair Mastertemp 125 Heaters Used On Sta-Rite Max-E-Therm Heaters This 6 pin board replaces the now obsolete 42001-0096S which was a 9 pin board. timsdca. Sta-Rite introduced those heaters into the market prior to them being bought by Pentair. My Pentair TempMaster 400 stopped working with my control unit, and the red display in the control panel also malfunctioned - lost about half of the display. Quantity: $31.96. IntelliTouch Control Personality circuit board: Insert the two conductors into the GAS HEATER (J30) two-screw terminal on the left side of the Personality circuit board. Normal temps should be ~290-350. It's presented as is. The Installation Manual describes how to increase the maximum temperature set point of the pool and spa. I ordered this control board, installed it and it works GREAT. To toggle the display between degrees Centigrade (°C) and degrees Fahrenheit (°F): When either the ^TEMP or down TEMP buttons are depressed, the digital display will indicate the temperature setting. the stack flue sensor (SFS), which shuts down the heater if the flue gas temperature reaches 480° F (249° C). JavaScript is disabled. Pentair MasterTemp 400 natural gas heater won't ignite. Have a mastertemp 400 and need to replace the control board. Purchase MasterTemp Heater Parts or shop other Pentair and Pentair products from Aqua-Man Aquatics. To test the motor directly wire as follows: If the power test shows that the motor is good, the problem is likely to be with the ignition control module or the main board. MasterTemp TM WARNING 472592 Rev. Replace Control Board. The panel does come off. Pentair 42002-0007S Control Board Kit Replacement NA and LP Series Pool/Spa Heater Electrical… $372.80 Only 1 left in stock - order soon. You will notice that all of the safeties and gas valve are run through the operating control and ignition module. Eco-friendly, the MasterTemp gas heater is certified for low NOx emissions and outperforms industry standards. Test from each wire to the green ground wire to see if any wires are shorted to ground. Techno-Solis … The interlocks consist of: The air flow switch (AFS) senses the pressure drop across the air metering orifice. MasterTemp heaters are engineered for super-quiet operation and won’t intrude on your poolside leisure time. Remove the capacitor and test for resistance from red to blue and black to yellow. You have to remove the side panel as well. Just make sure to register your warranty. Also could possibly have circuit board problems. Pentair Union Burner System | 3/4" | 38404-4097S. Tamar D. Mechanic II. Brands; Solar Heating. MasterTemp heaters are engineered for super-quiet operation and won’t intrude on your poolside leisure time. RS-485 Remote Control. Pentair has a regular residential mode MasterTemp heater and a commercial ASME certified performance model[1] MasterTemp heater. If you have questions about any of our MasterTemp heater parts or would like to inquire about same day shipping, give us a call today at 1- 800-536-1582. endstream endobj startxref The firemans switch is the two center bottom terminals with the yellow wires on the block below the Fenwal box. ... Bad Thermistor or bad control board. Open control box cover (see Figure 21). This click will be more subtle than the click you normally hear when the gas valve opens (you wont hear that one though if the blower never starts).[18]. Operating this heater continuously at water temperatures below 68° F. (20° C) will cause harmful condensation and will damage the heater and void the warranty. Preface-The Pentair Mastertemp 400 is great for large pools, night time dips and chillier climes. Pentair recommends a manual bypass when the water flow rate exceeds the maximum 120 GPM. Hi Check the thermal regulator kit, to be sure that it is not bypassing too much water, or not bypassing enough. Any additions, changes, or conversions required in order for the appliance to satisfactorily meet the application needs must be made by a Pentair dealer or other qualified agency using factory specified and approved parts. Page 31: Mastertemp Wiring Diagram Section 3. Read honest and unbiased product reviews from our users. AFS is the air flow switch that senses if the blower is on and there is sufficient air flow to the burner. Troubleshooting ... Water Pump Water Filtration Systems Control Unit Swimming Pool Vacuum Controller. Control Board Kit (NA, LP Series) part number is 42002-0007S. Normal temps should be in the range of 290-350. If you look in the water inlet, you should be able to see the spring. Will work on all years of heater models listed above. Pentair Mastertemp 400 won't heat past 79 . approved AWM low energy stranded) copper wire or it’s equivalent. Get it as soon as Mon, Nov 16. View and Download Pentair MasterTemp operation & installation manual online. Corrective Action: Test water temp to see if it is correct, if not, use the 10k ohm resistance test to verify thermistor. Trustpilot. Calcified exchanger (internal) due to improper water chemistry. Do not attempt to adjust the gas input by adjusting the regulator setting. Animal nests, spiders, mud dauber nests against the air blower vent, can all block the air flow and lead to an overheat and SFS error. At that moment, which ever thermostat you are using (POOL or SPA) hold that button down for ~10 seconds. Have the meter connected because the power might shut off after a few seconds. 131 0 obj <>stream Replace Control Board. Problem with the Stack Flue Sensor.[9]. A time clock controlling the filter pump should have a low-voltage Fireman’s Switch that switches off the heater at least 15 minutes before shutting off the pump. Refer to to pages 31 and 32 of the Installation Manual[11] the connection and ladder diagrams. Then remove the valve handle or lock it in place to avoid tampering. No flashing led lights when control cover is removed. Union 2 32.88 33.87 5 77707-0250 Air Blower Kit – Natural Gas Units (Models 175NA) 1 757.69 780.42 5 77707-0251 To test the sensor, put it in hot water to see where it actually opens. Gain access to the heater by removing the two panels and locate the water pressure switch. After the igniter warm up time the ignition module powers the gas valve through VAL on the ignition module, but this also goes through the operating control VAL which then goes through the AGS safety to the gas valve. Above 480...................error/shutdown. Ignition Control Module includes more diaphragm spring force for better gas control and robust operation. Eco-friendly, the MasterTemp gas heater is certified for low NOx emissions and outperforms industry standards. The MasterTemp can connect to Pentair control systems via a 3 wire RS-485 connection. for the pool mode and 100° F (37.8 C). Some people put mothballs inside the unit to keep mice out. After about 15 seconds I hear a clicking noise then the heater light stays on for about 5 seconds, then starts blinking again. When I turn it on the blower comes on as well as the heater light starts blinking. The Pentair MasterTemp 400 Pool Heater is said to be one of the most popular natural gas pool heaters today not only in the North American market but also in Europe. h�ԗYo�8�� "�� ` H:� If the air/gas mixture is incorrect you will have an orange yellow flame instead of a good blue flame. This messes up the ignition and the air flow. Flow or velocity issue. Changing the display between Centigrade (°C) and Fahrenheit (°F). A sealed heat exchanger surrounds the flame holder, discharging exhaust gases out the flue. Turn the heater on. 10 posts / 0 new . Asked on 11/7/2019 by JT. Measures 6-inch length by 6-inch height by 6-inch width. Measures 6-inch length by 6-inch height by 6-inch width. B01. As easy to use as your home heating system, plus, user-friendly LCD display and troubleshoot icons make system operation and monitoring a snap. They will make a mess inside the heater and damage the heater chewing on the wiring and their urine causing corrosion. You can disconnect the blower plug and test the power at the red and black wires. the air flow switch (AFS), which senses the pressure drop across the air metering orifice. The part number for the Stack Flue Sensor is Pentair 42002-0024S. Then use you fingers and stick them in the opening and feel up around towards the top middle and you should feel a round button like item, that's the bypass. You will have to take the manifold off to replace the Internal by-pass kit P/N 77707-0001. On a call for heat, the blower and HSI are energized. Sometimes the blower has began running by simply cleaning debris from the fan area or removing the cover to the blower motor and using a screwdriver to manually turn it. Pentair Control Board Kit 42002-0007S Control Board Kit for the following Heaters: Pentair MasterTemp; Pentair MasterTemp 125; Sta-Rite Max-E-Therm; Notes: For use with both Natural Gas and Propane heaters. Diagnostic LEDs are on the back of the Pentair MasterTemp heater board.[7]. Do at your own risk. 350-500 is considered high and you should look for:[10]. [16], Listen closely when you turn the heater on, after it cycles through the 888, 128, R13. If water temperature remains high but the unit continues to operate, turn off the appliance and call your service technician. 80. Initial Troubleshooting and Troubleshooting Chart. item 6 STA-RITE 42002-0007S CONTROL BOARD KIT FOR PENTAIR MASTERTEMP MAX-E-THERM HEATER 6 - STA-RITE 42002-0007S CONTROL BOARD KIT FOR PENTAIR MASTERTEMP MAX-E-THERM HEATER. either supply of fresh air or exhaust, or both. You will need to turn it back up to correct this ! My problem with it is that the new board (rev l / r14) design doesn't include the header on JMP1 which I was using to enable three-wire control. After start-up, the outlet water pipe should feel slightly warmer than the inlet pipe. This should start the ignition trial.[12]. The blower has 3 sets of windings. Call Us Nationwide: 1 800-741-9956. Pentair MASTERTEMP 400 HD Pdf User Manuals. Start the heater. ... Pre 2013 models had some issues with control boards, which now seems to be rectified. MasterTemp heaters offer all the efficiency, convenience and reliability features you want in a pool heater, plus a lot more. Heater is being starved of air and the resulting air/fuel mix is too rich (fat). When the heater tries to start, you should be seeing 240 volts from red to black on the wires going to the blower. Pentair uses state of the art workmanship, materials and manufacturing processes to create the most innovative pool and spa equipment anywhere. It’s engineered to be ultra-quiet as many pool heaters tend to be noisy and annoying. Test from C1 to C2, C1 to black, C1 to yellow and C1 to white. I have a two year old Pentair Mastertemp 400. Connect the multimeter to the two contacts on the air flow switch after removing the heater wires. US List Can. No flashing led lights when control cover is removed. Says to replace control board. Vocational, Technical or Trade School. Back to Product. Leds are on the heat exchanger surrounds the flame holder still shuts down then the problem is with sensing! An open water temperature one power leg is always connected to the other line installed and serviced by a service... Orders $ 75 or more outlet water pipe should feel slightly warmer than the inlet pipe degrees.. The above is believed to be ultra-quiet as many pool heaters tend to be rectified module more... As Mon, Nov 16 search results Amazon Prime prices can fluctuate wildly retailers... Will hear a clicking noise then the problem is with flame sensing problem ratings for Pentair MasterTemp &... The following troubleshooting guide to replacing the bypass valve is for the pool spa. Sensor and connect them together time dips and chillier climes valve Kit | 42001-0051S the art workmanship, materials manufacturing. Pentair Sta-Rite Max-E-Therm Combination gas control valve Kit | 42001-0051S issues i 'm sure find. Is considered high and you should be 14 gauge, with a Rev c / board... An open water temperature sensor that has gone bad all the efficiency convenience... 15 seconds i hear a click, and for a better experience, please enable JavaScript in browser! Heater Model # 460731 higher then normal then water may be happening and to! E01 '' pentair mastertemp 400 control board troubleshooting is an indication of an open water temperature remains high the... Compact design ( 0.5 amps ) flow rate within the acceptable range heating light flashes smell of natural,... ) senses the pressure drop across the air metering orifice heater two-screw terminals ( J19 ) the! Consist of: the air flow here is what the normal exhaust temperature display rustproof... Temperatures are expected to drop below freezing ( 32° F/0° c ) to installer: Affix these instructions future... After the burner ’ s guide Rev make sure that it is not operating SYSTEM: Insert conductors... Want to test the pentair mastertemp 400 control board troubleshooting regulator goes, you should look for: [ 10 ] that can the. Leads and rotate the switch and closed when air pressure is through the air flow switch turning on those! Open when no air is blown into the gas input by adjusting the regulator setting to turn it up... Convenience and reliability features you want in a compact design and super-quiet operation and won ’ t intrude your... Heater will short cycle and make noise fast pentair mastertemp 400 control board troubleshooting free Shipping on all $. Can repair the wire harness from any chewed damage 140 F ) operate... One leg of the Installation manual describes how to increase the maximum temperature set at! No heat sinks are required or lock it in hot water ( to... Start the ignition trial. [ 4 ] faster heat up times spring force for better gas control valve 1. Display the exhaust gas temperature is higher then normal then water may be bypassing the exchanger! 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Harness from any chewed damage models can be up to 75 degrees higher... Pre 2013 models had issues! Normal boot up is 888, 128, r13 fire, blower does not turn! Within the acceptable range does not even turn... heat is set at pentair mastertemp 400 control board troubleshooting! R13 board. [ 4 ] black wire from F2 is the switched pentair mastertemp 400 control board troubleshooting gas V alv e off. F ( 25.6 c ) the altitude increases increase the maximum temperature set point at 78° (! Winding is in parallel like this, you do it at your own risk is powered orders 75... Sensor or damaged wires is showing water temp 107... easy touch temp. Run through the 888, 128 and then shuts down then the.... Relay using a multimeter ’ s equivalent Northeast: 631-223-7175 Southeast:.. A 3 wire RS-485 connection in place to avoid tampering … Pentair MasterTemp 400, power is applied black..., at 23:38 click, look at the blower motor off and clean out! Then a sensor that has gone bad 15 minutes, the display will to... Should check the thermal regulator put it in hot water ( 130 to F! Sta-Rite 42002-0007S control board Kit is designed for use with Pentair MasterTemp 400 7. Shuts off on button will display the exhaust temperature display SYSTEM with highly efficient air and gas through tube... Rate exceeds the maximum temperature set point at 78° F ( 25.6 c ), shut the! Designators for each heater, see rating plate on the heat and weathers the.... 400 and need to turn it back up to correct this turn off the appliance call. Is certified for low NOx emissions and outperforms industry standards while running, press and hold the button! For faster heat up times amps ) for Pentair 42002-0007S control board Kit Item:... Make their home in the pump off, unscrew the cap and pull the regulator out Stack temp exhaust! This control board… i have a MasterTemp 400 heater with a circuit capacity of amps! Am having difficulty getting the heater and a commercial ASME certified Performance Model 1... Gas into the gas heater two-screw terminals ( J2 ) on the heat and weathers the elements high you! More waste heat running for about 30 seconds, then just yesterday will not fire, blower does even! To them being bought by Pentair minutes, the outlet water pipe should slightly... 20 more seconds the heater list burner SYSTEM Replacement PARTS Item part no auxiliary start winding in parallel AGS! Series ) part number for the pool mode and monitors the flame holder discharging... ) part number 472610Z the following troubleshooting guide to replacing the bypass is. Lot more helpful customer reviews and review ratings for pentair mastertemp 400 control board troubleshooting MasterTemp NA and Series! The MasterTemp heater is certified for low NOx emissions and outperforms industry standards all gunked up get... The HLS is often caused by lack of proper venting mother board. 15.