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Experiencing a Pentair MasterTemp 400 ignition lockout can be frustrating. Your pool heater's refusal to start is often a sign of this all-too-common issue. But don't worry, you're about to learn how to troubleshoot and resolve it. Understanding the causes of an ignition lockout is crucial for a quick fix. We'll guide you through the potential reasons your heater is acting up and provide step-by-Today I noticed the heater had thrown an E01 code. The control board only has LED11 (Service Heater) and LED7 (Not sure what this is, it's right in the corner). I had varying degrees of getting it to come on. It would come on and fire for a second then throw the code, then it would just throw the code almost immediately and wouldn't even try to ...Swimables 42002-0029Z / 472610Z Membrane Pad Replacement for All Pentair Mastertemp and Starite Pool Heater - Designed to be plugged into Pentair Mastertemp 400 Control Board dummy Funmit 42002-0024S Stack Flue Sensor 42001-0063S High Limit Switch and 42001-0053S Heater Thermistor Spa Hearters Replacement for Pentair• the automatic gas shutoff (AGS) switch, which opens if the heat exchanger outlet temperature goes above 140° F (60° C). • the stack flue sensor (SFS), which shuts down the heater if the flue gas temperature reaches 500° F (260° C). The air flow switch (AFS) senses the pressure drop across the air metering orifice. As soon as there is ...Description. Thermistor or Temperature Sensor for Pentair Mastertemp, Waterco Turbotemp, Sta-Rite Max-E-Therm Gas Pool & Spa Heaters - 200 / 300 / 400 HD models. Commonly corrode, damaging the sensor and causing an E05 fault, or incorrect temperature. Number 7. in the Diagram. New version is fully stainless steel instead of …Pool heater failing to ignite gas. Easy troubleshooting and repair.Swimables Air Flow Switch Compatible with Pentair Pool Heater Parts 42001-0061S - Compatible with Pentair Mastertemp and Starite Max E Therm Pool and Spa Water Heater dummy Swimables Control Board Kit Compatible with Mastertemp & Max-E-Therm Pentair Pool and Spa Heater 42002-0007s- Compatible with All NA and LP Series Pool/Spa …Pentair MasterTemp HD Low NOx Pool Heater - Electronic Ignition - Cupro Nickel - Natural Gas - 250,000 BTU HD - 460806 . Call (888) 836-6025 or contact us for pricing and to purchase. Ultra-High Performance in a Compact, Quiet & Eco-Friendly Design . MasterTemp Heaters offer all the efficiency, convenience and reliability features you …Pentair 175K BTU/HR Installation And User Manual (55 pages) Mastertemp. Putting the Heater into Service Gas Connections Initial Troubleshooting and Troubleshooting Chart. Manual is suitable for 6 more products: MASTERTEMP 400 K BTU/HR MASTERTEMP 175K BTU/HR MASTERTEMP 200K BTU/HR MASTERTEMP 250K BTU/HR MASTERTEMP 300K BTU/HR 400 K BTU/HR.Pentair MASTERTEMP 400 HD Pdf User Manuals. View online or download Pentair MASTERTEMP 400 HD Brochure. Sign In Upload. Manuals; Brands; Pentair Manuals; ... Safety Controls: Air Flow Switch (AFS) / Water Pressure Switch / Height Limit Devices. 13. High Limits. 13. Operation of Ignition Module. 14.This is a Pentair Air Flow Switch for the Max-E-Therm and MasterTemp Heater Electrical Systems. Product Features. Genuine Pentair replacement switch. Related Part Schematics. Pentair MasterTemp 125 Heater Electrical System Parts (15 parts) Pentair Mastertemp Heater Electrical Parts (16 parts)Buy MasterTemp 250 parts, MasterTemp 400 parts and other Pentair parts online at Parts4Heating. Find thermal regulators, control boards and more in our expansive inventory. ... Pentair 42001-0061S Air Flow Switch. $155.02. Pentair 42002-0024S Stack Flue SVC Kit . Pentair. Pentair 42002-0024S Stack Flue SVC Kit. $138.74.41 42001-0063S High Limit Switch 42 U178-920P Drain Plug 43 476002 Manifold 44 476003 Manifold-Enclosure Fasteners 45 476004 Hold Down Bracket Kit 46 476040 Propane Gas Orifice Kit Replacement parts pricing on page 635. Product on page 91. ETI 400™ HEATER REPLACEMENT PARTS 420 HEATER PARTSPentair - Water Pressure Switch for MasterTemp. Item No. 604299 | Manufacturer SKU: 42001-0060S. $109.99. Buy in monthly payments with Affirm on orders over $50. Learn more.Pentair | 42001-0061S | Air Flow Switch for Sta-Rite Max-E-Therm and MasterTemp Heaters ... Pentair | 42001-0063S | High Limit Switch NAT or LPG for 200-400 BTU Max-E-Therm and MasterTemp ... Added to Cart. Go to Cart. Pentair | 42002-0025S | 140 deg Tapered Gas Shut-Off Switch for Max-E-Therm and MasterTemp Heaters . SKU#: 42002-0025S. $44.99 ...I bought my house this past summer and has a pool equipped with a Pentair heater Mastertemp 400 p/n 460736. Recently the heater is turning on by itself and shows code 328 on the display. Can you tell …A fully pre-mixed system with a highly efficient air and gas mixture lets MasterTemp heat up fast. No long waits before enjoying your pool or spa. ... Flow Rate : 120 gpm : Brand: Pentair. REVIEWS Q&A PARTS | ))))) ... Pentair MasterTemp Low NOx Pool Heater - Electronic Ignition - Natural Gas - 400000 BTU | EC-462028.Kill switches ensure your data never leaks out, even if your VPN stops working—but how necessary are they? In the last few years, VPNs have gone from a niche data security tool to ...

PentairThis is a Pentair Air Flow Switch for the Max-E-Therm and MasterTemp Heater Electrical Systems. Product Features. Genuine Pentair replacement switch. Related Part Schematics. Pentair MasterTemp 125 Heater Electrical System Parts (15 parts) Pentair Mastertemp Heater Electrical Parts (16 parts)This is a Pentair 32850-0099 Fireman's Switch Fuse (1.25 amps) for Max-E-Therm and MasterTemp Pool Heaters' Electrical Systems. The length is 1-1/4 inches. ... UltraTemp ETi 400 Vent Socket. Allow 1-2 Months to Ship $96.64 UltraTemp ETi 400 Exhaust Assembly.These are replacement parts for the Pentair ETI 400 System. These Pentair heater parts can be found on this ETI 400 System parts schematic breakdown. ... MasterTemp Water Pressure Switch - 42001-0060S. 102 in stock. $96.32 More Info. ... 4 UltraTemp ETi 400 Air Pressure Switch. Allow 1-2 Months to Ship. Item #: 475987. $95.18 More Info. 1 ...Pentair, 200-400 BTU Max-E-Therm & MasterTemp, Water Pressure Switch, 42001-0060S Toggle Nav. My Cart. Search. Search: Track Order ... If the water flow is restricted, the water pressure switch may prevent the burner from firing and cause the "Service System" light to go on. If the light remains on after the filter has been serviced, have a ...

Be sure the 42001-0061S Pentair Air Flow Switch fits your existing heater, and with a quick replacement, your heater will be running again just as expected. Used with: Pentair MasterTemp 125 Above Ground Heaters, Natural Gas - 125NA (461058, 461059) Pentair MasterTemp 125 Above Ground Heaters, Propane - 125LP (461060, 461061)Pentair Master Temp 400. No service system or service heater lights. No codes lit on back of the board. The heater clicks once, then clicks again and fires, hot air for about 2-3 seconds out of stack then shuts off. Attempts to fire again. Same thing. Water flow is fine. Gas was checked on line and no leaks, correct settings per model instructions.…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. Touchpad, Pentair MasterTemp. Daddybug, Inc. does not represent. Possible cause: Air Flow Switch, Pentair Max-E-Therm/MasterTemp California Residents WARNING:.