Thermopile Replacement on a Water Heater

How to replace a thermopile on a water heater. Since almost all major brands of atmospherically vented water heaters have switched from a thermocouple to a thermopile system, here's a step-by-step tutorial on replacing your thermopile.

Example tank is a John Wood 40 gallon: Model AV40N
Same tank as A.O. Smith 40 gallon: Model GCRL 40

Many other models from A.O. Smith, John Wood, GSW, Whirlpool, State, Kenmore, Reliance, and Bradford White use the same pilot assembly and procedure.

How to Test a Thermopile's Voltage
Click Here: https://youtu.be/mtbn3FtMqCM

𝗔𝗺𝗮𝘇𝗼𝗻 𝗔𝗳𝗳𝗶𝗹𝗶𝗮𝘁𝗲 𝗟𝗶𝗻𝗸𝘀
Thermopile Assembly 100112330: https://geni.us/3cNfKAQ
Thermopile 100112328: https://geni.us/Pv4ww

Please check to see if the above part numbers work with your water heater before ordering. Visit your water heater's website to verify or cross-reference.

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