How do I test a thermal cutoff switch? In this episode of Repair and Replace, Vance shows how to replace a thermal cutoff switch in a standing pilot water heater. As well you'll see how to test a thermal cutoff switch for continuity. The thermal cutoff switch (TCO) protects water heaters from overheating. If the switch is tripped or it if is faulty then it will prevent the pilot flame from staying lit.
Buy water heater repair parts online: https://www.amresupply.com/catalog/Hot-Water-Tank-Parts-647736
Troubleshooting - Pilot Won't Stay Lit? (Conventional Gas Valve) https://youtu.be/Lu5GvbvspMw
Thermocouple - Voltage Test & Replacement (Conventional Gas Valve) https://youtu.be/Mx6rZA9Yxv4
Troubleshooting - Pilot Won't Stay Lit? (Electronic Gas Valve) https://youtu.be/UXpmmGuewk8
Thermopile - Voltage Test & Replacement (Electronic Gas Valve) https://youtu.be/Yx2gfgJB7bI
Water Heater Troubleshooting and Repair Guides https://www.youtube.com/playlist?list=PLCo9SMjkdWBwJ4a8MT2GKTDiSuvSHg6Xk
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00:00 Intro
00:33 How it Works
01:42 What You'll Need
02:03 Disconnect the Water Heater
02:28 Continuity Test
03:32 Replace the Switch
04:02 Turn on the Water Heater
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