Why Won't My Water Heater Light? - Magnificent Plumbing
When the pilot light remains lit, the thermocouple stays hot, and the pilot gas valve is held open. If the pilot light goes out, the thermocouple temperature falls, causing the voltage across the thermocouple to drop and the valve to close. However, if the thermocouple is faulty, the gas valve will not open, which can prevent the pilot light ...
DA: 71 PA: 73 MOZ Rank: 64