Gas Hot Water Heater Thermocouple Replacement

Spare pilot water heater replacement thermocouple for old water heaters with foot indicators it is very simple to disassemble and replace the thermocouple.

Gas hot water heater thermocouple replacement.

By james carey morris carey. Type k chromel alumel are the most widely used general purpose thermocouple 200 c to 1350 c 330 f to 2460 f. Building mechanical systems oil gas heating water heaters gas burner flame safety water mild chemicals gases dry areas engines hospitals food industry. In simple terms it s a short piece of tubing that runs from the gas controller to the pilot.

The thermocouple is a thermoelectric device that shuts off the gas if the pilot light goes out. The thermocouple is a special sensing tube on gas water heaters that senses when the pilot light has flame and shuts off the gas to the unit when the pilot has been extinguished. Learn how to replace this inexpensive part and keep your hot water heater working for years to come. The thermocouple and pilot light tubes both extend from the gas control valve to the burning compartment.

The gas water heater thermocouple is the safety element that is designed to inform a gas control valve is the pilot flame on or off and open or close the gas to the main burner. Step 8 reattach the manifold tube pilot tube and thermocouple to the gas control valve thermostat and tighten them using the adjustable wrench. Remove the burner assembly and detach the thermocouple. Thermocouple repair replacement.

A thermocouple or flame sensor is a device used to control gas flow in gas water heaters on older style heaters with standing pilot lights the device is typically called a thermocouple while on newer units with electronic ignition the same or virtually the same device is called a flame sensor for our purposes we ll refer to both devices as the thermocouple. Example tank is a bradford white. How to replace a thermocouple on a water heater. Mi403s8fbnh amazon links 24 honeywell thermocouple https gen.

If you have a gas water heater with a pilot light that won t stay lit it s probably due to a failed thermocouple. A hot water heater that doesn t heat might just need a new thermocouple. The thermocouple is part of the pilot assembly where one end is always in contact with the pilot flame while the other side is connected to the gas control valve.