Gas Hot Water Heater Thermocouple Replacement

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.

Gas hot water heater thermocouple replacement.

Building mechanical systems oil gas heating water heaters gas burner flame safety water mild chemicals gases dry areas engines hospitals food industry. A hot water heater that doesn t heat might just need a new thermocouple. Type k chromel alumel are the most widely used general purpose thermocouple 200 c to 1350 c 330 f to 2460 f. How to replace a thermocouple on a water heater.

The thermocouple is a thermoelectric device that shuts off the gas if the pilot light goes out. 1 cause of pilot lights that won t stay lit is a worn out. Spare pilot water heater replacement thermocouple for old water heaters with foot indicators it is very simple to disassemble and replace the thermocouple. The thermocouple and pilot light tubes both extend from the gas control valve to the burning compartment.

Replace the two piece wire connector onto the thermocouple and igniter wire securing it with the retainer clip and slide the manifold burner assembly back into the water heater. Example tank is a bradford white. 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.

Mi403s8fbnh amazon links 24 honeywell thermocouple https gen. In simple terms it s a short piece of tubing that runs from the gas controller to the pilot. By james carey morris carey. 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.

Once the pilot feed pipes burner feed pipes and thermocouple are disconnected from the gas control valve simply lift the burner assembly from the bottom of the water heater and remove it. 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. If you have a gas water heater with a pilot light that won t stay lit it s probably due to a failed thermocouple.