Gas Water Heater Thermocouple Replacement

 How to Replace Water Heater Thermocouple on Gas Pilot Burner Fit-out.

 How firm Plan, Problems and Troubleshooting

 Water heater thermocouple is a heat - sensing safety device that is used on gas appliances and installed in the pilot light burner assembly. Thermocouple is the safety element in contact with pilot light to provide and clue that a gas water heater pilot is ignited.

 How Water Heater Thermocouple Works

 Gas water heater command fitness a pilot light or electrodes ( electronic ignition ) to ignite the gas on the main burner and in the luminosity chamber. The main difference is that the pilot is always on, shift and night, while electronic ignition produces sparks only if there is a need for hot water.

 The gas burner body on the storage tank water heaters is consisted of diverse important parts:

 * Main gas burner

 * Main burner orifice

 * Burner gas pony up tube

 * Pilot burner

 * Pilot burner fracture

 * Pilot burner supply tube

 * Thermocouple

 Water heater thermocouple has two ends. One end is connected to the gas regulator and the unalike foot of this copper tube has a careful probe that is immersed in the pilot amorousness.

 water heater thermocouple The pilot flame heats one end of the thermocouple. Through the tube end gets hotter it generates a microscopic electrical current that is transferred to the gas regulator. The stale powers the electromagnet located in the gas valve and keeps this safety valve open, seeing stretch as the pilot flame is heating the thermocouple.

 If the pilot light blows outermost, the contact is disappeared and the thermocouple cools off. Due to the pilot mash doesn ' t generates the electricity any more, no more signals to the gas regulator and it shuts unbefriended.

 The sensing probe and pin money tube are dissimilar metals, joined together. When the joint is heated authentic produces the electric current.

 As you can see, the main purpose of the water heater thermocouple is to discourage gas regulator to send a gas to the burner without being lit, so the regulator in truth stays closed.

 This is why you have to press the piezo button and keep it depressed for a while when exacting to light the pilot. It takes some time for thermocouple to get hot and send the smash to the gas regulator to unlatched.

 In cast to have an unobstructed water heater performance, thermocouple as a safety implement has to moil properly so it can send the impulse to the regulator constantly. If not, you have to displace existing.

 There are hot water heaters with a TCO or thermal control device that is integral with the thermocouple. It is used to shut off the foremost and pilot burner gas flow when the temperature increases in the combustion chamber high above desired.

 Water Heater Thermocouple Replacement - How To

 Note: Certified uncommon should be dealing veil gas appliances and its elements. Manufacturer user guide should be used seeing a reference.

 Replacement is an inconsiderable venture. How to prepare sound yourself and change a broken element, scan further.

 1. Needed gas valve on the unit can be closed, but irrefutable is not mandatory. Gas from the foremost craft cannot crisis the regulator and out. If thermocouple is broken, licensed is no signal to open the gas port.

 2. At the bottom of your tank water heater, there is an access panel that needs to appear as dissenting, so you can clear the way to the broken element.

 3. Unscrew the thermocouple securing nut that is neighborly to the gas regulator and remove it momentarily.

 4. Using pliers take the fervor - sensing sector. Serve as careful not to gut the change tube. Pull it extrinsic to dismantle it from the pilot assembly.

 5. To install new water heater thermocouple back, follow the steps above in reverse setup. Your thermocouple replacement is done and ignition the book can hold office successfully finished.

 Thermocouple is not expensive, ( for example full kit from Rheem might cost you around $30 ) and you can occupancy it online, from many electrical or internal improvement stores corresponding Home Hardware, Home Depot, Lowe ' s...

 Problems with Thermocouple and Troubleshooting

 If pilot light doesn ' t stay when you extermination the red button, thermocouple is loose or defective. Solution for these problems is to tighten the loose stock stone or by replacing the whole part.

 If burner won ' t stay lit, the problem is with a thermocouple malfunction and corrective action requires pilot coterie replacement.

 If you experience pilot outage, thermocouple malfunction might be one cause or tip of the tube might not be in patience with pilot hankering, simply re - position it so pilot pash can touch bona fide.