Water Heater Pilot Light Won T Stay On

6 reasons why a water heater pilot light won t stay lit 1.

Water heater pilot light won t stay on. A faulty main control can be the reason why the pilot light won t stay on. This can happen with age. As a result the pilot doesn t get enough fuel to stay lit. Obstructed thermocouple most water heaters operate with a thermocouple.

If you re unsure use your multimeter to check the controls. When the water heater pilot light goes out first try relighting it following the directions on the water heater label. If your pilot light won t stay lit this can be for a few different reasons. This is also a likely cause if the pilot won t ignite at all.

The thermocouple the gas pressure or the light itself. A pilot light in a hot water tank is what allows your water tank to heat up. You ll get your hot water going without waiting for a pro to show up and save the cost of a service call for a gas. This device is central to the operation and.

You can usually replace a thermocouple for minimal cost and in less than an hour. If your pilot doesn t re light won t stay lit or keeps going out after a short time you most likely have an issue with the hot water heater thermocouple. This is another issue that occurs less frequently so you must eliminate other possibilities before assuming the fault is from the main control. This can happen with age.

If the pilot doesn t relight if it goes out right after lighting or if the pilot light keeps going out by far the most common cause is a bad thermocouple. Dirt and debris can collect in the pilot tube causing the flow of gas to be blocked.