Rheem Water Heater Pressure Switch Stuck Open

The pressure switch on a furnace may fail or get stuck in an open position and there are few simple checks you can complete before testing the switch.

Rheem water heater pressure switch stuck open.

The switch activates with air force pushing a plunger in the mechanism which closes the circuit. This video provides step by step instructions for replacing the pressure switch on rheem furnaces. If your lennox does not activate normally during the ignition sequence try running a quick bypass of the pressure switch to determine if it is the. The pressure switch on a lennox g16 gas furnace monitors whether the air blower is in operation.

Be sure to browse our impressive line of sustainable high efficiency tankless water heaters gas tank water heaters and the most efficient water heater. This is fixed in my prior video. A pressure switch is designed to sense the negative pressure created by the draft inducer motor during the furnace startup and to shut down the furnace ignition if the air pressure is inadequate. Came home to no heat.

Also noticed the control board was blinking red. Whether you need high water delivery or low energy costs or both we have your next water heater.