Water Heater Pressure Switch Failed Open

Ao smith tools used.

Water heater pressure switch failed open.

John wood gas water heater started but soon as main gas kicked in it runs for few seconds and stops using honeywell wv4464b1037 controller. Do not replace it if the closed switch contacts got open during the operation first check the pipe length and look for possible obstructions. We have a 40 gallon hot water tank model gpvt 40 200. The most common reasons for replacing the pressure switch are when the water heater won t light or won t heat.

Question regarding our 1 5 year old 50 gallon ao smith hot water heater the honeywell igniter starts for a few seconds then flashes 3 times tco or pressure switch failed open i had an ao smith certi read more. Next take off one of the power hoses and blow on it. This video provides step by step repair instructions for replacing the pressure switch on an ao smith gas water heater. The most common reasons for replacing.

I recently moved into a newly built home and we ve been running into some issues with the hot water and a few other things. Unit has been installed for 19 months no problems. Use an ohmmeter to check if the pressure switch is opening or closing properly when heat is called for. If the pressure reading reaches the activation pressure or is higher but the switch contacts did not close the switch is defective and must be replaced.

First turn the power of the furnace off. Pressure switch failed open. Ao water heater model gs650yrvit showing code for pressure switch failed open. Step 2 inspect the pressure switch.

Inch socket needle nose pliers. Problems with new water heater. Now use the ohmmeter to check whether the pressure switch is functioning properly.