Water Heater Pressure Switch Failed Open

Water heaters ao smith water heater pressure circuit switch remaining open my husband and i got an ao smith 50 gal model gpvh 50 100 water heater installed a little over a year ago and have had.

Water heater pressure switch failed open. All of the information for this pressure switch replacement video is applicable to the following brands. Use an ohmmeter to check if the pressure switch is opening or closing properly when heat is called for. Next take off one of the power hoses and blow on it. Step 2 inspect the pressure switch.

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. Do not replace it if the closed switch contacts got open during the operation first check the pipe length and look for possible obstructions. 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. 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.

Ao smith tools used. John wood gas water heater started but soon as main gas kicked in it runs for few seconds and stops using honeywell wv4464b1037 controller. Ao water heater model gs650yrvit showing code for pressure switch failed open. Now use the ohmmeter to check whether the pressure switch is functioning properly.

The most common reasons for replacing the pressure switch are when the water heater won t light or won t heat. We have a 40 gallon hot water tank model gpvt 40 200. Problems with new water heater. This video provides step by step repair instructions for replacing the pressure switch on an ao smith gas water heater.

Unit has been installed for 19 months no problems. Inch socket needle nose pliers. First turn the power of the furnace off.