Water Heater Pressure Switch Problem

Pressure switch remained open longer than 5 seconds after the combustion blower started up.

Water heater pressure switch problem. Reconnect or replace pressure sensing tubing. This video provides step by step repair instructions for replacing the pressure switch on an ao smith gas water heater. If the lo code still pops up after cleaning the filter refer to the below troubleshooting info. 4 8 out of 5 stars 256.

While you are inspecting the control board also check for faulty wiring. Check to see if the pressure switch wiring is correct and secure. It is also possible for the switch to get jammed because the switch itself is faulty. Part of the series.

Pressure switch remained closed longer than 5 seconds after heat was requested. How to fix no water pressure from a hot water heater. Rv water heater thermal cut off switch kit replace for atwood 93866 work for the electronic water heater models gch6 4e gch6 6e g6a 7e g6a 8e gc6aa 9e gch10a 2e g610 3e gh610 3e xt series. Air pressure switch not closing due to defective switch.

Fixing no water pressure from a hot water heater will require you to first check your shut off valve. This could be as simple as your filter was dirty which constricted flow to the heater or you would have to troubleshoot the various switches. The most common reasons for replacing. If it does not a problem exists at the water heater tank itself or in the lines that distribute.

Replace defective pressure switch. Water leaving the hot water heater should flow at the same pressure as the cold water in your home. Step 2 inspect the pressure. Check the switch for any kind of a mechanical jam.

The switch is connected to hoses and the water in these can sometimes cause a little bit of a problem. Disconnected torn or blocked pressure sensing tubing from air pressure switch to blower housing.