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Water heater pressure switch problem.
Air pressure switch not closing due to defective switch.
Pressure switch remained closed longer than 5 seconds after heat was requested.
This video provides step by step repair instructions for replacing the pressure switch on an ao smith gas water heater.
It is also possible for the switch to get jammed because the switch itself is faulty.
Disconnected torn or blocked pressure sensing tubing from air pressure switch to blower housing.
Part of the series.
How to fix no water pressure from a hot water heater.
The switch is connected to hoses and the water in these can sometimes cause a little bit of a problem.
If the wiring is correct than you should replace the pressure switch.
The most common reasons for replacing.
Lo water pressure switch vent pressure switch or temperature limit switch fault.
Check the switch for any kind of a mechanical jam.
High limit switch open due to excessive vent temperature or defective switch.
Reconnect or replace pressure sensing tubing.
Fixing no water pressure from a hot water heater will require you to first check your shut off valve.
Replace defective pressure switch.
If the lo code still pops up after cleaning the filter refer to the below troubleshooting info.
Step 2 inspect the pressure.
Check to see if the pressure switch wiring is correct and secure.
Water leaving the hot water heater should flow at the same pressure as the cold water in your home.
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.
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.