Water Heater Blower Pressure Switch
12b max amb 40 deg.
Water heater blower pressure switch. Jakel incorporated model 110519 00 120v. Testing an air pressure switch on ao smith water heaters. Defective pressure sensor switch most common the purpose of the pressure switch is to ensure that water is flowing through the unit before it allows the heater to turn on. If everything is ok the switch must close and remain closed during.
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. Disconnect the wires to the switch and perform the test while a blower is running. The pool pump must be on and your filter clean for the switch to close and allow voltage to pass through. 60hz 1 43a 3000 rpm thermally protected class b ins.
This water heater at the olive garden in columbus ga shut down because the warning signal came on sayin the blower prover switch remains open after the bl. Also fits pentair powermax commercial heaters and minimax commercial heater with csd 1 controls and minimax commercial low nox pool. Now you should perform the test when the unit is on the electric blower is running and the air pressure is applied to the switch. Test the voltage reading on the pressure switch with a multimeter.
Celsius thermally protected insulation system motor. 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. 1 blower pvg 50t60 6910775 1 blower pdvg 40t42 50t42 6910772 1 blower pdvg 50t60 6910773 2 inlet pressure switch pdvg 40t42 50t42 3210545 3 outlet pressure switch pdvg 40t42 50t42 3210546 2 3 inlet outlet pressure switch pdvg 50t60 3210601 3 outlet pressure switch pvg 40t42 3210583.