Pressure switch settings

drhvac · October 2016

Where could I find charts on pressure switches? When you have a pressure switch fault, how are you suppose to determine if the problem is with the furnace or pressure switch if the pressure switch manufacturer doesn't put the design cut out pressure on the switch? Burns me up when this happens. I see this with Honeywell, Tridelta, and some other manufacturers. What does it take for these f...... manufacturers to stamp the pressure on it??

Abracadabra · October 2016

Use a manometer to check actual pressure and compare to the pressure switch specs. Usually there's something else going on, and the pressure switch is not at fault. I've often been able to find pressure specs by contacting tech support if they are not listed for the model. Which furnace or pressure switch are you looking at?

Paul S_3 · October 2016

X2 what @Abracadabra said..... also Fieldpiece makes a manometer and pressure switch tester....good tool to have...http://www.fieldpiece.com/products/detail/sdmn6-dual-port-manometer-and-pressure-switch-tester/pressure-switch-testing/

drhvac · October 2016

I have a manometer and use it on every job. If you don't know what the switch is set to open up at, it makes it more difficult to troubleshoot. That all I'm saying.

lchmb · October 2016

I find most online..... love having a computer in my truck...

Tim McElwain · October 2016

If it is not in the I and O Manual then contact the manufacturer.

Pressure switch settings

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