pressuretrol problem?

Steven_2

You were absolutely correct. Thank you. The pig tail was completely obstructed. Not even a breeze of air would pass when using compressed air on one end. It took about an hour of coat hanger work, hammer and propane torch to clear it out. I do not understand how the system could have been woring at all. Many thanks again,

Steven

Steven_2

pressuretrol problem?

My oil burner does not repond for a call for heat unless I raise the cut-in setting to above 1 psi (it is set at 0.5 psi) or raise the differential from 1 (where it is now set) to 5. Once the burner kicks on, I then readjust either setting back to baseline (the burner keeps running). Does this mean tht the pressuretrol needs replacing or could it be telling me something. (its a one pipe steam system if that is relevant)

Thanks much for any info

Al Letellier

pressuretrol problem

Check the pigtail pipe under the pressuretrol. Sounds like it's plugged. It will let pressure build and trip the switch but acts like a check valve and won't let the pressure back out. Pull it apart and clean it. If it's steel pipe, replace it with a brass one....

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