Welcome! Here are the website rules, as well as some tips for using this forum.
Need to contact us? Visit https://heatinghelp.com/contact-us/.
Click here to Find a Contractor in your area.

pressuretrol on burnham V9a

Options
lilzane
lilzane Member Posts: 2
in Thermostats and Controls
hello my Burnham v9a has two pressuretrol boxes on it, would like to know where setttings should be. pressuretrol on left has diff @ 2.5psi and main @ 5psi. right pressuretrol only has main which is set @ 7psi

Comments

  • Jamie Hall
    Jamie Hall Member Posts: 23,324
    Options
    Try...

    changing the left one to a differential of 1 psi and a cutin of 0.5 psi if it is additive, or a cutout of 1.5 psi if it is subtractive.  Leave the other one at 7.
    Br. Jamie, osb
    Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England
This discussion has been closed.

Categories