Originally Posted by
Joehvac25
Look in an install manual, the last few I did say right in them the pressure to test at which is 300ish, it's been awhile lol. so the Benefit is your doing it right and you can sleep at night.
I believe tranes hyperion air handlers say 150 psi so don't use there documents haha. but I believe either Mitsubishi or fujitsus manual says a minimum of 200 psi. you always can ask the famous rundawg for some document I haven't seen anything he didn't have or couldnt find!
"only 2 tools any man needs is wd40 and duct tape. if it moves and it shouldn't use the duct tape. if it doesn't move and should, use the wd40" -unknown