katmar, thanks for the input. My issue may be that i dont have 4.5ft between bottom of P-trap and top of header. If I reduced the vacuum set point to the lower limit of 1/4" mercury/.28 ft (or somewhere closer to the actual height) it should help. Doing this would just introduce air into the...
Hello.
I am working on an open loop cooling water system. The system has an open to atmosphere holding tank with pumps. On the return side just before the atmospheric holding tank I have an inverted P-trap and vacuum breaker to prevent the system from siphoning back when the system is turned...
MJCronin,
Thanks for the link to that website. I used that website several years back, but wasn't able to find it this time when I went looking for it.