- Joined
- Dec 3, 2002
- Location
- Philippines
I just discovered today that my pumps don't work when on UPS. Apparently the pumps don't work on the modified square wave output of the UPS 
-
Welcome to Overclockers Forums! Join us to reply in threads, receive reduced ads, and to customize your site experience!
AC pumps and UPSes...
- Thread starter RonnieG
- Start date
- Joined
- Nov 1, 2001
- Location
- New Iberia, LA
That's strange. My Eheim 1250 has been running off a UPS for years and years with no problems.
![[H]pututu](/forums/data/avatars/s/241/241673.jpg?1704411343){kind=avatar}