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Mastertemp 400 with no fan spin up....or backwards spin up. I've read through a few of the other threads on here regarding the same issue: Service heater light and a humming fan motor. If I give the motor a spin in the correct direction, it will spin up and heater fires normall. I'm pretty...

Hello TFPers. I'm interested in adding a 3/4" motorized ball valve (24vdc) to be controlled by one of my spar aux's (that I don't use) on my Jandy RS8 for my pool fill. Currently no using Aux 5, 6, 7. Not looking for automation on the pool fill, but rather just a way to fill my pool on a...

Even though this thread is from 2 years ago(sorry for the necropost!), I wanted to just say that the banter here in this thread helped me 100% with my issue. My installer(from 6 years ago) never set up "spill-over" mode and I had the same issue as @jobybett above. So based off the info here...

Hello TFP experts. I have Mastertemp 400 that's about 5 years old. I have attempted a a deep dive search here and found a few threads that very similar. MasterTemp 400 Heater won't stay running, but it was never confirmed if a new control board solved the problem? Mastertemp 400 - Burner...

Hello Pool Peeps! Ok so, my Pentair MiniMax NT 400 is officially dead. Especially after I tried to fix it lol....wouldn't light anymore, and now the control board has no power at all :-) Anyhow, after reading(here and other places) how crappy this heater really is, I do believe I'm in the...

I have a pebble tech based pool with a raised spa to the side that waterfalls back into the pool i.e. while the pump/filter is running, the spa is designed to overflow like a small waterfall into the pool. The problem: I notice that every morning (the pump runs 9am through 4pm), our spa level...

Hello peeps! Me from Socal :)