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I have a UPS 15-55 SFC running in a residential hot water circulation system. The plumbing was drained for work and then refilled. When turning on the pump, three days after refill and air purge from the faucets, the grundfos seemed to work - I could hear water gurgling through and then (I...

I talked to a PEX manufacturer and was informed that you cannot bend PEX sticks. Only PEX that comes in a roll. Does this sound right? The PEX in question is produced with the PEX-B manufacturing process (it has higher chlorine withstand).

Does anyone have any experience with electrically actuated water valves used in a residential setting? I have seen some automated shut-off valves to prevent flooding. I know irrigation systems use such valves. I know some people are getting into automating homes and maybe there are some...