Questions & Answers for: Grundfos lost speed

...lost middle speed I have a Wilo 3 speed recirculation pump for a heating system. The middle speed has quit. Wondering if it's just a simple fix, change a capacitor or something, or replace the pump. ...

...closed the valve on the pressure side but is still runs. On a previous post I was told it "may have lost its prime". The pump is working fine it just wont shut off! How do I re prime it? Or if there ...

...lost its prime''. The pump is working fineit just wont shut off! How do I re prime it? Or if there is any otherideas as to why it does not turn off. Thanks Close the outlet valve then turn electrical ...

we have a robbens underfloor heating system with a heatrae electric boiler on a floating floor system. The underflooe heating manifold has a grundfos Alpha + pump. What setting should this be at? ...

I have agudfos pump for my central heating, I know nothing about it but only two radiaotors are coming on, one upstairs bedroom and the tuitlity room. Any suggestions please? Where should the little ...

timer gets off by hours I have circulation system on my water heater. First system gave out. When taken apart, it was clogged with sediment and couldn't be cleaned. Put sediment filter on line, and ...

How to program timer? Diagram showing timer tabs being pushed in or out to set programs: http://waterheatertimer.org/Water-heater-recirculation-system.html#Grundfos Grundfos illustrated installation ...

...had plumber around yesterday, he bled it, it seemed good for 10 seconds after he left and then it lost pressure again. Cheers Scotty. check th edischarge side of the pump for a leak down stream ...

Failure light on http://waterheatertimer.org/Water-heater-recirculation-system.html which product gene

i do not have water is it the grundfos? Probably not the pump if you have no water at all. If you have no hot water, the problem is probably water heater. If you have no instant hot at faucet, then ...