Questions & Answers for: grundfos comfort valve problems

...that the valve has failed? The part number on the valve is 91122852; is the Grundfos Comfort Series Replacement Valve (595926) the proper replacement valve? Thanks, John Yes, you need to replace

now I have to wait for cold water at my taps Yep! That is the problem with this type system! To fix the problem run a third pipe from where the pump is back to tee into the cold input of the HW tank. ...

comfort valve was staying open when the system wasn't scheduled to run. Getting cold water was near impossible so we called the support number and was told the valve is designed to stay open until hot

My 6-year-old Grundfos hot water recirculator doesn't seem to be working at all. Explain your problem, its likely time to replace

...Grundfos Comfort Series Undersink Valve that causes it to lock in the open position?. One of my valves has done this causing the cold water faucett to run very hot. Ironically, it is on the side of ...

Grundfos recirculating system. Never has produced semi instant hot water at sink it is installed on. Could the original comfort valve be defective ...

...grundfos comfort hot wter recirc system and is getting a chatter or water hammer noise at night after the toilet is flushed.he tells me it sounds like it's coming from under the counter where he has ...

no cold water http://waterheatertimer.org/Water-heater-recirculation-system.html http://waterheatertimer.org/Crossover.html troubleshoot resources turn timer off and see if problem continues replace ...

...Grundfos UP10-16 B5/ATLC 1/33 Horsepower UP10 Comfort Series Recirculating Pump is not working properly, hot water takes a long time to reach the faucet. Is this due to air in the lines? If so, how ...

Can I clean the valve to remove sediment? The hot water pressure has slowed to a trickle. My system is set up with only two sinks. The hot water pressure at the farthest sink is very weak while the ...