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Grundfos STN pulsing

stehayes · 2016-10-06 10:47:26

Hi folks my shower pump is pulsing and there are no leaks in system. I have turned off the valves on the outlets of the pump and it keeps pulsing. I think it may have three problems but not sure which one...either the NRV'S are faulty, the pressure switch is gone or the vessels need to be pumped..if anyone could help it…

06-10-2016 10:47am

#1

stehayes

Registered Users, Registered Users 2 Posts: 10 ✭

Join Date: November 2012

Posts: 5

Hi folks my shower pump is pulsing and there are no leaks in system. I have turned off the valves on the outlets of the pump and it keeps pulsing. I think it may have three problems but not sure which one...either the NRV'S are faulty, the pressure switch is gone or the vessels need to be pumped..if anyone could help it would be great, I just don't want the pump to burn out.

Thanks

Stephen.

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Comments

#2 24-11-2016 4:22pm

HPT

Registered Users, Registered Users 2 Posts: 141 ✭✭

Join Date: April 2007

Posts: 135

You probably got this sorted by now, but do any of your toilets fill very, very slowly?

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