Monsoon Universal N 1.5 bar Twin Shower Pump

Pump cuts in and out every 5 - 10 secs when the Shower is turned off . How can I check what parts are required to repair or is this a common fault that you can recommend a part that will fix the problem
Asked 7 years ago by Graham
If you shut off the outlets from the pump and the problem stops , then the fault is cause by a leak.
If the pump continues to cut in and out , then a common fault is the non return valves , and these should be replaced.

Answered 7 years ago by Barrie Seabright

HI
I have shut off the outlets and the Pump continues to cut in and out. Can you please quote for replacement non return valves for Monsoon universal N 1.5 bar Serial Number 0846003.003 Part Code 46480.

Thanks in anticipation

Answered 7 years ago by Graham Frithqwm54659

First turn off the water to the pump and open the shower valve or what ever else the pump supplies then check the pressure in the pressure vessel and repressurise if necessary.

Turn the valves on and test

Try turning off the valves on the outlets individually and see if the same thing happens you may be able to trace it down to a problem with the hot or cold.


The other thing is there is a shuttle valve in the transfer pipe that goes between the hot and cold ends of the pump unfortunately this part is no longer available however it may be worth stripping it out and giving it a grease with silicone grease.

www.showerdoc.com/stuart-turner-monsoon-n1-5-n3-0-bar-twin-shower-spares


www.showerdoc.com/the-shower-doctor-silicone-grease-30ml-tub-mcsilicone


Answered 7 years ago by George Thomson

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