If you have a new account but are having problems posting or verifying your account, please email us on hello@boards.ie for help. Thanks :)

Hello all! Please ensure that you are posting a new thread or question in the appropriate forum. The Feedback forum is overwhelmed with questions that are having to be moved elsewhere. If you need help to verify your account contact hello@boards.ie

Hi there,
There is an issue with role permissions that is being worked on at the moment.
If you are having trouble with access or permissions on regional forums please post here to get access: https://www.boards.ie/discussion/2058365403/you-do-not-have-permission-for-that#latest

Grundfos Amazon pump short cycling

bloomfield · 2018-04-11 12:56:05

We have this pump installed next to the hot water tank in the hot press upstairs. The water supply works well for the bathroom, but when we try to run the hot tap in the kitchen the pump goes into a short cycle. We previously had problems with the pump randomly turning itself on and off when none of the taps in the house…

11-04-2018 12:56pm

#1

bloomfield

Registered Users, Registered Users 2 Posts: 51 ✭✭

Join Date: October 2007

Posts: 45

We have this pump installed next to the hot water tank in the hot press upstairs. The water supply works well for the bathroom, but when we try to run the hot tap in the kitchen the pump goes into a short cycle.

We previously had problems with the pump randomly turning itself on and off when none of the taps in the house were turned on - and a plumber fitted some no-return valves, and it seemed to fix it.

Does anyone know why this short cycling problem might happen when we're running the water in the kitchen, but not in the bathroom?

Pump: Grundfos Watermill Amazon 2.0 bar twin impeller pump (STP-2.0

0