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Hi all, Has anyone worked on these ground source heat pumps before? We have a site where a couple of these are installed but we are having problems with the heating and hot water with them but I suspect it's caused by the controls/settings and was hoping someone would be able to assist in...

Hi All, I've been having problems with my heating system since i moved into my house 12 months ago see thread below, the boiler is a Valiant Ecotec Plus 637 https://www.diynot.com/diy/threads/valiant-ecotec-637-low-loss-header-wiring.533599/ The guys that were supposed to fit the low loss...

Hi, I've been having issues with my heating which looks to be caused by poor flow around the system, see the previous thread; https://www.diynot.com/diy/threads/valiant-ecotec-plus-637-radiators-not-heating-up-fully.531129/page-3 I had a gas safe registered company come in to take a look who...

Last year we moved into a converted bungalow that has a Valiant Eco tec plus 637 boiler. Along with a unvented hot water cylinder. The property has been refurbed and both of these are only a few years old. We have a circuit for downstairs and a circuit for upstairs heating, controlled by two...