Search results

Understood, thanks. Will try changing the settings and see if that works, and if not it seems like it could be a valve sticking. Thanks all

As far as I know only one thermostat on the ground floor. Albeit, the first floor has been running hotter than the ground floor, which I imagine could just be settings. Yes, the Honeywell time periods are set up and appear to be working correctly, it just doesn’t appear to be communicating to...

As far as I know only one thermostat on the ground floor. Albeit, the first floor has been running hotter than the ground floor, which I imagine could just be settings. It seems less that the valve may be sticking open and more that the machines are not talking to each other ie one (Honeywell)...

Thanks Jonathan. Hmmm, no idea TBH. How do I check? I have a feeling based on how the heating appears to be working then maybe there are two; ground floor and first floor…?

Thanks for the fast response, Stem, appreciated. Have attached another pic, but there is no number 10 timeswitch, it appears to be one of the models without it. So, from what you’ve said it sounds like I need to change from the ‘auto’ setting on the boiler and try it being permantly on or off...

Thank you for taking the time to read this. We have recently moved into a new house which has an Ariston Clas HE system evo boiler (without clock) operated by a Honeywell ST9400C timing control with separate walled mounted thermostat. Each of the three items appear to be operating correctly...