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Which thermostat should I get (or do I need one?)

 
Air Source Heat Pumps (ASHPs)
Last Post by Davesoa 2 hours ago
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 Davesoa
(@davesoa)
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Joined: 3 years ago
Posts: 72
Topic starter 26/09/2025 2:02 pm  

I have a Honeywell CM67 thermostat that’s now over 20 years old. It controls the underfloor heating (UFH).
We had a heat pump fitted in May and its thermostat, Halo Lite, is independent of the UFH. That thermostat is placed in another room.
The CM67 is now wired so that it can call for heat from the heat pump. To make it synchronise with the heat pump thermostat schedule I have to input the same times and temperatures. It’s possible on the CM67 but it very much is showing its age and the interface is clunky.

I need to replace it. But what with or do I even need one? Could the UFH be set up so it runs automatically when the heat pump does? 


This topic was modified 2 hours ago 3 times by Davesoa

Ideal HP290 10kw heat pump, 2.99kw PV, Powerwall 2, Zappi charger, EV. Midlands location hybrid house part 1911, part 1970, part 2020s.


   
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