Recent content by gc1234

Thanks for your detailed post. I hadn't realised that modern thermostats were using TPI so I can see why my naive approach would not work too well! I will need to look into the Honeywell system in more detail to fully understand what it is doing.

Thanks for the comment. I was planning to use two port zone valves which have a separate switched output when the valve is fully open. So I think if I wire these three outputs together this will work as the demand to the boiler - if at least one valve is open the boiler will be on.

Thanks for your replies. I like the Horstmann products and have used them before so it is a shame they have not built a wireless receiver into any product yet. The Heatmiser looks good too but is too big and over-speced for my requirements. So I think I am reduced to using 3 separate...

I am revamping my central heating system and plan to have installed a new combi boiler heating three separate zones (downstairs, upstairs, office) each with a wall mounted wireless thermostat controlling a motorised valve. Ideally I would like to buy a single box of electronics which combines...