I have a traditional Potterton gas boiler (kingfisher II) with gravity fed hot water and pumped radiators. It's controlled by a Randall 30 60 timeswitch and a hard-wired radiator thermostat in the hall.
I'd like to upgrade the controller and (if possible) upgrade to a wireless thermostat.
Hi GrumpyMike I would suggest that the reason for the lack of products is simply due to there being very few gravity systems in use these days. Having said that, it's quite possible to find a few that will do the job. I just wonder if it's really worth doing. The 30/60 was a very good programmer, although a bit large,and most of the older style room stats (provided correctly wired) can be more accurate than is commonly believed.
GrumpyMike wrote:And there seem to be plenty of options for wireless thermostats for modern full-pumped system and combi boilers.
There is no difference between a thermostat used to control a gravity system and one to control a combi boiler.
What might be different is that most installations nowadays use a programmable thermostat which allows the temperature to be varied at different times of the day. A standard thermostat or a programmable thermostat can be used with either system.
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