Floridablade Posted January 19, 2009 Share Posted January 19, 2009 Most boilers have a delay to empty the boiler of hot water before the thermostat switches the pump off this makes the system more efficient. My brother used to build and market an electronic device which did this but it's now mechanical and part of the thermostat. Just change the thermostat temp. and the gas boiler should light then when the water has reached the boiler temp. the circulating pump comes on then just before the room reaches the set temp. the boiler gas supply stops. Change both thermostats. Link to comment Share on other sites More sharing options...
Frenchie Posted January 19, 2009 Share Posted January 19, 2009 Sandie.. Sorry - meant to mention earlier, but there's no sign of any of this Space-Saver range on the Glow-Worm site, not even in the discontinued models. Guess it's older than I thought! This boiler is probably about 30 yrs old (so my oh who is a heating fitter tells me)! Link to comment Share on other sites More sharing options...
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