I have a ESRTP4RF+ and the heating and hot water are running fine.
My bills have quadrupled over the last month and the m/a button on the receiver is lit red. Is it supposed to be or am I in some kind of manual over ride that's costing me a fortune?!
Hi, I just moved into a new house and it has a Glow Worm Compact 24c combi boiler and a ESI ESRTP4RF+ programmable room thermostat and I am wondering if it's worth turning on the optimum start and stop features? There is also something called TPI (chronoproportional control) but I'm not sure how...
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