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I've had three wired thermostats pack in over the last few years so thought I'd try a wireless one as I got it cheap.

The two wire programmable thermostat has packed in on my Wickes Combi 2000 combi. I've purchased a Celect COR908WHB-3-RF/B Wireless thermostat off ebay but I'm unsure which way to wire it up. I've uploaded the diagrams for the combi and the thermostat so any advice would be greatly appreciated.

Thanks guys the system is around 12 years old. Looks like the best option is to fit an external pressure vessel. Thanks for the advice.

The pressure drop is on the heating side only when the heating is on. As the heating is currently off I've currently filled the system to max, just under 3bar and its holding steady - no pressure drop at all. I'm pressuming the pressure vessel has past its best or is it possible to...

Thanks for the info, will give them a ring tomorrow.

Just purchased a Evergreen ST0311 multi fuel stove secondhand. Flue diameter on the stove is 127mm. I've fitted the stove to my exsisting fireplace which used to have a gas fire fitted sometime ago, the chimney is lined with a 7 inch flexible liner. In the past the smoke test done by the gas...