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Hi all, Thanks in advance for helping! I have a Worcester 24i system. 2 heating zones and a megaflo tank. During the heat cycle (seemingly for downstairs or possibly water) I get the noise of water running/gushing through the boiler. I’ve bled the rads and there was no air trapped. Mentioned...

Brilliant news, thanks for your time.

Hi, I have a Worcester Greenstar 38 CDi, with a Danfoss TP5000Si programmable thermostat. I want to replace this with the Nest setup. The nest heatlink wiring diagram has three inputs (satisfied [optional], common, call-for-heat) and the current Danfoss setup has three inputs (N/C, Com and...