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Hi All, I have a Baxi Combi 80Eco boiler and I would like to install a Siemens Electronic digital room stat model : RDD10.1. Could someone advise me as to how to wire this unit in, does it need to go directly into the boiler control panel or will it have to be connected to my external...

Hi, I have a BAXI 80 Eco boiler with a CH starting issue, hot water is just fine and the system holds its pressure good at just over 1Bar. I have tried a timer but still not starting the CH system, I have a loop wire on pins 1&2 as per manual with no joy. Any suggestions on diagnostics...

Hi All New to this forum..so be gentle. 1, Baxi 80 eco DHW OK but no Heating. 2, New house and boiler was pre-installed. 3, Worked fine for a week or so. 4, System pressure just over 1Bar and steady with no leaks. 5, Turned off mains water, boiler and gas supply for 3 weeks holiday. 6...