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https://www.askthetrades.co.uk/cgi-bin/yabb/YaBB.pl DIY Forum >> Plumbing Questions >> Commission boiler before central heating finished https://www.askthetrades.co.uk/cgi-bin/yabb/YaBB.pl?num=1412140675 Message started by chateaux001 on Oct 1^st, 2014, 6:17am

Title: Commission boiler before central heating finished
Post by chateaux001 on Oct 1^st, 2014, 6:17am

Hello, just installing new greenstar 24i junior on a project build, just wanted to know if I can commission boiler without central heating being finished, not rushing the project but would like to get hot water on, got isolating valves in flow and return.
thanks.

Title: Re: Commission boiler before central heating finished
Post by thescruff on Oct 1^st, 2014, 10:01am

Wouldn't advise it unless you can put a couple of rads into circulation.

Had you installed an Intergas boiler you could have run it as a water heater or heating only

Title: Re: Commission boiler before central heating finished
Post by Lectrician on Oct 3^rd, 2014, 10:20pm

As scruff says, rads are needed to "ditch" heat once your heat exchanger has finished heating your DHW.