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Thanks Tipper. Can't find my installation manual so had a Google and now have the book for installation and servicing from here: http://www.vaillant.co.uk/mediaarchive/2013/10/ecoTEC-installation-servicing-2009.pdf Thought with the way people seem to be coming across that the info I needed...

I didn't say I would remove the front case to refill the system. If you have a look at my first post, that was the issue caused when I left my handyman to refill the system. I came home to find he had taken to front off and pressed anything he could find to try stop water coming out the...

I am not continually messing around with it. I have fixed a previous issue through research and following a logical procedure. I now have to drain the system again and want to do so safely. Every time I add a new finished room to my refurb I am adding it to this system rather than the old one...

Wind yer neck in :shock: Calling a Helpline dreaded is hardly slagging them of. I know is is a good boiler, hence why I spent double the cost of a cheap one to buy it. I also like to think I should not "HAVE" to get a plumber out or call a helpline for aftercare to safely empty and refill...

OK, the system is working fine again after emptying the water again, setting the pressure vessel to the correct pressure with a car tyre pump (found online elsewhere) and refilling again. Does anyone know where to find the guide to purge the air out of the heat exchange as I think I will...

Didn't realise that, would have thought adding the water was as simple as that.

Hi all, Decided to register here for some help before calling the dreaded Vaillant Service line. Have had my Ecotec Plus 837 for about 2.5 years, however it hasn't been used for 6 months due to refurbishment. I left my handyman with the job of refilling the system yesterday and got a...