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What's an automatic bypass valve, and do I need one?...


 
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Henrik

from Denmark

Joined: 10 Feb 2005
Posts: 38
Location: Denmark

PostPosted: Thu Nov 16, 2006 2:34 pm Reply with quote

Hi,

Heating company now talking about fitting an automatic bypass valve to the new system - what's that, and do I need one?

We're planning a new heating installation in an old house (there was none), comprising a gas fired condensing system boiler, either Ideal Icos System 24HE or Baxi Megaflo System 24HE, with high recovery cylinder and 17 rads. Controller will operate 2 zones (hw and heat), TRVs on most rads and a room thermostat (or two).

Any help much appreciated,

Henrik
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gordongas

from United Kingdom

Joined: 08 Sep 2005
Posts: 883
Location: Blackpool,
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PostPosted: Thu Nov 16, 2006 3:06 pm Reply with quote

auto by pass gives a set flow through the boiler to stop overheating, avoid the ideal it is trouble
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Henrik

from Denmark

Joined: 10 Feb 2005
Posts: 38
Location: Denmark

PostPosted: Thu Nov 16, 2006 4:40 pm Reply with quote

Gordon,

Thanks - you'd recommend the Baxi ahad of the Ideal? - any major reason why? Also, is there much work in fitting an auto bypass valve - how much do they cost, roughly?

Thanks

Henrik
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gordongas

from United Kingdom

Joined: 08 Sep 2005
Posts: 883
Location: Blackpool,
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PostPosted: Thu Nov 16, 2006 6:56 pm Reply with quote

about 25 pounds to buy and dont take much fitting . the ideal is not very reliable and prone to leaking
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Paul Barker

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PostPosted: Thu Nov 16, 2006 7:00 pm Reply with quote

16 at PTS
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