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Bleeding Rayburn DHW system - is there a need to?

 
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Hoovie
Devon DIYer


Joined: 27 Jul 2007
Posts: 8036
Location: East Devon
PostPosted: Fri Oct 19, 2007 1:51 pm    Post subject: Bleeding Rayburn DHW system - is there a need to? Add User to Ignore List Reply with quote
Will be shortly plumbing in my Gas-Fueled Rayburn.

System will comprise Rayburn 208G Cookmaster (Cooking and DHW only), pipeworking will be going to coil in Hot Water Tank, and a F+E tank will provide, well, F+E services.
There will be no Radiator acting as heat dump within the system and system is Gravity only, no pump.

Question is: Is this system essentially self-bleeding through the Expansion pipe over the F+E tank or do I add in some kind of bleed valve to get rid of any air?
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I went to a bookstore and asked the saleswoman, "Where's the self-help section?"
She said if she told me, it would defeat the purpose.
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Hinton Heating
Gas/Heating Expert


Joined: 16 Jan 2006
Posts: 4296
Location: Bournemouth
PostPosted: Fri Oct 19, 2007 5:22 pm    Post subject: Add User to Ignore List Reply with quote
you only need to add an air bled, if you have a high point.
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Hoovie
Devon DIYer


Joined: 27 Jul 2007
Posts: 8036
Location: East Devon
PostPosted: Fri Oct 19, 2007 6:41 pm    Post subject: Add User to Ignore List Reply with quote
the *intention* is to be rise once, then fairly level on the pipes, with slight inclines going to cylinder (on same floor as range) and bring in the expansion pipe at the high point, so that will take care of it, then.

Cheers, HH Thumbright
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I went to a bookstore and asked the saleswoman, "Where's the self-help section?"
She said if she told me, it would defeat the purpose.
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