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Gravity Feed
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02-06-2006, 07:52 AM
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#1 |
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Remodeler
Trade: Remodel
Join Date: Mar 2005
Location: Vermont
Posts: 104
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Gravity Feed
On a 3 zone (circuit) hydronic baseboard system I have heavy gravity feed on the upstairs circuit. Each circuit is fed by it's own circ pump. Is there any other way to stop the feed other than a zone valve paralleled with the circ pump?
Thanks ... |
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02-07-2006, 05:38 AM
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#2 |
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Pro
Join Date: Dec 2003
Location: MA
Posts: 438
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Re: Gravity Feed
Flow checks will stop the bleed from the gravity.
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02-07-2006, 07:37 AM
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#3 |
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Remodeler
Trade: Remodel
Join Date: Mar 2005
Location: Vermont
Posts: 104
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Re: Gravity Feed
Thanks .... but why won't the gravity feed just reverse direction with a check valve?
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02-08-2006, 05:21 AM
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#4 |
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Pro
Join Date: Dec 2003
Location: MA
Posts: 438
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Re: Gravity Feed
The flow check is weighted, so as to prevent the reverse flow.
Taco, and Watts make this type check valve. BJD |
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02-08-2006, 07:37 AM
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#5 |
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Remodeler
Trade: Remodel
Join Date: Mar 2005
Location: Vermont
Posts: 104
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Re: Gravity Feed
great .. thanks a lot
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02-09-2006, 03:20 AM
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#6 |
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Pro
Join Date: Dec 2003
Location: MA
Posts: 438
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Re: Gravity Feed
Take a peek around your system and see if there is a check valve on the supplys, note the one for the floor in question and be sure that it is in the closed position, if not it may just have something stuck in it and is keep it from closeing.
BJD |
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02-09-2006, 08:28 AM
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#7 |
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Remodeler
Trade: Remodel
Join Date: Mar 2005
Location: Vermont
Posts: 104
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Re: Gravity Feed
thanks ... I see the flo check valve and it is closed (top screwed all the way in). At that point does it need to be replaced?
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02-10-2006, 04:23 AM
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#8 |
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Pro
Join Date: Dec 2003
Location: MA
Posts: 438
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Re: Gravity Feed
Yes I would say so
bjd |
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02-10-2006, 07:49 AM
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#9 |
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Remodeler
Trade: Remodel
Join Date: Mar 2005
Location: Vermont
Posts: 104
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Re: Gravity Feed
thanks for your advise
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