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Old 11-25-2008, 11:59 AM   #1
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Burnham V-7 furnace leaking water


I have a 1997 Burnham V-7 furnace Model number PV73WBT. Upon removal of the side panels, there is a crack in the first cast iron plate which is leaking water.

Can just the 1 plate be replaced, or does the whole unit need to be replaced?

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Old 11-25-2008, 06:48 PM   #2
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Burnham V-7 furnace leaking water


Burnham generally sends a whole new block.
And it takes less tiem to change out an entire block, then just a section.

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Old 11-26-2008, 10:43 AM   #3
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Burnham V-7 furnace leaking water


Is it worth changing out the block or purchasing a new boiler? Would the new block be more reliable than the old one or do they still have the same problem?
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Old 11-26-2008, 04:33 PM   #4
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Burnham V-7 furnace leaking water


They don't give you another V7 block. It'll be a V*, which is made heavier then the V7 was.

If you can wrangle a MPO from them, it would be a better boiler.
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Old 11-28-2008, 02:20 PM   #5
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Burnham V-7 furnace leaking water


He is past the 10 year warranty and now in the proration warranty if he is the original owner. He will get a new V7 block unless it is a steam boiler than a V8. He can swing a deal on a new V8 or MPO if a water boiler.
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Old 11-28-2008, 06:46 PM   #6
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Burnham V-7 furnace leaking water


Not the orginal purchaser, which means i get the short end of the deal. It's a water boiler so, am i better off getting a new boiler or putting in a new block?

If i go new, do i stick with Burnham v-8, MPO or go with another mfg?
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Old 11-29-2008, 03:35 AM   #7
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Burnham V-7 furnace leaking water


I'd go with an MPO instead of the V* if you stick with Burnham.
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Old 11-29-2008, 07:34 AM   #8
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Burnham V-7 furnace leaking water


As always I agree with Beenthere. The MPO is a three pass boiler which runs about 87%. The MPO follows the European lines but I am told is easier to service. It does not come with a domestic coil as no boiler should. The most important thing is proper sizing. Do a heat loss before getting quotes and that way everyone is on the same page.
For more info on heat loss see this link.
www.comfort-calc.net

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