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Fastlane 11-25-2008 11:59 AM

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?

beenthere 11-25-2008 06:48 PM

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

Fastlane 11-26-2008 10:43 AM

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?

beenthere 11-26-2008 04:33 PM

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.

tk03 11-28-2008 02:20 PM

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.

Fastlane 11-28-2008 06:46 PM

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?

beenthere 11-29-2008 03:35 AM

I'd go with an MPO instead of the V* if you stick with Burnham.

tk03 11-29-2008 07:34 AM

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.

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