Boiler Replacement Advice

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  #1  
Old 09-23-05, 02:44 PM
EmilioD
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Question Boiler Replacement Advice

I live in a 2400 square foot colonial that has 2 zones and is being heated by a 20 year old oil boiler (Heating Capacity 115,000 btu, IBR Net rating 100,000 btu). This boiler is also my hot water source and this is an issue during the winter. With the rising fuel costs I feel it is time to replace this boiler with an energy star rated boiler.

I have had a few estimates in my area and most of the specialists are pushing for the Peerless WB series of boiler (one is pushing the Burnham V8 - 4 Section). The experts differ on the size of the boiler.

Those pushing the Peerless WB 4 section boiler claim that for 2 zones a 3 section boiler is not sufficient and that the 4 section boiler which holds more water than my existing unit should be sufficient to heat the house and supply hot water.

Those pushing the Peerless WB 3 section boiler claim that it satisfies my existing heating requirements and with a 3rd zone as an indirect hot water heater it will also supply all the hot water I should require. They also claim that installing a 4 section boiler is a waste of money. That it is a larger boiler and will require more oil to run.

Can someone please offer me advice? Which way should I go 3 section or 4 section? Can a Peerless WB 3 section boiler handle 3 zones?
 
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  #2  
Old 09-23-05, 04:32 PM
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Boiler Replacement

Before any selection is made, someone needs to do a Manual J heat loss calculation.
Peerless does not make a 3 section WB series which is Energy Star rated at 100,000 net I=B=R. You would have to go to a 4 section.
The Burnham V-8, 4 section would give you the Energy Star rating & 110,000 net I=B=R rating.
Crown's CT-4 only holds 5.5 gallons of water (faster heat up), has an Energy Star rating, & an I=B=R rating of 105,000.
The Buderus G-115, fired at 1.00 gallon/hr., will yeild 104,00 net I=B=R & is Energy Star rated.
Personally, I would prefer either the Crown or Buderus with an indirect to the Peerless or Burnham. Not cheap but in general, you get what you pay for.
 
  #3  
Old 09-25-05, 05:44 AM
EmilioD
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Boiler Replacement Advice

Apologies for the boiler 101 questions but
1) What makes the Crown's CT-4 or the Buderus G-115 a better boiler than Peerless?
2) Eventually I would like to add a 4th zone to heat the basement. Would the boilers you mentioned meet my demands (i.e. 3 zones baseboard heat, 1 zone indirect hot water heater).
 
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Old 09-25-05, 07:41 PM
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Crown/Buderus

They are both 3 pass design as opposed to the Peerless single pass, pin design. Both are easier to clean than a pin type boiler. I'm not sure how much water the Buderus holds but the Crown CT only holds about 5.5 gallons thus less stand-by loss & faster heat up, particularly with an indirect. I.ve used a lot of Peerless boilers in the past & still use them once in a while. When I'm installing an indirect, I always try to go with a low volume boiler.
Again, I cannot stress enough the importance of having a heat loss calculation done. Installing grossly oversized equipment is a winner for the installer & the energy company while YOU become the looser.
 
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