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gas water boiler

Danny_2
Danny_2 Member Posts: 4
I have 27 years old gas boiler (input/output BTU:140k/110k) and it is deteriorating. I'm planning to replace it this winter. Should I go for indirect water heater or direct or "tank-in-tank" configuration? Should I get a smaller size (since today boilers are much more efficient)? Any recommendations on brands and types would be appreciated.
If you can provide the price ranges, that would be great!

Thanks,
Danny

Comments

  • Boilerpro
    Boilerpro Member Posts: 410
    Where to start

    The capacity of the new boiler should be based on a computer or written calculation of the current condition of your home. This is based upon a review of the insulation levels, condition of windows and doors, and the overall airtightness of your home. The boiler capacity you currently have can be adaquete to heat anywhere from a 1800 sq ft to a 5000 sq ft home in my Northern Illinois climate, depending on the above factors. Also, things like future improvements... upgraded windows, additions, finished basements/attics... should be taken into account, in addition to whether night setback will be used. I personally like the tank in tank indirect water heaters.... they seem to have much higher capacity without needing to use more expensive, larger pumps. As to brands, it is much more important to find a knowledgeable and through contractor that will do the homework as above and discuss with you any current problems you may be having. I have my personal likes and dislikes from my experience, but most any boiler out there properly installed will give you good service. The backing of the installation contractor (see Find A Contractor at this site) and the local manufacturer representative are the primary considerations, in my opinion. There are many very good boilers out there with poor local support and many acceptable boilers out there with very good support. I'd pick the second. The type of boiler...cast iron vertical section, cast iron horizontal section, copper tube, 90% + efficiency stainless steel condensing, etc. is strongly dependant on the type of system you have and your current budget and expectations for fuel usage.

    Boilerpro
    Boilerpro
  • Danny_2
    Danny_2 Member Posts: 4
    Boilerpro

    Boilerpro,
    Thanks for replying. Your info has been very helpful. I think I will replace it with a same BTU output boiler as my old one just to be in the safe side and combining with a indirect tank-in-tank water heater.

    Any comments on the intermittent ignition? how reliable is it? Would you prefer Burnham or Peerless?

    Thank you again,

    Danny
  • Dan
    Dan Member Posts: 6
    gas boiler replacement

    I'm confused are you personaly going to change the boiler or are you hiring a professional heating contractor ? Either way I would get a heatloss calculation done to properly size the equipment.
  • John@Reliable
    John@Reliable Member Posts: 379
    Danny!!!!!!!!!!!

    Please reread what BoilerPro said! even if doing the job yourself,find someone to help with a heatloss and size the boiler right. Any good wholesaler should be able to help.With heating systems size does matter,to big or too small could cost you money and comfort for the next 30+ years.The way you are thinking about sizing the system is what keeps me in business,really think about it. John@Reliable
  • dave ....

    spoken like a true pro !! i wonder if any one was listening.
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