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What is your opinion ?

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Heeltee
Heeltee Member Posts: 20
in THE MAIN WALL
I have a two zone system Radiant on first floor and hot water (180) on 2nd floor, i am going to replace my cast iron boiler with a new wall hung boiler and indirect water heater. There is so much on the market, so before I buy I would like all the input i can get on what works well ! Thanks

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  • Paul S_3
    Paul S_3 Member Posts: 1,261
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    Lochnivar...Htp....and Viessmann are good choices.....what type of heat emitters on 2nd floor....have you done a heat loss calc?
    ASM Mechanical Company
    Located in Staten Island NY
    Servicing all 5 boroughs of NYC.
    347-692-4777
    ASMMECHANICALCORP@GMAIL.COM
    ASMHVACNYC.COM
    https://heatinghelp.com/find-a-contractor/detail/asm-mechanical-company
  • Heeltee
    Heeltee Member Posts: 20
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    Radiators on 2nd fl and yes I have done heat loss calculations. What is the longevity of these boilers ? How are there reps ? Also can it handle the 180 ? Thanks for reply !

  • Leon82
    Leon82 Member Posts: 684
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    yes but if you have radiators you can run lower than 180, possibly much lower
  • Gordy
    Gordy Member Posts: 9,546
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    You need to do an edr check on the rads of the second zone. If the second zones heat loss is lower than the room by room edr of the rads than you wil not need 180 SWT to those rads except maybe at design day conditions. In a nut shell if the rads are over sized SWT goes down to meet the loads.
  • Paul S_3
    Paul S_3 Member Posts: 1,261
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    What are your numbers for the heat loss calculations.?these boilers can last fairly long with proper installation & maintenance
    ASM Mechanical Company
    Located in Staten Island NY
    Servicing all 5 boroughs of NYC.
    347-692-4777
    ASMMECHANICALCORP@GMAIL.COM
    ASMHVACNYC.COM
    https://heatinghelp.com/find-a-contractor/detail/asm-mechanical-company

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