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Navien or Super-stor

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happydave
happydave Member Posts: 79
I have a 8 year old gas water heater and a 6 year old slant fin lynx condensating boiler that I'm not fond of. Would you replace the heater with a indirect or spend a couple more bucks and put in a combi unit? Thoughts? Both would take me about the same time. Thanks

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  • GW
    GW Member Posts: 4,699
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    I'm a tank man, there are pros and cons to both. Tankless has more stuff, more things that can go wrong. Tank is simple as pie. I think the fuel savings topic has lost a bit of traction over the years, the tanks will certainly require a bit more fuel but we're talking tiny amounts of money.
    Gary Wilson
    Wilson Services, Inc
    Northampton, MA
    gary@wilsonph.com
  • njtommy
    njtommy Member Posts: 1,105
    edited May 2016
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    I really like my Navien combi. You just need to watch the minimum firing rate of the larger models of 18k btus. Tankless or indirect is a tuff question for me because you will get endless hot water either way if sized correctly. It really comes down to your budget.
  • kcopp
    kcopp Member Posts: 4,438
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    What are your hot water needs? What is the condition of the boiler? How long do you plan of being at your home?
  • happydave
    happydave Member Posts: 79
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    Two full bathrooms , laundry, etc. Boiler is good shape, little loud compared to the Naviens we install
  • kcopp
    kcopp Member Posts: 4,438
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    I would do an indirect... Standby losses are very low. More consistent hot water.
  • GW
    GW Member Posts: 4,699
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    What's a reverse indirect
    Gary Wilson
    Wilson Services, Inc
    Northampton, MA
    gary@wilsonph.com
  • GW
    GW Member Posts: 4,699
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    Ahh not familiar with such a product
    Gary Wilson
    Wilson Services, Inc
    Northampton, MA
    gary@wilsonph.com
  • 4Johnpipe
    4Johnpipe Member Posts: 483
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    This unit has what you are looking for...
    http://www.htproducts.com/EFT_Combination_Floor.html
    LANGAN'S PLUMBING & HEATING LLC
    Considerate People, Considerate Service, Consider It Done!
    732-751-1560
    email: langansph@yahoo.com
    www.langansplumbing.com
  • GW
    GW Member Posts: 4,699
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    That HTP looks reminiscent of the Heat Maker
    Gary Wilson
    Wilson Services, Inc
    Northampton, MA
    gary@wilsonph.com
    Paul S_3kcopp
  • 4Johnpipe
    4Johnpipe Member Posts: 483
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    Not familiar with the Heatmaker. Don't quote me however these HTP units may now be available with 10 to 1 turn down due to the implementation of HTP's patented Venturi system. If not they should be in the near future.
    LANGAN'S PLUMBING & HEATING LLC
    Considerate People, Considerate Service, Consider It Done!
    732-751-1560
    email: langansph@yahoo.com
    www.langansplumbing.com
  • njtommy
    njtommy Member Posts: 1,105
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    HTP looks a nice unit. Yet again these combi units have terrible turn down ratio. I would really love to see 5k btus on the combi units.