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  1. #1
    Join Date
    May 2005
    Location
    lawn guyland, ny
    Posts
    27

    Hmm

    This may seem an odd question but what is the real difference between a pool heater and a standard boiler? The only things that really come to mind are cabinet design to withstand weather exposure and possibly heat exchanger design to account for contaminants like leaves and things that might get past the skimmer.The recovery rate must be the same: 100,000 btu in @ 81% eff. = 81,000 btu/hr.Am I oversimplifying? Any thoughts guys & gals?

  2. #2
    Join Date
    Mar 2005
    Location
    burlington county n.j.
    Posts
    9,704
    would a standard boiler hold up to pool chemicals???

  3. #3
    Join Date
    Nov 2004
    Location
    SW FL
    Posts
    6,234

    Lightbulb Pool Heater

    Most Pool Heaters should be heat pumps
    ... at least in my area.
    Designer Dan
    It's Not Rocket Science, But It is SCIENCE with "Some Art". ___ ___ K EEP I T S IMPLE & S INCERE

    Define the Building Envelope and Perform a Detailed Load Calc: It's ALL About Windows and Make-up Air Requirements. Know Your Equipment Capabilities

  4. #4
    Join Date
    May 2005
    Location
    lawn guyland, ny
    Posts
    27
    Cast iron? i would hope so. I'm more thinking along the lines of temperature rate - of - rise. dont want the kids getting scalded if in front of the return jet.Also concerned about recovery rate, so many gph x desired rise in temp... that sort of thing.
    p.s. eff heat pumps...

    [Edited by madmark on 05-28-2005 at 12:24 PM]

  5. #5
    Join Date
    Jan 2004
    Location
    Lancaster PA
    Posts
    67,717
    You can use a standard boiler, just need to use a brazed plate heat exchanger to protect the boiler.
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  6. #6
    Join Date
    Oct 2001
    Posts
    2,096
    I think that today's pool heaters have copper - fin heat exchangers.
    Boiler with cast-iron exchanger would take a biting due to condensation.
    In this application primary and secondary loop probably
    would not work.
    Water flow has to be great enough to provide proper filtration.
    Due to high GPM, TD is very small, so I would not wary about
    anybody getting scaled. High temp limit is also lower then in regular
    residential boiler. Pool heaters have a pressure switch to prove the
    pump operation.


  7. #7
    Join Date
    Aug 2002
    Location
    manitowoc wisconsin
    Posts
    4,943
    Originally posted by beenthere
    You can use a standard boiler, just need to use a brazed plate heat exchanger to protect the boiler.
    I have used s.s.spiral heat exchangers with good success.
    Take your time & do it right!

  8. #8
    Join Date
    May 2005
    Location
    lawn guyland, ny
    Posts
    27
    ty to all, sigma was the closest. i picked up the heater today. 3 pass copper fin tube HE, proof switch for pump etc...

  9. #9
    Join Date
    Jul 2003
    Posts
    72
    When using a plate heat exchanger in conjuction with a boiler what are the pros and cons? The boss just told me we are doing a job like this in a few weeks and I was wondering if anyone could shed a little light on what I should be careful with? Thanks.

  10. #10
    Join Date
    Jan 2004
    Location
    Lancaster PA
    Posts
    67,717
    Originally posted by fishface
    When using a plate heat exchanger in conjuction with a boiler what are the pros and cons? The boss just told me we are doing a job like this in a few weeks and I was wondering if anyone could shed a little light on what I should be careful with? Thanks.
    Flow rate, flow rate, flow rate.

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