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Thread: What are "heat sinks"? Why are they so expensive?

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    Join Date
    Jun 2008
    Location
    Prescott, Wisconsin
    Posts
    220

    What are "heat sinks"? Why are they so expensive?

    Last year, we sprung a big leak in the pipes between the pump and heater, and opted to bypass the heater. (It was around 90 every day.) The PB did the bypass, said we needed two new heat sinks at $95/each, recommended that we get a new heater instead of fixing the old one, and took all the connecting pipe. Honestly, I'm not sure what heat sinks are, but I know we can't afford a new heater. Since we opened early this year, I'd like to get the old heater fixed, but I'm reluctant to spend the money on it when I don't really understand it what's wrong. Can anyone educate me about heat sinks, old natural gas heaters, etc.? The heater is a Teledyne Laars XE, and we think it was original equipment -- maybe 10-15 years old. (We bought the house last year.)
    -----------------------------------
    26000 gal, in-ground, vinyl pool
    Hayward S200 sand filter, 1 skimmer, 2 returns
    BBB since the first month! :-)

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    Join Date
    Mar 2008
    Location
    Los Angeles, Ca
    Posts
    162

    Re: What are "heat sinks"? Why are they so expensive?

    Here is a diagram of your heater
    http://www.mypool.com/Help_files/Parts_ ... dyeXE2.htm

    I did not see heatsink anywhere, not sure that it is in a pool heater.

    I would ask the guy to point out what is bad.

    Randy
    20,000 gal fiberglass pool, Raypak 266k BTU Lo Nox gas heater, Purex 2048 48 sq ft DE filter, 1.5hp pump. iWave wireless remote, Pulsafeeder chlorine pump, Safety cover on most of the time

    seperate spa, with own pump, cartridge filter, Teledyne heater

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    Join Date
    Jun 2008
    Location
    Prescott, Wisconsin
    Posts
    220

    Re: What are "heat sinks"? Why are they so expensive?

    I called a few places ... it looks like they are the stainless or copper pipes that connect the heater to the PVC. I think they are called "heat sinks" because they absorb the heat so the PVC doesn't melt. Can anyone confirm that?
    -----------------------------------
    26000 gal, in-ground, vinyl pool
    Hayward S200 sand filter, 1 skimmer, 2 returns
    BBB since the first month! :-)

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    In the Industry
    budster's Avatar
    Join Date
    Dec 2008
    Location
    Savannah Historic District
    Posts
    272

    Re: What are "heat sinks"? Why are they so expensive?

    You are correct, and using heat sinks is pretty much "old school". Since most new heaters have capron headers, or recommend CPVC close to the heater, they are no longer used.

    Finding a set of heat sinks is not that easy anymore! They are, indeed, copper or SS. A new heater will not require them.
    http://www.swimmingpool.com/

    "Leave the gun...take the cannolis"

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