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Thread: radiant vs exchange heaters

  1. #1
    Fry
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    radiant vs exchange heaters

    I'm going to install a heater this year in my pond. Was away on travel, only to return and find one of my two filtration system frozen solid. Not looking forward to seeing full damage. I'm leaning towards the raidiant type system, as they seem to be more efficient.

    All thoughts are welcome.

  2. #2
    Tategoi powerman's Avatar
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    Quote Originally Posted by Greg P View Post
    I'm going to install a heater this year in my pond. Was away on travel, only to return and find one of my two filtration system frozen solid. Not looking forward to seeing full damage. I'm leaning towards the raidiant type system, as they seem to be more efficient.

    All thoughts are welcome.
    if building a new pond you could put in a radiant system...i don't know how you could retro one.....i use a heat exchanger and a tankless water heater...

  3. #3
    Fry
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    I'm thinking that I could install the coils in the SCs or I could mount the coils to the walls of the pond...pond has concrete walls. The wall mounting would probably be easier.

  4. #4
    MCA
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    Honmei MCA's Avatar
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    Put the coils in the fluid bed where you know the water will defintely circulate around them and take on the heat. In the SC they would just be something to trap debris.

  5. #5
    Fry
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    Got some info back from one of the manufactures and they said that I would not be able able to use the radiant system for my appilcation. So, I guess it will be a heat exchanger.

  6. #6
    Jumbo
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    What kind of heater are you going to use? I don't have natural gas here and I can get more BTUs from a buck of electricity than a buck of propane. So i went with a 220 volt 5.5 KW spa heater. It's 2" inline SS, very easy to install. Works great. I'm flowing 2000 gph through it.

  7. #7
    Oyagoi Eugeneg's Avatar
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    Quote Originally Posted by Birdman View Post
    What kind of heater are you going to use? I don't have natural gas here and I can get more BTUs from a buck of electricity than a buck of propane. So i went with a 220 volt 5.5 KW spa heater. It's 2" inline SS, very easy to install. Works great. I'm flowing 2000 gph through it.
    That soundslike a good idea what price are we looking at?
    Regards
    Eugene

  8. #8
    Jumbo
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    Quote Originally Posted by Eugeneg View Post
    That soundslike a good idea what price are we looking at?
    Regards
    Eugene
    That model is about $550.

  9. #9
    Fry
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    Planning to use natural gas.

    How big is your pond and how cold are your winters in OR?

    Does your unit have a themostat that regulate the temp or do you do it manually?

    Price looks really nice.

  10. #10
    Jumbo
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    Quote Originally Posted by Greg P View Post
    Planning to use natural gas.

    How big is your pond and how cold are your winters in OR?

    Does your unit have a themostat that regulate the temp or do you do it manually?

    Price looks really nice.
    My pond is 6700 gallons, uncovered, it normally gets down into the low 20s at night but every winter it seams like we get a few days below 0.
    The heater has a thermostate, a low flow shut off, and a over temp shut off.
    Here is the const. thread to my pond.
    Birdman's Indoor Pond

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