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Electric boilers -what works best

Dan Rice
Dan Rice Member Posts: 3
in THE MAIN WALL
Hot Rod,

Thanks for the heads up on the ASME rating requirement possibility. From looking at other equipment, I get the impression that the ASME stamp is more likely to be required on commercial installations. Is that correct?

Thanks again.

Dan

Comments

  • Dan Rice
    Dan Rice Member Posts: 3
    Electric boilers -what works best?

    I am considering installing an electric boiler as a heat source for in-slab radiant heat in a 1500 sq. ft. house. Heat load is 40,000 btuh. Any suggestions? I'm interested in both positive and negative feedback regarding electric boilers in general and about specific brands that work or should be avoided. Thanks.
  • Mitch_4
    Mitch_4 Member Posts: 955
    need more info

    what is the system? radiant? baseboard? zones? if you have one zone, baseboard, allmost any electric will do, if you have many zones, and radiant, look at a step modulating electric.

    I Usually deal with Olsen product here in Canada, and he was showing me the ARGO electric...not much use for me, but I keep it in mind, he said it was designed for multi zoned radiant systems. Look nice.

    Mitch
  • hr
    hr Member Posts: 6,106
    Most boiler manufactures

    have cast iron or steel versions. Heavy, long lasting, usually ASME stamped are the pluses. Most are noisey, and a bit of a maintenance issue with the contactors and elements. Plan on servicing or replacing contactors if they cycle a lot.

    I have used several brands of small modulating electric units. Controlled bt a circuit board they do not have the large, noise prone, contactors. Same element output ranges available. Some have outdoor reset built in! The last two I used were Thermolec out of Canada I believe, purchased through Aquatherm in Minnesota. Seisco also has a similar type. Neither have ASME if this is required in your area.

    hot rod

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  • Dan Rice
    Dan Rice Member Posts: 3


    Mitch,

    Thanks for the suggestions. The heating system is Radiantec's 7/8" PEX-C (ugh) -3 zones in a 1500 sq. ft. residence. Tubing is in an insulated slab on grade. (I had nothing to do with the choice of tubing or its installation -I'm picking up from an owner-builder). I've also looked at the Argo unit. I've been heading towards the Seisco product line, unless I get some really bad feedback.

    Dan
  • leo g_13
    leo g_13 Member Posts: 435
    Only problem that I have

    run into with the Seisco, is the temp range. For radiant, should be fine, but if higher then 140-150 temps are needed, it may be a problem.

    Leo G.

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  • Mitch_4
    Mitch_4 Member Posts: 955
    I agree

    with Leo.
  • Blackoakbob
    Blackoakbob Member Posts: 252
    Electric boilers....

    can be simple on-off or with all the bells and whistles. A nice boiler with quiet operation and some energy efficient built-in functions is the one from www.electromn.com
    I've had good luck with them. One thing with using a wet system is that you can use anything to heat the water...solar, heat pump, electric, oil, gas, etc., etc.
    Best Regards
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