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99% efficient, with no condensation?

leo g_13
leo g_13 Member Posts: 435
in THE MAIN WALL
I meant to change the orientation, before I left, but it took me a bit longer then anticipated, and the boy had hockey.
So that move will have to wait until next week!

As for the iso valves, the piping from stop to stop isn't that long, so if I should have to change the circ, there really isn't much of a hassle.

Thanx for the comments.

Leo G

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Comments

  • leo g_13
    leo g_13 Member Posts: 435
    If you guessed electric boiler

    you're right! This was one of my "consulting" jobs. I do the heatloss, set up the homeowner with a wholesaler, then point them in the right direction. The boiler work, though, is for me.

    This house was one of our "Allen town" wartime infloor copper radiant homes. The owner added a story, and over-poured the old slab. They are doing most of the "easy" stuff themselves.

    We went from an old Ruud gas boiler, to this energy effecient Thermolec Electric Boiler. This is the one with the outdoor reset built right in.

    The owner layed his loops, did his own cement, and has ply-wooded the overpour. I spent the last couple of days putting the "hard" stuff together.

    Enjoy!

    Here's the boiler

    Leo G

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  • leo g_13
    leo g_13 Member Posts: 435
    The innards of this

    little beast.

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  • leo g_13
    leo g_13 Member Posts: 435
    We went around

    a corner!

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  • leo g_13
    leo g_13 Member Posts: 435
    The header

    was a simple Alberta Custom T, with Dahl balancing valves. 2 zones total for 1400 square feet.

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  • Constantin
    Constantin Member Posts: 3,796
    Congrats on the install...

    Looks neat, space-saving, etc. Just wonder how anyone can afford electric heat these days... I like your style, Leo G., offering flexible solutions to homeowners is a great quality.
  • leo g_13
    leo g_13 Member Posts: 435
    C,

    I live in Vancouver, B.C. Hydro electricity here. If I remember right, we have the third lowest rate in all of North America. Actually, this set-up will be less expensive to run then a gas fired boiler, with a mixing valve. About the only gas fired boiler that can compete, is a 85%+ with a good tekmar like control, or the mod/con boiler. I just checked my records, my last 10 singular (not counting the townhouse project that is all Burnham 2' + tekmar) installs have been - 6 electrics, 2 Allieds c/w tekmar injection and 2 Munchies c/w Vision control.

    Thanx for comments C.

    Leo G

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  • Constantin
    Constantin Member Posts: 3,796
    Ah!

    Since you made a Allantown comment, I immeadiately thought this place was on Long Island. Now the world makes sense again!
  • RoosterBoy
    RoosterBoy Member Posts: 459


    what kinde of pex fittings are on that install
  • Patchogue Phil_28
    Patchogue Phil_28 Member Posts: 32
    Allen Town

    Allen Town is in Pennsylvania. Levittown is on Long Island. And also another Levittown in Pennsylvania.
  • Constantin
    Constantin Member Posts: 3,796
    Thanks for the correction...

    ... you're spot on, of course, I was typing too quickly and had focused on the L.I. Levittown. I had no idea that the Levittown/Allentown design had spread up as far as Canada or that Leo G. lives up there... Neat.
  • Patchogue Phil_28
    Patchogue Phil_28 Member Posts: 32
    Funny part...

    Funny part, I KNEW what you meant!

    I wonder if the OP meant Levittown?
  • pitman9
    pitman9 Member Posts: 74
    The circ electric box

    shouldn't be pointing down. Any other orientation is fine. All in all nice looking.

    I would suggest isolation valves on the circ. Especially since it's almost over the boiler.
  • Joe Brix
    Joe Brix Member Posts: 626
    Leo, just curious

    What was the BTU output of that unit? How many Amps? 208V single phase? Do you usually see 200AMP service(or better) where you are?
  • leo g_13
    leo g_13 Member Posts: 435
    I was wondering who would point that out!

    > shouldn't be pointing down. Any other

    > orientation is fine. All in all nice

    > looking.

    >

    > I would suggest isolation valves on

    > the circ. Especially since it's almost over the

    > boiler.





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  • leo g_13
    leo g_13 Member Posts: 435
    I believe

    that those fittings came from Vanguard. Though it doesn't seem to matter that much, from my experience, the wholesalers just supply whomever is the least expensive when they do their buy!

    If I remember right, those fittings were imported from Korea. I like them (so whenever the wholesaler has them, I buy as many as possible) because they have the rounded corners, so when I come across tight tubing, my hands don't get cut up trying to put the fittings in!

    Leo G

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  • leo g_13
    leo g_13 Member Posts: 435
    Joe,

    that would be 9 KW @ 37.5 Amps @ 240 Volt. We design to 19*F around here. Possibly another reason why electric boilers can work here.

    And yes, 200 amp services are becoming more common, especially in the McMansions.

    Leo G

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  • hr
    hr Member Posts: 6,106
    Thermolec

    is a nice simple electric heat source. the outdoor reset function is a bit course, but better than nothing. I've found you can also change element wattage to fine tune them to the load better.

    hot rod

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  • [Deleted User]
    [Deleted User] Posts: 0
    beautiful installation, Leo

    But I hope you have made provision for a return to fossil fuel when the artifically depressed electricity rates are cut loose after the next provincial election. The low electric rates that we see here at this time are simply not sustainable in the long run, given the market forces clamoring for our energy.

    Just a thought...
  • leo g_13
    leo g_13 Member Posts: 435
    Well Fred

    thanx for the kind words. I realize that our dams are getting a bit long toothed, but I am still of the opinion that our electrical rates will stay at least on par with NG. I can't see water running out in the near future! :)

    Leo G

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  • ScottMP
    ScottMP Member Posts: 5,883
    Leo

    I am not familair with electric boilers ( not here in MA ), does this boiler allow unlimited return water so that a mixing valve is not necessary ? No Boiler protection required ?

    I have to agree with the circulator location, especially since its located over a Electric Boiler. I would'nt want anything dripping on that. :)

    Scott

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  • [Deleted User]
    [Deleted User] Posts: 0
    no, the water won't run out, except in the raceways

    but the international (read protectionist) tolerance for our subsidized in BC rates will. As soon as we have to live with deregulated electricity costs, and you can bet that they are on their way, our rates will follow in Alberta's footsteps.

    Yes, I know our brothers make electricity with coal fires. It isn't the fuel source that drove their kW prices up though, it was the marketplace.

    When Mr. Premier and his ilk count up all of the tax revenue that is being foregone he and they will not be able to resist the lust for those dollars. Mark my words.

    Do resist the urge to dam another river though. Enough of the province has been irreperable damaged by flooding and habitat destruction already.

    JM not so HO
  • [Deleted User]
    [Deleted User] Posts: 0
    electric boilers generally are immune to condensation problem

    as are electric DHW tanks. No minimium bopiler protection is required as there is no open flame creating flue gases that can condense.
  • leo g_13
    leo g_13 Member Posts: 435
    Hey Scott,

    sorry it took so long to reply to you. As Fred mentioned, no condensation issues with an electric. This particular brand, Thermolec, are built in Quebec. As HR noted they have a simplistic outdoor reset feature. This one is set to run from a minimum of 104* to a maximum of 129*. The outdoor temp range is built in, from a low of 14* to a high of 50*. There are ten different settings that vary from 82/97 as the lowest setting, to 118/178 as the highest setting.

    Other electrics that I have used you just set the design temp and have the most basic of systems. Or you install a tekmar style control, but then have to set the boiler for higher then needed temps, so of course the boiler cycles like cray. With the Thermolec having the ability to "modulate" its heat output, I find that the boiler tends to run longer, use less energy and keep the home very comfortable.

    Leo G



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