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DanHolohan
DanHolohan Member, Moderator, Administrator Posts: 16,526
in THE MAIN WALL
<a href="http://www.heatinghelp.com/article-categories/310/Dahl-Valves">http://www.heatinghelp.com/article-categories/310/Dahl-Valves</a>
Retired and loving it.

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  • Alan (California Radiant) Forbes
    Alan (California Radiant) Forbes Member Posts: 4,004
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    Dahl

    I love Dahl products.  A little bit more expensive, but worth the cost.
    8.33 lbs./gal. x 60 min./hr. x 20°ΔT = 10,000 BTU's/hour

    Two btu per sq ft for degree difference for a slab
  • DanHolohan
    DanHolohan Member, Moderator, Administrator Posts: 16,526
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    They just started sending me press releases.

    I'm glad they did. Got all of these at the same time. 
    Retired and loving it.
  • Alan (California Radiant) Forbes
    Alan (California Radiant) Forbes Member Posts: 4,004
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    Dahl

    I remember them from trade shows.  They had a big table full of their valves; a big pile of them, stacked high and they were free for the taking. 



    And at the time, they bragged that they never had a stem packing leak.  Unbelieving me, I started using them and now I can say that I've never had a stem packing leak since using them.
    8.33 lbs./gal. x 60 min./hr. x 20°ΔT = 10,000 BTU's/hour

    Two btu per sq ft for degree difference for a slab
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