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lgb 15-two stage

john_45
john_45 Member Posts: 3
in THE MAIN WALL
Has anyone ever used or put a two stage firing solution on an lgb 15...strikes me that this might be the best solution for my situation....which is that i am firing 4700 edr versus my own calc of 2700-3000...can't seem to find anyone to get to suburban philadelphia but will keep trying...Weil does apparently offer such a product...John

Comments

  • john_45
    john_45 Member Posts: 3
    lgb 15 steam question

    Has anyone ever used or put a two stage firing solution on an lgb 15...strikes me that this might be the best solution for my situation....which is that i am firing 4700 edr versus my own calc of 2700-3000...can't seem to find anyone to get to suburban philadelphia but will keep trying...Weil does apparently offer such a product...John
  • Boiler Guy
    Boiler Guy Member Posts: 585
    2 stage

    Been there, done that. I found I had to set the boiler to start up on high fire to always ensure the chimney was primed. After 2-3 mins I throttled back to low. Works fine but you have to make sure your air/fuel ratio is correct or you will have a problem with carboning up sometimes
  • john_45
    john_45 Member Posts: 3
    right Boilerpro...

    my thought is to run high for the first 8 minutes of a firing(to prime the chimney and generate steam) and then cycle back to low for the remainder of the 25 minute firing cycle....have you tried out weil's product...ant thoughts on whether it will save enough fuel to make it worthwhile?
  • SM
    SM Member Posts: 37
    Like more info. on why or why not use the hi/low fire

    My church has a LGB8 (steam heat) with 2 stage gas valve. Is there a energy savings to using the low fire and having the boiler run longer? Was think of adding another pressure for the second stage? Or what would be a better form of control for the second stage?
  • Mike Reavis_2
    Mike Reavis_2 Member Posts: 307
    the atmospheric LGB has an economical first

    cost and works well with the controls you mention. Heattimer makes a good control for this application. If you have a larger budget, use a wet-base boiler like the weil 80, or 88 with an lo-high low, or modulating burner. The Gordon-Piatt burner is the local favorite in the DC Metro area.
    Mike
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