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setting draft properly on burnham gas fired steam boiler

stevenknaub
stevenknaub Member Posts: 25
in Strictly Steam
Hi, I purchased a Dwyer Mark II barometric manometer. I installed a Field Controls MG1 barometric draft control. This is on a Burnham Independence IN-4 natural draft boiler. (not powered draft). A couple of questions I have:
1. is there a way to measure over fire draft?
2. what is the proper over fire draft?
3. what is the proper draft setting pre-draft control?
4. am I to use the "high" or the "low" fitting on the Dwyer manometer? (does the hose connect to the high or the low fitting?)
5. am I setting to a positive draft per the manometer, or a negative draft? (I have seen alot of contradictory information)
I am hoping you can assist. Is there a video available that may answer all or most questions?
thanks for any help you are willing to provide

Comments

  • ChrisJ
    ChrisJ Member Posts: 16,323
    @Tim McElwain
    @captainco

    Single pipe 392sqft system with an EG-40 rated for 325sqft and it's silent and balanced at all times.

  • Steamhead
    Steamhead Member Posts: 17,410
    Should already be a draft hood on that boiler..........
    All Steamed Up, Inc.
    Towson, MD, USA
    Steam, Vapor & Hot-Water Heating Specialists
    Oil & Gas Burner Service
    Consulting
  • EBEBRATT-Ed
    EBEBRATT-Ed Member Posts: 16,588
    Think your spinning your wheels. The independence is a natural draft boiler with a draft hood. I wouldn't use a barometric damper with it and there is no need to measure or adjust the draft...............unless you have some type of unusual condition like excessive chimney draft

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