BW 50gal MI5036FBN – High Altitude

Discussion in 'Water Heater Forum, Tanks' started by GasGuzz, Jan 27, 2010.

  1. GasGuzz

    GasGuzz New Member

    Dealer spec’d the Brad-Wht in the title.
    What makes a WH “high altitude�

  2. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    New England
    I'm guessing here, but I'd say it probably has either a different gas jet or a larger air intake or both. You need more volume of air for the same amount of gas to get the proper fuel/air mixture or it will run lean and shorten the life. The gas is under pressure, but the air pressure is lower, and thus less dense than at sea level. Used to be you'd need to fix your car for that, but with the advent of fuel injection, that's rarely the case anymore.
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