Suburban Furnace High Elevation Problems
Have an older (20+ years) NT-30SP Suburban furnace that works fine at home elevation of 5,200 ft but won't light at campsite elevations of +8,000 ft. Does this year in and out. At campsite all work...
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Try turning the LP regulator down a bit. Back out the adjustment about three full turns and try furnace. Might work, has for me a couple of times with the water heater. Don't forget to reset the same amount when you get home.
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Art.
