Burnham Independence IN3 User's Manual
Contents
1. Burnham Independence Gas Fired Boiler MINIMUM a ee oe RECOMMENDED I B R RATING 2 E APPROX CHIMNEY SIZE SHIPPING ROUND BOILER INPUT CAPACITY WATER STEAM STEAM WEIGHT Dia In x Ht Ft NUMBER MBH D MBH 1 2 MBH MBH SQ FT WATER STEAM WATER STEAM LBS 4 5 IN10 3 IN11 3 IN12 4x 15 5x 15 6x 15 6 x 15 5 7x 15 7 x 15 5 8 x 15 GROSS nm yn GROSS OUTPUT COMBUSTION EFFICIENCY MBH WTR STEAM 83 5 82 5 8x15 5 83 5 82 5 9x15 83 5 82 5 9x15 LP available on IN3 IN9 3 4 9 Ratings shown are for installations at sea level and elevations up to 2 000 ft For elevations above 2 000 ft ratings should be reduced at the rate of four percent 4 for each 1 000 ft above sea level Capacities outputs and ratings are based on steam combustion efficiency of 82 5 Water combustion efficiency is 83 5 For Canadian builds only Reduce input and output and by 3 15 ft height is measured from top of drafthood to top of chimney IN6 IN8 amp IN10 Canada only Increase chimney diameter by 1 Working Pressure 15 PSI Steam 30 PSI Water
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