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7158
Appendices
Reference Guide for Water Heating
Oil BTUs
1 Gal. #1 Fuel = 136,000
1 Gal. #2 Fuel = 138,500
1 Gal. #3 Fuel = 141,000
1 Gal. #5 Fuel = 148,500
1 Gal. #6 Fuel = 152,000
1 lb. of Gas = 28" Water Column
1 lb. of Gas = 16 oz.
100 Cu. Ft. = 1 therm.
Conversions
Multiply By To Obtain
BTU/HR 0.293 W
Ft. 0.3048 m
Ft./min., fpm 0.00508 m/s
Ft.
2
0.0929 m
2
Ft.
3
0.0283 m
3
Gallon (U.S. 231 in
3
) 3.79 L
Gallon 0.00379 m
3
Horsepower (boiler) 9.81 KW
Inch 25.4 mm
Mile 1.61 km
Pound lb. (mass) 0.454 kg
Psi 6.89 kPa
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