Boiler Horsepower * 0.069 = Gallons of Water Per Minute (GPM)

Sq Ft of EDR * 0.000637 = Gallons of Water Per Minute (GPM)

Boiler Horsepower * 33,479 = BTU

Boiler Horsepower * 108 = Equivalent Direct Radiation (EDR)

Lbs per Sq In * 2.31 = Feet of Water

Lbs per Sq In * 2.036 = Inches of Mercury

Feet of Water (Head) * 0.4335 = Pounds per Sq In

Inches of Mercury * 13.6 = Inches of Water Column

Gallons of Water * 8.34 = Pounds of Water

Cubic Feet of Water * 7.48 = Gallons of Water

Cubic Feet per Minute * 62.43 Pounds of Water per Minutes

Cubic Feet per mInute * 448.8 = Gallons per Hour

Pounds of Condensate x 4 = Sq Ft EDR

EDR/ 1000 * 0.5 = Evaporation Rate Gallons per minute (GPM)

Pounds of Steam/hr / 500 = Evaporation Rate Gallons per minute (GPM)