pdf HSB-aXis-combined-IM-english […] in. NPT Fuel Supply Pressure 10 – 12 inch-H20 (2.5 – 3.0 kPa W.C.) 5 – 7 inch-H2O (1.2 – 1.7 kPa W.C.) Maximum flow rate @ 14kW 10 .1 l / h r 5.3 m 3/hr Nominal Fuel Rating LPG 2500 BTU/ft 3 NG1000 BTU/ft 3 22-kW (Model 100304) Fuel System Requirements LPG […] 24,561KB