Replacement Bottle Heater Element for P/N 16164NOS & 14169NOS 12 volt DC - Fits 10 and 15 lbs. bottles. NOS systems are calibrated for optimum performance with a bottle pressure of 900- 950 psi. The pressure will change with temperature.. Thermostat and relay are sold separately. For a complete bottle heater kit - use part number 14164NOS or 14169NOS.
