H/W 1 NPT .05-1ST. 3.5 2ND

- Two Stage Pressure Regulating Gas Valve - 1" Pipe Size - 24V - 3 to 4.5 WC - High Fire Regulator Setpoints, 3.5" Water Column - Low Fire Regulator Setpoints, 0.8" Water Column - Natural Gas, 300-1000 Cfh - 3 to 25 Second Valve Opening Time - 2 Second Maximum Valve Closing Time - Straight Through - 1/8" Pilot Tapping - 1/2 PSI Rating - Upright Horizontal Mounting - Two 5/16" Unf Bleed Tapping's - Operating Temperature -40 to 150 F - Aluminum Body - 1/4" Spade Terminals with Three 30" Lead wires Features - Models are available for natural or liquid petroleum (LP) gases. - Valve models L, N are rapid opening (less than six seconds) and fast closing, and are available for LP and natural gases, respectively. - Line voltage with two-wire thermostat or controller is used with V4943; V8943 is used with 24V thermostat or controller. - V4944 is used with line voltage dual-stage thermostat or controller; V8944 is used with 24V dual-stage thermostat or controller. - Slow opening B,C valve models are available for natural and LP gases respectively. - Valve closes on power failure; recommended for final shutoff service. - Valve closing time: 2 seconds maximum at 7 inches wc inlet pressure. - Valves rated for 0.5 pound per square inch (psi) (3.4 kPa). - Lead Wires and cover for electrical conduit connections are provided. The V4943/V8943B and N (single stage) and V4944/V8944B and N (two stage) are solenoid-operated diaphragm valves suitable for natural gas only. The V4943/V8943C and V4944/V8944C and L are solenoid-operated diaphragm valves suitable for Liquefied Petroleum (LP) gas only. These valves are used on boilers, unit heaters, duct furnaces, makeup air and rooftop heaters.