Honeywell, Inc. V8944B1019 1 inch Diaphragm Gas Valve, 24 Vac

• Designed for replacement for V4844/V8844 Gas Valves.
• Suitable for use on atmospheric boilers, commercial water heaters, and rooftop heaters.
• V4944/V8944B,C,L,N models are solenoid-operated diaphragm valves that combine the functions of safety shutoff and pressure regulation in a single unit.
• V4944/V8944B,N are for use with natural gas.
• V4944/V8944C,L are for use with LP gas.
• Valve body of die-cast aluminum with a straight-through pattern.
• V4944 are used with line voltage, dual-stage controllers; V8944 are used with 24 Vac dual-stage thermostats or controllers.
• Valve closes on power failure; recommended for final shutoff service.1 inch Diaphragm Gas Valve, 24 Vac

Valve Type Two-Stage, Slow Opening
Regulator Setpoints; Adj. Range, Low Fire 0.8 in. wc to 2 in. wc
Regulator Setpoints; Factory Setting, Low Fire 0.8 in. wc
Pilot Tapping 1/8-27 NPT
Overview V4944B,L,N/8944B,C,L,N are Two-stage Pressure Regulating Gas Valve. These valves are used on boilers, unit heaters, duct furnaces, makeup air and rooftop heaters.
List Price 693.27
Type of Gas Natural
Capacity (cfh) 300 cfh to 1000 cfh
Regulator Setpoints; Adj. Range, High Fire 3 in. wc to 4.5 in. wc
Valve Opening Time 3 sec to 25 sec
Bleed Tapping Two 5/16-24 UNF
Valve Closing Time 2 sec max
Current (max amps at rated Vac/Hz) 0.516 amps
Pipe Size (inch) 1 in.
Pipe Size (DN) DN25
Pressure Ratings (psi) 1/2 psi
Regulator Setpoints; Factory Setting, High Fire 3.5 in. wc
Pressure Ratings (kPa) 3.4 kPa
Body Pattern Straight-through, non-offset
Mounting Upright (horizontal)
Materials (Body) Aluminum
Comments (3) 30″ leadwires
Voltage 24 Vac
Frequency 60 Hz
Electrical Connections 1/4 in. (6 mm) spade terminals (quick connects). 30 in. (762 mm) leadwires and cover for electrical conduit connection provided.
Power Consumption 12.4 VA max
Operating Temperature Range (F) -40 F to +150 F
Operating Temperature Range (C) -40 C to +66 C
Dimensions (in.) 6 9/16 in. high x 6 in. wide x 6 in. deep
Dimensions (mm) 167 mm high x 152 mm wide x 152 mm deep
Approvals, Underwriters Laboratories Inc File No. MH1639, Guide No. YIOZ (60 Hz only)
Approvals, Canadian Standards Association Certificate No. 158158-1042930, Guide No. 3302-01, 81 (Z21.21, Z21.78)