Honeywell V8944B1019 2 Stage Diaphragm Gas Valve
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.
Features
• 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.
Product Specifications
Description Diaphragm Gas Valve, two stage pressure regulating, Slow Opening, 1 in. NPT pipe size, 1/2 max. psi, 24 Vac
Valve Type Two-Stage, Slow Opening
Pipe Size (inch) 1 in.
Pipe Size (DN) DN25
Capacity (cfh) 300 cfh to 1000 cfh
Pilot Tapping 1/8-27 NPT
Pressure Ratings (psi) 1/2 psi
Pressure Ratings (kPa) 3.4 kPa
Type of Gas Natural
Valve Opening Time 3 sec to 25 sec
Valve Closing Time 2 sec max
Regulator Setpoints; Adj. Range, Low Fire 0.8 in. wc to 2 in. wc
Regulator Setpoints; Adj. Range, High Fire 3 in. wc to 4.5 in. wc
Bleed Tapping Two 5/16-24 UNF
Power Consumption 12.4 VA
Current (max amps at rated Vac/Hz) 0.5 amps
Regulator Setpoints; Factory Setting, Low Fire 0.8 in. wc
Regulator Setpoints; Factory Setting, High Fire 3.5 in. wc
Mounting Upright (horizontal)
Materials (Body) Aluminum
Voltage 24 Vac
Frequency 60 Hz
Operating Temperature Range (F) -40 F to +150 F
Operating Temperature Range (C) -40 C to +66 C
Electrical Connections 1/4 in. (6 mm) spade terminals (quick connects). 30 in. (762 mm) leadwires and cover for electrical conduit connection provided.
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
Body Pattern Straight-through, non-offset
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)
Comments (3) 30" leadwires
Honeywell V8944B1019 2 Stage Diaphragm Gas Valve |
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