Single stage pressure regulating, 1 in. NPT 120Volt diaphragm gas valve.
V4943/8943B, C, N are Single-stage Pressure Regulating Valve;These valves are used on boilers, unit heaters, duct furnaces, makeup air and rooftop heaters.
Features
- Designed for replacement for V4843/V8843;Gas Valves.
- Suitable for use on atmospheric boilers, commercial water heaters, and rooftop heaters.
- V4943/V8943B,C,N models are solenoid-operated diaphragm valves that combine the functions of safety shutoff and pressure regulation in a single unit.
- V4943/V8943B,N are for use with natural gas.
- V4943/V8943C are for use with LP gas.
- Valve body of die-cast aluminum with a straight-through pattern.
- V4943 are used with line voltage, on/off controllers; V8943 are used with 24 Vac thermostats or controllers;
- Valve closes on power failure; recommended for final shutoff service.
Product Specifications
- 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
- Materials
- Body--Aluminum
- Comments
- (2) 30" leadwires
- Mounting
- Upright (horizontal)
- Frequency
- 60 Hz
- Approvals, Underwriters Laboratories Inc.
- File No. MH1639, Guide No. YIOZ (60 Hz only)
- Approvals, CSA
- Certificate No. 158158-1042930, Guide No. 3302-01, 81 (Z21.21, Z21.78)
- 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
- 6.6 VA max
- Voltage
- 120 Vac
- Operating Temperature Range (F)
- -40 F to +150 F
- Operating Temperature Range (C)
- -40 C to +66 C
- Current Ratings
- 0.055 max amps at rated Vac/Hz
- Body Pattern
- Straight-through, non-offset
- Opening Characteristics
- Rapid Opening 1-stage
- Pressure Ratings (psi)
- 1/2 psi
- Pressure Ratings (kPa)
- 3.4 kPa
- Type of Fuel
- Natural
- Pipe Size (inch)
- 1 in.
- Pipe Size (DN)
- DN25
- Bleed Tapping
- 5/16-24 UNF
- Pilot Tapping
- 1/8-27 NPT
- Valve Opening Time
- 6 sec max
- Valve Closing Time
- 2 sec max
- Pressure Regulator Setpoint (in. wc)
- Adj. Range, High Fire-- 3 in. wc to 4.5 in. wc; Factory Setting, High Fire-- 3.5 in. wc