479 East 186th Street Bronx, N.Y.  10458

Monday - Friday 7am-5pm  Saturday 8am-3pm

Price: $185.00

    Item #: V4943A1011
    Availability: In stock
    Usually ships In 1-2 Business days
    In stock Quantity: 2

    1 in. NPT N.C. 120Volt Diaphragm Gas Valve.

    V4943A/V8943A are on/off diaphram gas valve used on boilers, unit heaters, duct furnaces, makeup air and rooftop heaters.


    • Designed for replacement for V4843A/V8843A Gas Valves.
    • Suitable for use on atmospheric boilers, commercial water heaters, and rooftop heaters.
    • V8943A/V4943A models are solenoid-operated diaphragm valves for on/off flow control of natural or LP gas.
    • Valve body of die-cast aluminum with a straight-through pattern.
    • V4943 are used with line voltage, on/off controllers; V8943A 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
    (2) 30" leadwires
    Upright (horizontal)
    60 Hz
    Approvals, Underwriters Laboratories Inc.
    File No. MH1639, Guide No. YIOZ (60 Hz only)
    Approvals, CSA
    Certificate No. 158158-1042930, Guide No. 3371-03, 83 (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 VA max
    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 On-Off
    Pressure Ratings (psi)
    1/2 psi
    Pressure Ratings (kPa)
    3.4 kPa
    Type of Fuel
    Natural; LP
    Pipe Size (inch)
    1 in.
    Pipe Size (DN)
    Bleed Tapping
    Internal Bleed
    Pilot Tapping
    1/8-27 NPT
    Valve Opening Time
    6 sec max
    Valve Closing Time
    3 sec max