Description
8944N1020 Diaphragm Gas Valve
Two-Stage Pressure Regulating, Rapid Opening, 1-1/4" NPT, Natural Gas, 24 Vac, 1600 CFH
The V8944N1020 is part of the V4944/V8944B,C,L,N series — a family of two-stage pressure regulating gas valves designed for reliability and flexibility across a wide range of commercial and industrial heating applications. These solenoid-operated diaphragm valves combine safety shutoff and pressure regulation into a single compact assembly.
Key Features
-
Two-stage regulation provides both high and low fire control in one valve
-
Replaces older V4844/V8844 series for easy retrofit or upgrade
-
Die-cast aluminum body with straight-through (non-offset) flow design
-
Available for natural gas (B, N) and LP gas (C, L) models
-
V8944 models operate on 24 Vac thermostats or controllers
-
Solenoid-operated diaphragm closes on power failure for safety
-
Factory-preset high and low fire regulator setpoints; field adjustable
-
Designed for use in demanding environments down to -40°F
-
Horizontal upright mounting with pilot tapping and bleed tappings
-
Built-in 1/4" spade terminals and 30" leadwires for wiring convenience
Technical Specifications
| Specification | Value |
|---|---|
| Valve Type | Two-Stage, Rapid Opening |
| Pipe Size | 1-1/4" NPT |
| Voltage | 24 Vac |
| Fuel | Natural Gas (B, N models) |
| Inlet Pressure (Max) | 1/2 psi |
| Capacity | 480 – 1600 CFH |
| High Fire Setpoint | 3" – 4.5" W.C. (Factory: 3.5") |
| Low Fire Setpoint | 0.8" – 2" W.C. (Factory: 0.8") |
| Valve Opening Time | ≤ 6 seconds |
| Valve Closing Time | ≤ 2 seconds |
| Pilot Tapping | 1/8" NPT |
| Bleed Tappings | (2) 5/16"-24 UNF |
| Electrical Termination | 1/4" Spade Terminals + (3) 30" Leads |
| Body Material | Aluminum |
| Mounting Orientation | Horizontal, Upright |
| Operating Temp Range | -40°F to 150°F |
Compatible Models
-
Natural Gas: V4944B/N, V8944B/N
-
LP Gas: V4944C/L, V8944C/L
-
Designed as a replacement for older V4844 and V8844 models
Ideal Applications
-
Atmospheric or power burners in commercial heating
-
Boilers, unit heaters, duct furnaces
-
Make-up air units and rooftop heaters
-
Retrofit gas valve upgrades with modern 2-stage control
-
Systems requiring stable combustion and smooth light-off
