Description
Honeywell V4943A1045 On/Off Diaphragm Gas Valve Overview
The Honeywell V4943A1045 is a heavy-duty on/off diaphragm gas valve engineered for reliable fuel shutoff control in commercial and industrial gas-fired heating applications. With a 2″ body size and a rated capacity of 3,000 CFH, this valve delivers the flow performance required for high-demand burner systems. Powered by a 120VAC operator, it integrates seamlessly with standard line-voltage control circuits.
Key Features
- Valve Type: On/Off Diaphragm Gas Valve
- Body Size: 2″
- Flow Capacity: 3,000 CFH
- Operating Voltage: 120VAC
- Flow Configuration: Straight-through, non-offset body for minimal pressure drop
- Pilot Tapping: 1/8″-27 NPT for easy pilot gas connection
- Pressure Rating: 1/2 PSI maximum inlet pressure
- Mounting Position: Upright or horizontal mounting flexibility
- Opening Action: Rapid opening for fast response
- Bleed Type: Internal bleed — no external bleed line required
- Maximum Valve Opening Time: 6 seconds
Application & Benefits
The straight-through, non-offset body design minimizes turbulence and pressure drop across the valve, making it well-suited for high-flow commercial burner trains. The rapid-opening action ensures quick fuel delivery upon demand, while the internal bleed design simplifies installation by eliminating the need for an external bleed line. The 1/8″-27 NPT pilot tapping port allows direct connection of a pilot gas supply without additional fittings. Upright and horizontal mounting compatibility provides installation flexibility across a wide range of equipment configurations.
Specifications
- SKU: V4943A1045
- Brand: Honeywell
- Valve Action: On/Off
- Actuator Type: Diaphragm
- Pipe Size: 2″
- Voltage: 120VAC
- Flow Capacity: 3,000 CFH
- Flow Path: Straight Through, Non-Offset
- Pilot Tapping: 1/8″-27 NPT
- Inlet Pressure Rating: 1/2 PSI
- Mounting: Upright / Horizontal
- Opening Characteristic: Rapid Opening
- Bleed: Internal Bleed
- Maximum Opening Time: 6 Seconds
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