Description
Overview
The Honeywell V4943B1019 is a single-stage pressure regulating valve engineered for reliable natural gas flow control in commercial and industrial HVAC applications. Featuring a 1″ pipe connection and 120VAC operation, this valve delivers precise pressure regulation with a factory-set output of 3.5″ water column, making it ready for immediate installation with minimal field adjustment.
Key Features
- Single-stage pressure regulating valve design for consistent downstream gas pressure
- 1″ pipe connection for straightforward integration into standard gas train assemblies
- 120VAC operating voltage for compatibility with common commercial control circuits
- Natural gas service — optimized for NG fuel systems
- High fire regulator setpoints adjustable from 3″ to 4.5″ water column
- Factory-set outlet pressure of 3.5″ water column for out-of-the-box convenience
- Flow capacity range of 300–1,000 CFH to accommodate a wide variety of burner applications
- Valve opening time of 3–25 seconds (field adjustable) for controlled, safe light-off sequences
- Maximum valve closing time of 2 seconds for fast, reliable shutoff
Specifications
- SKU: V4943B1019
- Brand: Honeywell
- Valve Type: Single Stage Pressure Regulating
- Pipe Size: 1″
- Voltage: 120VAC
- Gas Type: Natural Gas
- High Fire Regulator Setpoints: 3″ – 4.5″ Water Column
- Factory Outlet Pressure Setting: 3.5″ Water Column
- Flow Capacity: 300 – 1,000 CFH
- Valve Opening Time: 3 – 25 Seconds
- Maximum Valve Closing Time: 2 Seconds
Applications
Ideal for use in commercial boilers, industrial burners, rooftop units, and other gas-fired HVAC equipment requiring precise pressure regulation and controlled valve sequencing. The adjustable opening time allows technicians to fine-tune the light-off sequence for optimal combustion safety and efficiency.
