Honeywell V4944B1059 Gas Valve

The Honeywell V4944B1059 Gas Valve is an industrial-grade, two-stage pressure regulating gas valve designed for commercial burners and atmospheric boilers. Engineered for natural gas applications, this 1-inch NPT valve features a high-fire regulator range of 3" to 4.5" W.C. and a low-fire range of 0.8" to 2" W.C., allowing for precise fuel-to-air ratio control. With a 300-1000 CFH capacity and a slow-opening profile (3 to 25 seconds), it effectively prevents hard starts and flame rollout. The 120Vac solenoid-actuated design ensures a rapid shutdown with a maximum closing time of 2 seconds. Built with a rugged aluminum body and rated for 1/2 PSI, it supports upright horizontal mounting and includes two 5/16" UNF bleed tappings for easier field commissioning. As a direct replacement for VAL2872, this unit integrates seamlessly into legacy systems using the 1/4" spade terminals and 30-inch leadwires. It maintains reliable operation across a wide temperature range of -40 to 150 degrees Fahrenheit.

Technical Specifications & Benefits

• Slow opening gas valve design minimizes thermal shock to the heat exchanger during startup.
• 120Vac gas valve compatibility ensures seamless integration with standard commercial burner controllers.
• Integrated 1/8" pilot tapping allows for reliable intermittent pilot ignition or standing pilot configurations.
• High-capacity 1" NPT straight-through flow pattern reduces pressure drop in high-demand HVACR systems.
• Precision dual-stage regulation provides stable manifold pressure for consistent combustion efficiency.

Common Questions

Can the V4944B1059 be mounted in any orientation?
No, for proper regulator function and to prevent debris accumulation in the actuator, this valve must be installed in an upright horizontal mounting position.

Is this valve compatible with Propane (LP) gas?
This specific model is configured for natural gas. Conversion would require a specific Honeywell LP conversion kit tailored for the V4944 series regulators.

What are the timing specs for the slow-opening feature?
The valve is engineered to reach full flow within 3 to 25 seconds, while featuring a safety-critical 2-second maximum closing time for immediate flame extinction upon limit trip.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.