Honeywell Thermal Solutions FSG V8944B1035 Diaphragm Gas Valve

The Diaphragm Gas Valve from Honeywell Thermal Solutions is a reliable, solenoid operated control valve designed for atmospheric boilers, commercial makeup air, and rooftop heaters. The FSG V8944B1035 features a 1-1/2 inch nominal size with threaded end connections and a straight-through, non-offset flow path for smooth operation. Built with a rugged die-cast aluminum body, it offers durability and light weight, while an automated position indicator provides quick status at a glance. This valve runs on 24V AC (60 Hz) and draws about 0.516 A, delivering dependable control in tight installation spaces.

Designed for natural gas applications, it is UL and CSA listed for safety and compatibility. Key performance and installation details include compact dimensions, upright mounting, and serviceability that fits a range of commercial HVAC and energy systems.

• 1-1/2" nominal size with threaded end connections for easy installation
• 2-stage slow-opening design with precise 24V AC solenoid operation
• Automated position indicator and upright mounting for quick setup
• UL and CSA listed for natural gas in commercial boilers, rooftop heaters
• Open timing 3–25 seconds; close timing 2 seconds; -40 to 150°F operating range
• Pressure range up to 1/2 psi; regulator set points 0.8–3.5 inch WC
• End-to-end distance 6"; overall 6" W x 6" D x 7-3/8" H
• Electrical: 1/4" spade terminals, three 30" lead wires; 24V AC, 60 Hz, 0.516 A