Honeywell Thermal Solutions FSG V8943B1010 Diaphragm Gas Valve

The FSG V8943B1010 Diaphragm Gas Valve is a precision 1‑inch, solenoid‑operated valve designed for reliable control in atmospheric boilers, commercial water makeup air systems, rooftop heaters, and duct furnaces. Built with a rugged die‑cast aluminum body, it features threaded x threaded end connections and a compact 6 in W × 6 in D × 6-9/16 in H footprint for easy installation. This valve provides controlled opening (3–25 seconds) and closing (2 seconds), with a temperature range from -40 to 150 °F and a maximum pressure rating of 1/2 PSI. It operates on 24V AC (60 Hz) with a 0.363 A draw and 9 VA of power, and includes automated position indication for straightforward system integration. UL and CSA listed ensure compliance with safety standards, while upright mounting supports versatile installation in furnaces and air handlers.

• Nominal size: 1 inch; End connections: Threaded x Threaded
• Valve type: 1‑Stage, Slow Opening, Straight‑Through, Non‑Offset; Operation: Solenoid Operated
• Electrical: 24V AC, 60 Hz; Current: 0.363 A; Power: 9 VA; Terminals: 1/4" spade, (2) 30" lead wires
• Materials & size: Die‑Cast Aluminum body; Overall dimensions: 6 in W × 6 in D × 6-9/16 in H; Mounting: Upright
• Performance: -40 to 150 °F; Pressure: 1/2 PSI; Pressure regulator set point: 3.5 in WC High Fire
• Applications & standards: Atmospheric boiler, commercial makeup air, rooftop heater, duct furnace; Certifications: UL, CSA; Fuel: Natural