Honeywell Thermal Solutions FSG V4943B1035 Diaphragm Gas ValveThe Diaphragm Gas Valve from Honeywell Thermal Solutions, model FSG V4943B1035, is a robust, solenoid operated valve designed for atmospheric boilers, commercial water makeup air, rooftop heaters, and duct furnaces. This 1 1 2 inch, Type 1 Stage, Slow Opening, Straight Through, Non Offset valve features threaded end connections and a die cast aluminum body, providing dependable performance from 40 to 150F at up to 1 2 psi natural gas. UL CSA listed

efficient performance

Designed as a relay module

Low Pressure Steam

it supports vertical mounting and comes with a NEMA 4 enclosed housing to resist dust and moisture in commercial or industrial environments

Engineered for dependable performance across varying furnace speeds and temperatures

it supports consistent safety interlocks and process control while integrating smoothly into existing automation systems

saving time during maintenance

Whether you are performing routine maintenance or replacing a faulty switch

and CRN 20 models

This gas control valve delivers precise flame regulation and safe operation when used with Defender Safety System-equipped units

Protective rubber boot enhances grip and durability on rugged jobsites

The compact design integrates smoothly with existing wiring and sensor harnesses