Honeywell Thermal Solutions FSG L4079A1035 Pressure and Limit Controller

Pressure and Limit Controller for steam, air, and non-corrosive fluids—the Honeywell Thermal Solutions FSG L4079A1035 provides precise protection for boilers and process lines. This differential, diaphragm-operated controller is engineered for a 2 to 15 PSI operating range, a 25 PSI maximum line pressure, and a 3 PSI differential, ensuring tight control and safety.

Designed for reliability and easy installation, it features SPST 2-circuit contacts, UL approval, and a manual reset that breaks on pressure rise.

• Type: Differential pressure, diaphragm-operated
• Operating range: 2–15 PSI; max line pressure 25 PSI; differential 3 PSI
• Media: Steam, Air, Non-Combustible Gas or Non-Corrosive Fluid
• Electrical: SPST 2-circuit; UL approved; Ratings: 9.8A full load @120V; 58.8A locked rotor @120V; 4.9A full load @240V; 29.4A locked rotor @240V
• Connection & mounting: 1/4 inch female thread; mounting options: threaded or surface mount
• Operation: Manual reset; break on pressure rise
• Temperature rating: 150°F