Honeywell Thermal Solutions FSG L4079W1000 Pressure and Limit Controller

The Honeywell FSG L4079W1000 Pressure and Limit Controller delivers reliable protection and precise pressure control for oil burner systems. This Honeywell FSG L4079W1000 Pressure and Limit Controller uses a diaphragm-based operator and differential switch to maintain safe operation with a trustworthy reset mechanism and robust UL approval.

Designed for air, gas, and fluid media, this controller handles 10 to 150 PSI with a 30 PSI differential, guarding against overpressure while providing easy field mounting and compact dimensions for tight installations.

• Operating pressure: 10–150 PSI
• Differential: 30 PSI
• Media: Air, Gas, Fluid
• Connection: 1/4" female threaded
• Contact configuration: SPST, 2 circuits; 120V AC 9.8A (full load), 58.8A (locked rotor); 240V AC 4.9A (full load), 29.4A (locked rotor)
• Approval: UL Listed
• Application: Oil burner system
• Switch operation: Manual Reset; Break On Pressure Rise
• Dimensions: 4-1/2" W x 3-1/2" D x 5" H
• Temperature rating: 150°F

Designed for dependable HVAC safety and burner protection, this controller blends performance with easy installation and long-term reliability.