Honeywell Thermal Solutions FSG L91A1052 Pressure Controller

The Honeywell Thermal Solutions FSG L91A1052 Pressure Controller is a differential pressure control device designed for precise modulating pressure control across steam, air, gas, and non‑corrosive fluids. Featuring a brass bellows operator, this unit delivers reliable, repeatable performance in demanding environments and carries UL, CSA, and Swiss RE approvals for peace of mind. Its compact form fits tight spaces while delivering robust control for a wide range of applications.

• Operating range: 5–150 PSI
• Max line pressure: 225 PSI
• Differential pressure: 5 PSI
• Pressure media: Steam, air, gas, fluids
• Connection: 1/4" female threaded
• Application: Modulating pressure control for liquids, air, non‑corrosive gas
• Approvals: UL, CSA, Swiss RE
• Dimensions: 4-1/2" W × 2-3/4" D × 5-3/4" H
• Electrical connection: Screw terminals
• Modulation output: 140 Ω single potentiometer