Honeywell Thermal Solutions FSG L408J1009 Pressure and Limit Controller

The Honeywell Thermal Solutions FSG L408J1009 Pressure and Limit Controller is a reliable, diaphragm-operated control device designed for commercial heating systems. This adjustable subtractive differential model delivers precise pressure sensing across liquids, air, and gases, with an operating range of 0 to 16 oz/in² and a differential range of 2 to 16 oz/in², making it ideal for automatic limit control in demanding environments.

• Type: Adjustable Subtractive Differential; Diaphragm-operated
• Pressure ranges: Operating 0–16 oz/in²; Differential 2–16 oz/in²
• Media: Suitable for liquid, air, and gas pressure media
• Contacts: SPDT, 2 circuits; Rating includes 120V AC 8A full load, 48A locked rotor, 10A resistive; 240V AC 5.1A full load, 30.6A locked rotor, 5A resistive
• Electrical: 1/4" white/female threaded connection
• Mounting: 1/4" female threaded or surface mount
• Applications: Commercial automatic limit control and heating system control
• Certifications: UL and CSA approved
• Environment & finish: Gray finish with clear plastic cover; operating -35 to 150°F
• Dimensions: 4-1/2" W × 4-1/2" D × 5-1/8" H
• Switch operation: Auto Recycle; Make R-W / Break R-B on pressure rise

Engineered for dependable,Code-compliant performance, this controller supports robust commercial heating system safety and efficiency.