Air Pressure Switch, 1.2" W.C.

Weil-McLain CGI6 Air Pressure Switch – Precision Monitoring for Reliable Boiler Operation

The Weil-McLain CGI6 Air Pressure Switch is a factory-specified replacement component designed to ensure proper airflow verification within Weil-McLain boiler systems. By monitoring pressure accurately, it provides a safety interlock that prevents burner operation under improper draft conditions, protecting both equipment and occupants.

Key Functions and Benefits

• Accurate Pressure Verification: Calibrated to maintain safe combustion by confirming airflow before burner ignition.
• System Protection: Shuts down operation if unsafe pressure conditions are detected, preventing potential hazards.
• Engineered Fit: Manufactured for Weil-McLain CGI6 boilers, ensuring seamless integration without field modifications.
• Long-Term Reliability: Built from durable materials to withstand temperature fluctuations and system cycling.

Technical Specifications

• Model: CGI6 Air Pressure Switch
• Setpoint: 1.20 in. W.C. (Water Column)
• Type: Single-pole air proving switch
• Application: Weil-McLain CGI6 boiler models

Installation Guidelines

Installation of the CGI6 Air Pressure Switch should be performed by a licensed HVAC technician or plumber. Proper tubing connections and electrical terminations are critical for accurate function. Field adjustments should not be made unless specified by Weil-McLain service documentation. Always verify operation through a complete ignition cycle after replacement.

Professional Notes

For Contractors: This switch is a direct-fit OEM replacement, reducing downtime and ensuring compliance with Weil-McLain specifications. Its calibrated setpoint minimizes nuisance lockouts while maintaining system safety.

For Service Crews: Keep this pressure switch on hand during scheduled boiler maintenance or troubleshooting. It provides a fast, reliable solution when diagnosing pressure-related ignition issues.

Summary

The Weil-McLain CGI6 Air Pressure Switch is an essential safety and performance component for CGI6 boilers. With its precise calibration, durable design, and direct compatibility, it supports consistent, code-compliant heating system operation.