The Heil Quaker ICP 1320547 Limit Switch is a critical OEM safety component designed for precise thermal management in high-efficiency furnaces

this manual reset high pressure switch functions as a fail-safe to prevent compressor damage during over-pressure conditions

this replacement insert maintains the flow integrity required for 1/2" NPT gas lines in residential

How do I calibrate the trip point

The handwheel design allows for precise manual refrigerant flow control and positive shut-off in critical HVACR applications

Weil McLain 511-330-095 Module Refrigerant The Heil Quaker ICP 1320547The Weil McLain 511 330 095 is a 24 volt ignition sensing control module specifically engineered for Series 11 gas fired residential boilers. This OEM replacement part serves as the central logic for spark to pilot ignition sequences, integrating a damper Molex plug in to ensure synchronized operation between the venting system and the gas valve. Designed for drop in compatibility, this electronic ignition control is the direct substitute for service