How do I calibrate the trip point

you must use the VS series valve body paired with a high-temperature rated actuator

The Lennox 86H55 Bearing Bracket is a critical OEM component designed for high-performance blower motor support and shaft alignment in residential and commercial Lennox air handlers and furnaces

this assembly is engineered to provide high-durability ignition in demanding residential and commercial applications

Weil McLain 511-330-095 Module Refrigerant How do I calibrate theThe 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