By utilizing the 312100 head gasket during routine maintenance or head mechanism swaps (such as the 25A-HD)

The Lennox X2661 Humidifier Pad (Model WP2-18-1) is a critical maintenance component designed for high-efficiency moisture transfer in compatible Lennox power and bypass humidification systems

Note that this model features standard thermocouple threads and is not compatible with metric-threaded international valves

This Lennox furnace replacement part is the primary 52W29 flame sensor replacement for legacy models

Belimo SH10 Push Rod By utilizing the 312100 headThe Belimo SH10 Push Rod is a critical linkage component designed for heavy duty HVAC damper applications requiring precise motion transfer. Measuring 36 inches in length with a 3 8 inch diameter, this push rod is engineered to interface seamlessly with KG10A ball joints and universal crank arms. The high grade steel construction ensures minimal deflection and high torsional rigidity when translating actuator torque into linear force. This rod is