Utilizing a genuine Lennox harness ensures the circuit maintains the exact impedance required by the furnace's sensitive diagnostic controls

Cross-referencing the 78P26 replacement part number ensures proper mounting and electrical harness alignment

the AT-1103 wire guard is purpose-built to fit a wide range of pneumatic and electronic room thermostats

this R410A expansion valve provides the reliability needed for long-term energy efficiency

cold flues

Utica-Dunkirk 240007072 Coil Gasket 320788-704 Utilizing a genuine Lennox harnessEnsure a reliable, high temperature seal for your hydronic heating equipment with the Utica Dunkirk 240007072 Coil Gasket. Specifically engineered for the Starfire SW Series II, this OEM replacement gasket is critical for maintaining the pressure boundary in models including the SW3065, SW4100, and SW5125. As a veteran technician knows, a compromised gasket at the tankless coil interface leads to efficiency loss and potential water damage. This HVAC