Utilizing this Lennox furnace control board ensures the system maintains its original engineering standards for reliable startup and diagnostic monitoring during the heating cycle

the SP155-009 provides independent heating and cooling setpoints

which then connects to a ball joint and push-rod assembly (sold separately) to drive the crankarm mounted on the damper shaft

the R32190 delivers the specifications required for seamless integration and peak mechanical performance

The Resideo WT8840B1500 Gas Valve is a professional-grade standing pilot water heater control designed to replace legacy WV8840 series valves

Laars Heating Systems E0253400 Ignition Module 322056-301 Utilizing this Lennox furnace controlThe Laars E0253400 Ignition Module is a critical field service replacement part designed for precise combustion control in MightyTherm2 series boilers and volume water heaters. This 24V ignition control manages the startup sequence with a 15 second pre purge (15sPP) to clear the combustion chamber and a 7 second trial for ignition (7sTFI), ensuring high reliability flame establishment. This module is engineered to provide stable Direct Spark Ignition