This comprehensive kit addresses common ignition failures and combustion instability by providing a complete burner assembly overhaul

The Robertshaw 41-408 Hot Surface Ignitor is a high-performance silicon carbide furnace igniter engineered for precision in HVAC gas ignition systems

meaning it requires power to both open and close the damper

Durable Construction: Engineered to resist diaphragm fatigue and electrical contact pitting for long-term cycling

With its 2-speed capability (1050/985 RPM)

Lennox 12J41 TXV R-407A This comprehensive kit addresses commonFor veteran technicians looking to restore factory spec refrigerant metering, the Lennox 12J41 TXV (also identified as model 103366 13) is the precise OEM solution for R 410A systems. This thermostatic expansion valve is engineered for 3 ton (and some 3. 5 ton) outdoor units, featuring a 3 8" ODM inlet and a 1 2" ODF outlet. Unlike standard non bleed valves, this unit includes a 5% bleed port, which assists in pressure equalization during the off