The Lennox 56L56 LP Orifice is a high-precision tapered orifice engineered for liquid propane (LP) conversion and gas flow regulation in residential heating systems

maintaining the same physical dimensions for seamless field retrofits

The Zonefirst ZDB-10X18 is a professional-grade 10HX18W Parallel 24V rectangular zone damper designed for heavy-duty HVAC airflow management

Technicians typically observe abnormal suction pressures

What causes this ignitor assembly to fail prematurely

Carrier EA02SC426 TXV 320735-701 The Lennox 56L56 LP OrificeThe Carrier EA02SC426 is a professional grade 8 ton thermostatic expansion valve engineered for precise refrigerant metering in high capacity light commercial and residential split systems. As a 5 8" ODF solder inlet bi metal component, this TXV valve is designed to maintain the hit on superheat required for R 22 and other compatible refrigerants like R 134a and R 404A. Technicians trust this factory authorized part for its ability to modulate flow