Common Questions What capacitor is required for the Lennox 76K03

and AV-293 valve linkage kits

How do I verify if this valve meets my boiler's code requirements

Mid-Point Grounding: Optimized for standard oil burner safety circuits and traditional ignition leads

Common Questions from the Field Is the HPC-165-S-HH a direct replacement for S1-404281

Lennox 10W77 Expansion Valve 323080-701 Common Questions What capacitor isThe Lennox 10W77 Expansion Valve is a critical OEM R 22 expansion valve designed for precise refrigerant metering in residential and commercial cooling systems. This thermostatic expansion valve (TXV) includes an internal check valve, making it a direct replacement for heat pump applications and air conditioning units. Engineered by Parker for Lennox, the 10W77 regulates flow based on evaporator load to prevent slugging and optimize superheat levels.