the HK02ZB044 maintains the exact operating tolerances required to keep systems running within manufacturer specifications

corrosion-resistant protective sleeve for temperature sensors

this 70-ohm resistance control provides the reliable switching required to protect the reversing valve and auxiliary heat circuits during extreme cold-weather operations

this specific model is designed with a 1/4-inch hub bore

Direct-Mount Design: The included stainless steel clamp ensures a tight

Lennox 13W52 Expansion Valve Freon the HK02ZB044 maintains the exactThe Lennox 13W52 Expansion Valve (OEM part 100481 04) is a high precision thermostatic expansion valve (TXV) engineered specifically for R 22 refrigerant systems. As a veteran grade HVAC replacement part, this Lennox TXV with check valve ensures consistent superheat levels and protects the compressor from liquid slugging by maintaining a tight tolerance on refrigerant flow into the evaporator. Constructed with a 3 8 inch inlet and a 1 2 inch outlet,