the 664349R provides seamless backward compatibility and enhanced mechanical reliability

Operating on a 24V AC coil

Engineered with a robust bronze body (ASTM B584)

Is this compatible with older 9000796005 models

Advanced Distributor Products 176799953 Piston 321142-301 the 664349R provides seamless backwardThe ADP 176799953 is a precision engineered #53 ton piston designed for reliable refrigerant metering in residential HVAC systems. Also known as a fixed orifice metering device, this genuine ADP replacement part is critical for maintaining the correct pressure drop between the high and low sides of the cooling circuit. Specifically sized for 1. 5 ton R22 or 2 ton R410A evaporator coils, it ensures the optimal flow of refrigerant to maximize heat