Advanced Distributor Products 176799953 Piston R-448A If the mounting bracket shows

If the mounting bracket shows signs of metal fatigue

full port configurations

This genuine water heater burner assembly ensures clean ignition and reduces carbon buildup in the combustion chamber

This replacement cover is compatible with several Monterey wall furnace models

preserving the integrity of thin-walled heat exchanger tubes

Advanced Distributor Products 176799953 Piston R-448A If the mounting bracket showsThe 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