or evaporator frosting when a TXV is stuck closed

Verify the model number on your valve body casting or nameplate to ensure compatibility with models 90

This solenoid valve maintenance solution includes the essential internal components—diaphragm assemblies

Precision Control: Features a three-pipe configuration for distinct heating and cooling control signals via air pressure modulation

Carrier HD46AR251 Blower Motor 320788-703 or evaporator frosting when aThe Carrier HD46AR251 Blower Motor is a high performance ECM X13 motor designed for direct drive heating and cooling applications. Operating at 3 4 HP, this electronically commutated motor delivers a maximum airflow of 1750 CFM and runs at a nominal 1050 RPM. Built for efficiency, it features a single phase design, 208 230V compatibility, and a 48 frame housing. The counter clockwise (CCW) rotation and 1 2 inch shaft diameter make it a standard OEM