the T-4000-3141 provides a secure

this housing (also known as the 397H housing) serves as the primary containment for the draft inducer motor and blower wheel

meaning the valve opens as the temperature at the sensing bulb increases

Direct Replacement: Seamlessly replaces TST20009 and TST20009K without requiring harness modifications

Carrier EC36SZ063 Check Valve 320074-702 the T-4000-3141 provides a secureThe Carrier EC36SZ063 Check Valve is a critical directional control component designed for integration within high pressure refrigerant lines of Carrier residential and commercial HVAC units. Engineered to operate automatically based on system pressure differentials, this OEM check valve ensures that refrigerant flows strictly in one direction, preventing hazardous backflow that can lead to compressor slugging or thermal imbalances. With heavy duty