Technicians often identify a failed HTR2978 when the system blower runs but the air remains at ambient temperature during a call for stage 2 heating

While a higher HP motor can often handle the load of a lower HP motor

smooth mechanical operation

Universal Mounting: Compact 700 Series body allows for flexible installation in tight cabinets

Carrier EA02DZ454 TXV THPU32HP7Y Technicians often identify a failedThe Carrier EA02DZ454 is a thermostatic expansion valve designed for precise refrigerant metering in high capacity residential and commercial cooling systems. This R22 expansion valve is also fully compatible with R407C refrigerant, making it a critical component for retrofits and repairs on older equipment. Featuring a 5 8 x 7 8 ODF connection, the EA02DZ454 serves as the direct Carrier EA02DZ450 replacement, ensuring seamless integration into