Carrier 340620-720 TXV Kit Replacement
The Carrier 340620-720 TXV Kit is a genuine OEM thermal expansion valve engineered for precise refrigerant metering in high-performance HVAC systems. This Carrier TXV replacement part is the direct logistical successor to the 340620-755, ensuring a drop-in fit for technicians servicing Carrier DU50HFA units and specific NRTP series evaporator coils. Unlike generic alternatives, this HVAC refrigerant valve maintains the exact superheat settings required to protect the compressor from liquid slugging while maximizing heat transfer across the evaporator. By regulating the precise mass flow of refrigerant based on cooling load, it stabilizes system pressures and prevents coil icing during low-ambient or high-load conditions.
Key Benefits for Technicians:
- Direct OEM Compatibility: Serves as the factory-specified 340620-720 replacement for seamless integration into Carrier, Bryant, and Payne equipment.
- Optimized System Pressure: Maintains consistent superheat to ensure the compressor operates within its designed envelope, reducing mechanical fatigue.
- Enhanced Thermal Regulation: Features a responsive sensing bulb and diaphragm assembly for accurate refrigerant modulation.
- Replaces Obsolete Components: Specifically replaces part number 340620-755, resolving inventory and compatibility gaps in older HVAC systems.
Common Questions:
Does this TXV kit include the sensing bulb and mounting hardware?
Yes, this thermal expansion valve kit is a comprehensive OEM package designed for a complete field replacement, ensuring the sensing bulb is properly matched to the valve’s internal orifice.
Can I use this valve with R-410A refrigerant?
This Carrier 340620-720 is engineered to meet the pressure requirements of modern R-410A systems found in DU50HFA and NRTP series air handlers.
What is the primary cause of TXV failure in these models?
Most TXV issues in residential systems stem from moisture contamination or debris clogging the internal screen. Installing a new liquid line filter drier is highly recommended when replacing this valve to ensure long-term reliability.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $112.48
-65%$112.48
$39.37Carrier 340620-720 TXV Kit Replacement
The Carrier 340620-720 TXV Kit is a genuine OEM thermal expansion valve engineered for precise refrigerant metering in high-performance HVAC systems. This Carrier TXV replacement part is the direct logistical successor to the 340620-755, ensuring a drop-in fit for technicians servicing Carrier DU50HFA units and specific NRTP series evaporator coils. Unlike generic alternatives, this HVAC refrigerant valve maintains the exact superheat settings required to protect the compressor from liquid slugging while maximizing heat transfer across the evaporator. By regulating the precise mass flow of refrigerant based on cooling load, it stabilizes system pressures and prevents coil icing during low-ambient or high-load conditions.
Key Benefits for Technicians:
- Direct OEM Compatibility: Serves as the factory-specified 340620-720 replacement for seamless integration into Carrier, Bryant, and Payne equipment.
- Optimized System Pressure: Maintains consistent superheat to ensure the compressor operates within its designed envelope, reducing mechanical fatigue.
- Enhanced Thermal Regulation: Features a responsive sensing bulb and diaphragm assembly for accurate refrigerant modulation.
- Replaces Obsolete Components: Specifically replaces part number 340620-755, resolving inventory and compatibility gaps in older HVAC systems.
Common Questions:
Does this TXV kit include the sensing bulb and mounting hardware?
Yes, this thermal expansion valve kit is a comprehensive OEM package designed for a complete field replacement, ensuring the sensing bulb is properly matched to the valve’s internal orifice.
Can I use this valve with R-410A refrigerant?
This Carrier 340620-720 is engineered to meet the pressure requirements of modern R-410A systems found in DU50HFA and NRTP series air handlers.
What is the primary cause of TXV failure in these models?
Most TXV issues in residential systems stem from moisture contamination or debris clogging the internal screen. Installing a new liquid line filter drier is highly recommended when replacing this valve to ensure long-term reliability.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Carrier 340620-720 TXV Kit is a genuine OEM thermal expansion valve engineered for precise refrigerant metering in high-performance HVAC systems. This Carrier TXV replacement part is the direct logistical successor to the 340620-755, ensuring a drop-in fit for technicians servicing Carrier DU50HFA units and specific NRTP series evaporator coils. Unlike generic alternatives, this HVAC refrigerant valve maintains the exact superheat settings required to protect the compressor from liquid slugging while maximizing heat transfer across the evaporator. By regulating the precise mass flow of refrigerant based on cooling load, it stabilizes system pressures and prevents coil icing during low-ambient or high-load conditions.
Key Benefits for Technicians:
- Direct OEM Compatibility: Serves as the factory-specified 340620-720 replacement for seamless integration into Carrier, Bryant, and Payne equipment.
- Optimized System Pressure: Maintains consistent superheat to ensure the compressor operates within its designed envelope, reducing mechanical fatigue.
- Enhanced Thermal Regulation: Features a responsive sensing bulb and diaphragm assembly for accurate refrigerant modulation.
- Replaces Obsolete Components: Specifically replaces part number 340620-755, resolving inventory and compatibility gaps in older HVAC systems.
Common Questions:
Does this TXV kit include the sensing bulb and mounting hardware?
Yes, this thermal expansion valve kit is a comprehensive OEM package designed for a complete field replacement, ensuring the sensing bulb is properly matched to the valve’s internal orifice.
Can I use this valve with R-410A refrigerant?
This Carrier 340620-720 is engineered to meet the pressure requirements of modern R-410A systems found in DU50HFA and NRTP series air handlers.
What is the primary cause of TXV failure in these models?
Most TXV issues in residential systems stem from moisture contamination or debris clogging the internal screen. Installing a new liquid line filter drier is highly recommended when replacing this valve to ensure long-term reliability.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
