Trane VAL8796 TXV
The Trane VAL8796 is a professional-grade 3-ton R410A thermostatic expansion valve (TXV) engineered for precision refrigerant metering in high-efficiency residential and light commercial Trane and American Standard evaporators. This OEM component features 3/8" x 1/2" ODS connections, facilitating a robust braze-on interface that ensures leak-free reliability under high-pressure conditions up to 500 PSI. Built for R410A refrigerant systems, the VAL8796 utilizes a self-regulating diaphragm to modulate flow based on evaporator outlet superheat, maximizing heat transfer and protecting the 3-ton compressor from liquid slugging. As a direct replacement for Trane part VAL08796, this valve is essential for technicians addressing restricted flow or poor superheat control. The heavy-duty sensing bulb and external equalizer provide rapid response to load changes, maintaining system equilibrium even during extreme ambient temperatures. For contractors, the Trane VAL8796 TXV represents a critical 3-ton cooling component for restoring factory-spec performance in matched split systems.
- Precision Metering: Specifically calibrated for 3-ton HVAC systems to maintain optimal evaporator superheat and seasonal efficiency.
- High-Pressure Durability: Rated for 500 PSI, making it fully compatible with the rigorous operating pressures of R410A refrigerant.
- Broad Compatibility: Serves as the primary OEM replacement for Trane VAL8796 and VAL08796 across multiple air handler and coil configurations.
- ODS Connections: Standard 3/8 inch inlet and 1/2 inch outlet copper connections provide a familiar and reliable sweat-in installation for field technicians.
Common Questions
How do I confirm the VAL8796 has failed versus a simple low charge? Check the superheat at the evaporator outlet. If the R410A TXV is stuck closed, you will typically see high superheat and low suction pressure. If the sensing bulb has lost its charge, the Trane expansion valve will default to a closed position, starving the coil even if the system charge is correct. What is the best practice for installing this 3/8" x 1/2" TXV? Always wrap the valve body in a wet rag or heat-sink paste during brazing to prevent internal seal damage. Ensure the TXV sensing bulb is mounted on a horizontal run of the suction line at the 4 or 6 o’clock position and is properly insulated for accurate temperature sensing. Is this valve compatible with older R22 systems? No, the Trane VAL8796 is specifically designed for R410A refrigerant. Using it in an R22 system will result in improper refrigerant flow and potential compressor failure due to the different pressure-temperature relationships of the refrigerants.This item is not eligible for free shipping.
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: $197.92
-65%$197.92
$69.27Trane VAL8796 TXV
The Trane VAL8796 is a professional-grade 3-ton R410A thermostatic expansion valve (TXV) engineered for precision refrigerant metering in high-efficiency residential and light commercial Trane and American Standard evaporators. This OEM component features 3/8" x 1/2" ODS connections, facilitating a robust braze-on interface that ensures leak-free reliability under high-pressure conditions up to 500 PSI. Built for R410A refrigerant systems, the VAL8796 utilizes a self-regulating diaphragm to modulate flow based on evaporator outlet superheat, maximizing heat transfer and protecting the 3-ton compressor from liquid slugging. As a direct replacement for Trane part VAL08796, this valve is essential for technicians addressing restricted flow or poor superheat control. The heavy-duty sensing bulb and external equalizer provide rapid response to load changes, maintaining system equilibrium even during extreme ambient temperatures. For contractors, the Trane VAL8796 TXV represents a critical 3-ton cooling component for restoring factory-spec performance in matched split systems.
- Precision Metering: Specifically calibrated for 3-ton HVAC systems to maintain optimal evaporator superheat and seasonal efficiency.
- High-Pressure Durability: Rated for 500 PSI, making it fully compatible with the rigorous operating pressures of R410A refrigerant.
- Broad Compatibility: Serves as the primary OEM replacement for Trane VAL8796 and VAL08796 across multiple air handler and coil configurations.
- ODS Connections: Standard 3/8 inch inlet and 1/2 inch outlet copper connections provide a familiar and reliable sweat-in installation for field technicians.
Common Questions
How do I confirm the VAL8796 has failed versus a simple low charge? Check the superheat at the evaporator outlet. If the R410A TXV is stuck closed, you will typically see high superheat and low suction pressure. If the sensing bulb has lost its charge, the Trane expansion valve will default to a closed position, starving the coil even if the system charge is correct. What is the best practice for installing this 3/8" x 1/2" TXV? Always wrap the valve body in a wet rag or heat-sink paste during brazing to prevent internal seal damage. Ensure the TXV sensing bulb is mounted on a horizontal run of the suction line at the 4 or 6 o’clock position and is properly insulated for accurate temperature sensing. Is this valve compatible with older R22 systems? No, the Trane VAL8796 is specifically designed for R410A refrigerant. Using it in an R22 system will result in improper refrigerant flow and potential compressor failure due to the different pressure-temperature relationships of the refrigerants.This item is not eligible for free shipping.
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.
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Description
The Trane VAL8796 is a professional-grade 3-ton R410A thermostatic expansion valve (TXV) engineered for precision refrigerant metering in high-efficiency residential and light commercial Trane and American Standard evaporators. This OEM component features 3/8" x 1/2" ODS connections, facilitating a robust braze-on interface that ensures leak-free reliability under high-pressure conditions up to 500 PSI. Built for R410A refrigerant systems, the VAL8796 utilizes a self-regulating diaphragm to modulate flow based on evaporator outlet superheat, maximizing heat transfer and protecting the 3-ton compressor from liquid slugging. As a direct replacement for Trane part VAL08796, this valve is essential for technicians addressing restricted flow or poor superheat control. The heavy-duty sensing bulb and external equalizer provide rapid response to load changes, maintaining system equilibrium even during extreme ambient temperatures. For contractors, the Trane VAL8796 TXV represents a critical 3-ton cooling component for restoring factory-spec performance in matched split systems.
- Precision Metering: Specifically calibrated for 3-ton HVAC systems to maintain optimal evaporator superheat and seasonal efficiency.
- High-Pressure Durability: Rated for 500 PSI, making it fully compatible with the rigorous operating pressures of R410A refrigerant.
- Broad Compatibility: Serves as the primary OEM replacement for Trane VAL8796 and VAL08796 across multiple air handler and coil configurations.
- ODS Connections: Standard 3/8 inch inlet and 1/2 inch outlet copper connections provide a familiar and reliable sweat-in installation for field technicians.
Common Questions
How do I confirm the VAL8796 has failed versus a simple low charge? Check the superheat at the evaporator outlet. If the R410A TXV is stuck closed, you will typically see high superheat and low suction pressure. If the sensing bulb has lost its charge, the Trane expansion valve will default to a closed position, starving the coil even if the system charge is correct. What is the best practice for installing this 3/8" x 1/2" TXV? Always wrap the valve body in a wet rag or heat-sink paste during brazing to prevent internal seal damage. Ensure the TXV sensing bulb is mounted on a horizontal run of the suction line at the 4 or 6 o’clock position and is properly insulated for accurate temperature sensing. Is this valve compatible with older R22 systems? No, the Trane VAL8796 is specifically designed for R410A refrigerant. Using it in an R22 system will result in improper refrigerant flow and potential compressor failure due to the different pressure-temperature relationships of the refrigerants.This item is not eligible for free shipping.
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.
