Trane VAL18771 Expansion Valve
The Trane VAL18771 Thermostatic Expansion Valve is a critical refining metering device designed specifically for high-efficiency residential and light commercial cooling systems. Engineered to handle R-410A refrigerant, this TXV precisely modulates refrigerant flow into the evaporator coil by measuring superheat via a highly responsive sensing bulb. For technicians in the field, this valve ensures the evaporator is neither starved of refrigerant nor flooded, preventing liquid slugging that can lead to compressor failure. The robust head assembly and balanced port design allow for consistent refrigeration cycle performance even during fluctuating ambient conditions. When identifying a replacement, the OEM part number VAL18771 ensures exact compatibility with Trane equipment, maintaining the original AHRI certification and system efficiency. Proper installation requires secure thermal contact between the sensing bulb and the suction line to maintain accurate superheat control and avoid hunting issues that plague lower-quality aftermarket alternatives.
Key Benefits:- Precision R-410A refrigerant metering for optimized heat transfer.
- Protects the compressor by preventing refrigerant flooding and liquid carryover.
- Maintains design superheat to ensure peak evaporator capacity.
- Compatible with Trane residential air handlers and indoor evaporator coils.
- Durable thermostatic actuator designed for high-pressure HVACR applications.
- How do I confirm the VAL18771 is failed? Look for signs of "starving" (low suction pressure, high superheat) or "flooding" (frost on the suction line, low superheat/high discharge pressure).
- Is this an OEM replacement part? Yes, this is a genuine Trane OEM expansion valve, critical for maintaining factory specifications.
- Does this valve come with the sensing bulb? Yes, the integrated sensing bulb and capillary tube are part of the valve assembly to ensure precise feedback.
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: $272.34
-65%$272.34
$95.32Trane VAL18771 Expansion Valve
The Trane VAL18771 Thermostatic Expansion Valve is a critical refining metering device designed specifically for high-efficiency residential and light commercial cooling systems. Engineered to handle R-410A refrigerant, this TXV precisely modulates refrigerant flow into the evaporator coil by measuring superheat via a highly responsive sensing bulb. For technicians in the field, this valve ensures the evaporator is neither starved of refrigerant nor flooded, preventing liquid slugging that can lead to compressor failure. The robust head assembly and balanced port design allow for consistent refrigeration cycle performance even during fluctuating ambient conditions. When identifying a replacement, the OEM part number VAL18771 ensures exact compatibility with Trane equipment, maintaining the original AHRI certification and system efficiency. Proper installation requires secure thermal contact between the sensing bulb and the suction line to maintain accurate superheat control and avoid hunting issues that plague lower-quality aftermarket alternatives.
Key Benefits:- Precision R-410A refrigerant metering for optimized heat transfer.
- Protects the compressor by preventing refrigerant flooding and liquid carryover.
- Maintains design superheat to ensure peak evaporator capacity.
- Compatible with Trane residential air handlers and indoor evaporator coils.
- Durable thermostatic actuator designed for high-pressure HVACR applications.
- How do I confirm the VAL18771 is failed? Look for signs of "starving" (low suction pressure, high superheat) or "flooding" (frost on the suction line, low superheat/high discharge pressure).
- Is this an OEM replacement part? Yes, this is a genuine Trane OEM expansion valve, critical for maintaining factory specifications.
- Does this valve come with the sensing bulb? Yes, the integrated sensing bulb and capillary tube are part of the valve assembly to ensure precise feedback.
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 VAL18771 Thermostatic Expansion Valve is a critical refining metering device designed specifically for high-efficiency residential and light commercial cooling systems. Engineered to handle R-410A refrigerant, this TXV precisely modulates refrigerant flow into the evaporator coil by measuring superheat via a highly responsive sensing bulb. For technicians in the field, this valve ensures the evaporator is neither starved of refrigerant nor flooded, preventing liquid slugging that can lead to compressor failure. The robust head assembly and balanced port design allow for consistent refrigeration cycle performance even during fluctuating ambient conditions. When identifying a replacement, the OEM part number VAL18771 ensures exact compatibility with Trane equipment, maintaining the original AHRI certification and system efficiency. Proper installation requires secure thermal contact between the sensing bulb and the suction line to maintain accurate superheat control and avoid hunting issues that plague lower-quality aftermarket alternatives.
Key Benefits:- Precision R-410A refrigerant metering for optimized heat transfer.
- Protects the compressor by preventing refrigerant flooding and liquid carryover.
- Maintains design superheat to ensure peak evaporator capacity.
- Compatible with Trane residential air handlers and indoor evaporator coils.
- Durable thermostatic actuator designed for high-pressure HVACR applications.
- How do I confirm the VAL18771 is failed? Look for signs of "starving" (low suction pressure, high superheat) or "flooding" (frost on the suction line, low superheat/high discharge pressure).
- Is this an OEM replacement part? Yes, this is a genuine Trane OEM expansion valve, critical for maintaining factory specifications.
- Does this valve come with the sensing bulb? Yes, the integrated sensing bulb and capillary tube are part of the valve assembly to ensure precise feedback.
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.
