Lennox 15D33 TXV
The Lennox 15D33 TXV is a high-performance 4-ton thermal expansion valve engineered for precise refrigerant metering in residential and light commercial cooling systems. This OEM Lennox replacement part features a 3/8" ODM inlet and a 1/2" ODF outlet, specifically designed for R-410A refrigerant applications. By accurately responding to evaporator pressure and temperature changes, the 15D33 expansion valve maintains optimal superheat, protecting your compressor from liquid slugging while maximizing the efficiency of 4-ton indoor coils. Constructed from heavy-duty materials to withstand high-pressure environments, this 4-ton TXV ensures consistent cooling capacity across varying load conditions. For contractors performing a Lennox TXV replacement, this valve provides the exact fit and flow characteristics required to restore factory-spec performance. Its compact design facilitates straightforward installation in tight evaporator cabinets, making it the reliable choice for maintaining system reliability and energy standards in demanding HVACR environments.
Key Benefits- Optimized Superheat Control: Precision-engineered to maintain a constant superheat at the evaporator outlet, preventing compressor flooding and improving system longevity.
- R-410A Compatibility: Specifically calibrated for high-pressure R-410A systems, ensuring accurate flow rates and reliable performance.
- Heavy-Duty Construction: Manufactured with high-quality metals to resist corrosion and handle the thermal stresses of continuous cycling.
- Perfect OEM Fit: Eliminates compatibility issues with Lennox 4-ton indoor coils, reducing labor time during field installation.
What are the symptoms of a failing Lennox 15D33 expansion valve?
Technicians typically observe high superheat, low suction pressure, or frost on the evaporator coil when the valve is stuck closed. Conversely, a valve stuck open often leads to low superheat and potentially liquid returning to the compressor.
Is the Lennox 15D33 adjustable for field tuning?
Most NXT-series valves like the 15D33 are factory-set to maintain specific superheat levels. Always verify the subcooling at the valve inlet (minimum 5°F) before attempting to diagnose or adjust the metering device.
Can I use this TXV with R-22 or other refrigerants?
No, the 15D33 is specifically sized and calibrated for the thermophysical properties of R-410A. Using it with incompatible refrigerants will lead to improper metering and potential system failure.
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: $157.60
-65%$157.60
$55.16Lennox 15D33 TXV
The Lennox 15D33 TXV is a high-performance 4-ton thermal expansion valve engineered for precise refrigerant metering in residential and light commercial cooling systems. This OEM Lennox replacement part features a 3/8" ODM inlet and a 1/2" ODF outlet, specifically designed for R-410A refrigerant applications. By accurately responding to evaporator pressure and temperature changes, the 15D33 expansion valve maintains optimal superheat, protecting your compressor from liquid slugging while maximizing the efficiency of 4-ton indoor coils. Constructed from heavy-duty materials to withstand high-pressure environments, this 4-ton TXV ensures consistent cooling capacity across varying load conditions. For contractors performing a Lennox TXV replacement, this valve provides the exact fit and flow characteristics required to restore factory-spec performance. Its compact design facilitates straightforward installation in tight evaporator cabinets, making it the reliable choice for maintaining system reliability and energy standards in demanding HVACR environments.
Key Benefits- Optimized Superheat Control: Precision-engineered to maintain a constant superheat at the evaporator outlet, preventing compressor flooding and improving system longevity.
- R-410A Compatibility: Specifically calibrated for high-pressure R-410A systems, ensuring accurate flow rates and reliable performance.
- Heavy-Duty Construction: Manufactured with high-quality metals to resist corrosion and handle the thermal stresses of continuous cycling.
- Perfect OEM Fit: Eliminates compatibility issues with Lennox 4-ton indoor coils, reducing labor time during field installation.
What are the symptoms of a failing Lennox 15D33 expansion valve?
Technicians typically observe high superheat, low suction pressure, or frost on the evaporator coil when the valve is stuck closed. Conversely, a valve stuck open often leads to low superheat and potentially liquid returning to the compressor.
Is the Lennox 15D33 adjustable for field tuning?
Most NXT-series valves like the 15D33 are factory-set to maintain specific superheat levels. Always verify the subcooling at the valve inlet (minimum 5°F) before attempting to diagnose or adjust the metering device.
Can I use this TXV with R-22 or other refrigerants?
No, the 15D33 is specifically sized and calibrated for the thermophysical properties of R-410A. Using it with incompatible refrigerants will lead to improper metering and potential system failure.
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 Lennox 15D33 TXV is a high-performance 4-ton thermal expansion valve engineered for precise refrigerant metering in residential and light commercial cooling systems. This OEM Lennox replacement part features a 3/8" ODM inlet and a 1/2" ODF outlet, specifically designed for R-410A refrigerant applications. By accurately responding to evaporator pressure and temperature changes, the 15D33 expansion valve maintains optimal superheat, protecting your compressor from liquid slugging while maximizing the efficiency of 4-ton indoor coils. Constructed from heavy-duty materials to withstand high-pressure environments, this 4-ton TXV ensures consistent cooling capacity across varying load conditions. For contractors performing a Lennox TXV replacement, this valve provides the exact fit and flow characteristics required to restore factory-spec performance. Its compact design facilitates straightforward installation in tight evaporator cabinets, making it the reliable choice for maintaining system reliability and energy standards in demanding HVACR environments.
Key Benefits- Optimized Superheat Control: Precision-engineered to maintain a constant superheat at the evaporator outlet, preventing compressor flooding and improving system longevity.
- R-410A Compatibility: Specifically calibrated for high-pressure R-410A systems, ensuring accurate flow rates and reliable performance.
- Heavy-Duty Construction: Manufactured with high-quality metals to resist corrosion and handle the thermal stresses of continuous cycling.
- Perfect OEM Fit: Eliminates compatibility issues with Lennox 4-ton indoor coils, reducing labor time during field installation.
What are the symptoms of a failing Lennox 15D33 expansion valve?
Technicians typically observe high superheat, low suction pressure, or frost on the evaporator coil when the valve is stuck closed. Conversely, a valve stuck open often leads to low superheat and potentially liquid returning to the compressor.
Is the Lennox 15D33 adjustable for field tuning?
Most NXT-series valves like the 15D33 are factory-set to maintain specific superheat levels. Always verify the subcooling at the valve inlet (minimum 5°F) before attempting to diagnose or adjust the metering device.
Can I use this TXV with R-22 or other refrigerants?
No, the 15D33 is specifically sized and calibrated for the thermophysical properties of R-410A. Using it with incompatible refrigerants will lead to improper metering and potential system failure.
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.
