Lennox 15W12 Expansion Valve
The Lennox 15W12 Indoor Expansion Valve is a critical OEM component engineered for high-precision refrigerant metering in residential and light commercial R410A HVAC systems. As a thermal expansion valve (TXV), it utilizes a 1/2 inch outlet and 3/8 inch inlet connection to maintain the precise superheat required for optimal evaporator performance. This replacement expansion valve is designed to replace part number 100254-06, directly addressing issues such as evaporator coil icing or insufficient cooling caused by restricted flow or stuck-closed bellows. By modulating the mass flow of refrigerant based on indoor load conditions, the 15W12 valve ensures the compressor operates within its design envelope, preventing liquid slugging and maximizing energy efficiency across varying ambient temperatures. For technicians, the valve features robust construction capable of handling the high-pressure demands of modern heat pump and air conditioning cycles, ensuring seamless integration with existing Lennox liquid line assemblies.
Key Benefits:- Precision Refrigerant Metering: Maintains exact superheat levels to maximize heat transfer efficiency in the evaporator.
- System Longevity: Prevents compressor damage by ensuring only vaporized refrigerant returns through the suction line.
- R410A Compatibility: Specifically calibrated for high-pressure HFC applications and 13CHPXA/15CHPXA series units.
- OEM Fit: Direct Lennox replacement part (100254-06) ensures no-hassle installation and proper port alignment.
- Durable Construction: Built to withstand the environmental rigors of industrial and residential HVAC cabinets.
- What are the symptoms of a failing Lennox TXV? Common indicators include frost on the evaporator coil, high superheat readings, or the outdoor unit running without adequate indoor cooling.
- Is the 15W12 compatible with older R22 systems? No, this valve is fixed-orifice calibrated specifically for R410A refrigerant and its associated pressure curves.
- Does this valve include the sensing bulb? This is a complete thermostatic expansion valve assembly designed to be installed per Lennox technical service manuals.
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: $157.36
-65%$157.36
$55.08Lennox 15W12 Expansion Valve
The Lennox 15W12 Indoor Expansion Valve is a critical OEM component engineered for high-precision refrigerant metering in residential and light commercial R410A HVAC systems. As a thermal expansion valve (TXV), it utilizes a 1/2 inch outlet and 3/8 inch inlet connection to maintain the precise superheat required for optimal evaporator performance. This replacement expansion valve is designed to replace part number 100254-06, directly addressing issues such as evaporator coil icing or insufficient cooling caused by restricted flow or stuck-closed bellows. By modulating the mass flow of refrigerant based on indoor load conditions, the 15W12 valve ensures the compressor operates within its design envelope, preventing liquid slugging and maximizing energy efficiency across varying ambient temperatures. For technicians, the valve features robust construction capable of handling the high-pressure demands of modern heat pump and air conditioning cycles, ensuring seamless integration with existing Lennox liquid line assemblies.
Key Benefits:- Precision Refrigerant Metering: Maintains exact superheat levels to maximize heat transfer efficiency in the evaporator.
- System Longevity: Prevents compressor damage by ensuring only vaporized refrigerant returns through the suction line.
- R410A Compatibility: Specifically calibrated for high-pressure HFC applications and 13CHPXA/15CHPXA series units.
- OEM Fit: Direct Lennox replacement part (100254-06) ensures no-hassle installation and proper port alignment.
- Durable Construction: Built to withstand the environmental rigors of industrial and residential HVAC cabinets.
- What are the symptoms of a failing Lennox TXV? Common indicators include frost on the evaporator coil, high superheat readings, or the outdoor unit running without adequate indoor cooling.
- Is the 15W12 compatible with older R22 systems? No, this valve is fixed-orifice calibrated specifically for R410A refrigerant and its associated pressure curves.
- Does this valve include the sensing bulb? This is a complete thermostatic expansion valve assembly designed to be installed per Lennox technical service manuals.
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 15W12 Indoor Expansion Valve is a critical OEM component engineered for high-precision refrigerant metering in residential and light commercial R410A HVAC systems. As a thermal expansion valve (TXV), it utilizes a 1/2 inch outlet and 3/8 inch inlet connection to maintain the precise superheat required for optimal evaporator performance. This replacement expansion valve is designed to replace part number 100254-06, directly addressing issues such as evaporator coil icing or insufficient cooling caused by restricted flow or stuck-closed bellows. By modulating the mass flow of refrigerant based on indoor load conditions, the 15W12 valve ensures the compressor operates within its design envelope, preventing liquid slugging and maximizing energy efficiency across varying ambient temperatures. For technicians, the valve features robust construction capable of handling the high-pressure demands of modern heat pump and air conditioning cycles, ensuring seamless integration with existing Lennox liquid line assemblies.
Key Benefits:- Precision Refrigerant Metering: Maintains exact superheat levels to maximize heat transfer efficiency in the evaporator.
- System Longevity: Prevents compressor damage by ensuring only vaporized refrigerant returns through the suction line.
- R410A Compatibility: Specifically calibrated for high-pressure HFC applications and 13CHPXA/15CHPXA series units.
- OEM Fit: Direct Lennox replacement part (100254-06) ensures no-hassle installation and proper port alignment.
- Durable Construction: Built to withstand the environmental rigors of industrial and residential HVAC cabinets.
- What are the symptoms of a failing Lennox TXV? Common indicators include frost on the evaporator coil, high superheat readings, or the outdoor unit running without adequate indoor cooling.
- Is the 15W12 compatible with older R22 systems? No, this valve is fixed-orifice calibrated specifically for R410A refrigerant and its associated pressure curves.
- Does this valve include the sensing bulb? This is a complete thermostatic expansion valve assembly designed to be installed per Lennox technical service manuals.
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.
