Description
The Lennox 47K22 is an OEM thermostatic expansion valve (TXV) engineered to deliver precise refrigerant metering and optimal system performance in compatible Lennox cooling equipment. With 3/8″ liquid-line and 1/2″ suction-line ODF connections, a 3-ton capacity rating, and a 30″ capillary tube, this valve is a direct-fit replacement that restores factory-level efficiency and reliability.
The TXV automatically modulates refrigerant flow in response to evaporator superheat conditions, protecting the compressor from liquid slugging while ensuring the evaporator coil operates at full capacity. Using a genuine Lennox OEM component like the 47K22 ensures proper calibration and compatibility with your existing system.
Key Specifications
- SKU: 47K22
- Brand: Lennox (OEM)
- Valve Type: Thermostatic Expansion Valve (TXV)
- Liquid Line Connection: 3/8″ ODF
- Suction Line Connection: 1/2″ ODF
- Capacity: 3 Ton
- Capillary Tube Length: 30″
Features & Benefits
- OEM Lennox replacement part for assured fit and compatibility
- Precise superheat control protects the compressor and maximizes evaporator efficiency
- 3/8″ x 1/2″ ODF connections for straightforward field installation
- 30″ capillary tube provides flexible bulb placement during installation
- Restores factory refrigerant metering performance in 3-ton systems
- Helps maintain system efficiency and extend equipment service life
Application
The Lennox 47K22 TXV is designed for use in Lennox residential and light commercial air conditioning and heat pump systems rated at 3 tons. Always verify compatibility with the specific equipment model before installation. Consult the equipment service manual for proper superheat setting and bulb placement procedures.
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