Description
The Lennox 42W30 is an OEM thermostatic expansion valve (TXV) engineered for use with R-410A refrigerant systems rated at 4 tons of cooling capacity. Designed to deliver precise refrigerant metering, this TXV maintains optimal evaporator performance by automatically adjusting refrigerant flow in response to changing load conditions — improving system efficiency, protecting the compressor, and extending equipment life.
Key Features
- OEM Lennox replacement TXV for reliable, factory-spec performance
- Compatible with R-410A refrigerant — the industry-standard HFC refrigerant for residential and light commercial systems
- Rated for 4-ton (48,000 BTU/hr) cooling capacity
- 3/8″ ODF inlet connection and 1/2″ ODF outlet connection for straightforward installation
- Thermostatic sensing bulb design automatically modulates refrigerant flow to maintain proper superheat
- Helps protect the compressor from liquid slugging and improves overall system efficiency
Specifications
- SKU: 42W30
- Brand: Lennox
- Refrigerant: R-410A
- Capacity: 4 Ton
- Inlet Connection: 3/8″ ODF
- Outlet Connection: 1/2″ ODF
- Valve Type: Thermostatic Expansion Valve (TXV)
Application
The Lennox 42W30 TXV is intended as a direct OEM replacement for compatible Lennox split-system air conditioners and heat pumps using R-410A refrigerant. Always verify system compatibility by cross-referencing the equipment model number before installation. Proper installation requires EPA Section 608 certification and adherence to all applicable local codes.
