Description
The Lennox 38M74 is a thermostatic expansion valve (TXV) engineered to deliver precise refrigerant metering and optimal system performance in 6-ton HVAC applications. With 3/8″ liquid-line and 1/2″ suction-line ODF (Outside Diameter Flare) connections and a 30″ capillary tube, this valve is designed for reliable, accurate superheat control across a wide range of operating conditions.
Key Features
- 6-ton system capacity rating for commercial and large residential applications
- 3/8″ x 1/2″ ODF connection sizing for straightforward field installation
- 30″ capillary tube length provides flexible bulb placement and routing
- Thermostatic expansion valve design ensures precise superheat regulation
- Genuine Lennox OEM replacement part for compatible Lennox systems
- Helps maintain peak system efficiency and protects the compressor from liquid slugging
Specifications
- SKU: 38M74
- Brand: Lennox
- Valve Type: Thermostatic Expansion Valve (TXV)
- Capacity: 6 Ton
- Liquid Line Connection: 3/8″ ODF
- Suction Line Connection: 1/2″ ODF
- Capillary Tube Length: 30″
Application
The Lennox 38M74 TXV is the ideal OEM replacement for Lennox systems requiring precise refrigerant flow control. By maintaining proper superheat at the evaporator outlet, this valve protects the compressor, maximizes heat transfer efficiency, and helps keep energy costs in check. Suitable for use in split-system air conditioners and heat pumps where accurate refrigerant metering is critical to system reliability and longevity.
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