Description
Sporlan Controls 129642 Thermostatic Expansion Valve Overview
The Sporlan Controls 129642 is a thermostatic expansion valve (TXV) engineered for dependable refrigerant metering in R-22 air conditioning and refrigeration systems. Rated for 3-ton capacity, this valve features 1/2″ inlet and 5/8″ outlet connections along with a 5-foot capillary tube for flexible remote bulb placement during installation.
Key Features
- Refrigerant: R-22 compatible
- Capacity: 3 tons
- Inlet connection: 1/2″
- Outlet connection: 5/8″
- Capillary tube length: 5 feet for versatile bulb positioning
- Precision thermostatic control for optimized evaporator performance
- Designed for consistent superheat regulation across varying load conditions
- Durable construction built to Sporlan’s industry-leading quality standards
Application
Ideal for use in residential and light commercial air conditioning systems operating on R-22 refrigerant. The TXV meters liquid refrigerant into the evaporator coil, maintaining proper superheat to maximize system efficiency, protect the compressor, and extend equipment life.
Why Choose Sporlan?
Sporlan Controls, a Parker Hannifin brand, is a trusted name in refrigeration and HVAC controls. Their thermostatic expansion valves are renowned for precise superheat control, robust construction, and long service life — making them a preferred choice among professional HVAC technicians and contractors.







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