Description
Marvair 20220B Reversing Valve Overview
Engineered for dependable heat pump operation, the Marvair 20220B is a 3/4″ x 1/2″ refrigeration reversing valve designed to redirect refrigerant flow between heating and cooling modes. Built to Marvair’s OEM standards, this reversing valve delivers consistent, leak-free performance in demanding HVAC/R applications.
Key Features
- 3/4″ inlet x 1/2″ outlet connection sizes for straightforward installation
- Designed to reverse refrigerant flow direction in heat pump systems
- OEM Marvair replacement part — ensures proper fit and function
- Durable construction for long-lasting, reliable service life
- Compatible with Marvair packaged terminal and commercial HVAC equipment
Applications
- Heat pump refrigerant circuit reversing
- Marvair packaged HVAC/R systems requiring OEM reversing valve replacement
- Commercial and light-industrial refrigeration systems
Why Choose the Marvair 20220B?
Using an OEM-spec reversing valve ensures proper refrigerant flow control, protects system efficiency, and reduces the risk of premature component failure. The 20220B is the correct factory replacement for Marvair equipment requiring a 3/4″ x 1/2″ reversing valve, making it the trusted choice for HVAC technicians and service contractors.







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