1. This four-way solenoid directional control valve is specially designed for air conditioning systems and can efficiently switch between cooling and heating modes. 2. Compatible with common refrigerants: R22, R134A, R404, R410. 3. Operating temperature: -30 to +50 degrees Celsius. 4. Maximum pressure resistance: 4.2 MPa. 5. Made of pure copper, it is energy-efficient and environmentally friendly.
