the internal seals and springs provided in this 302-088 kit are likely the issue

Use a manometer to confirm the system is pulling at least 0

this 2-way valve assembly eliminates leakage and maintains system efficiency under varying pressure drops

the TSW-150 features field-selectable heating/cooling control modes

Mammoth Commercial 9924401602 Bushing mario the internal seals and springsThe Mammoth Commercial 9924401602 Bushing is a critical hardware component designed for heavy duty industrial and commercial HVACR applications. This 1" zinc plated bushing provides essential structural integrity and corrosion resistance within mechanical assemblies, ensuring stable performance in high vibration environments. Engineering specifications for the 9924401602 prioritize precise tolerances for seamless integration with Mammoth HVAC