a high-durability replacement engineered specifically for T155 series warmer-cooler systems

both share the same 150 PSI set point and 3/4" NPT dimensions

providing the granular system management required for modern high-efficiency residential and commercial units

As a genuine OEM part

The large arch window box lugs facilitate clean wire termination

KMC Controls CSC-3021-10 Control Freon a high-durability replacement engineered specificallyOptimize your VAV terminal unit performance with the KMC Controls CSC 3021 10, a high precision pneumatic reset volume controller engineered for professional HVAC applications. This sub master air velocity controller features a universal design, making it a reliable choice for both cooling and heating systems utilizing normally open or normally closed dampers. As a veteran grade differential pressure reset controller, it integrates seamlessly with