it operates effectively within 15

This spring is rated for 3" to 8" water column (WC)

the 20269903 limit switch likely needs replacement

consider a shorter probe model

The GKT1533 is compatible with a wide range of Trane condensing units and chillers that utilize 1-inch Rotolock valves

Functional Devices RIBMN2401D Relay it operates effectively within 15The Functional Devices RIBMN2401D is a professional grade DPDT enclosed relay designed for demanding building automation and HVAC control applications. This pilot duty device features a 24VAC DC coil, providing versatile input compatibility for digital controllers and 24V transformers. With a 10 Amp contact rating at 120VAC, this double pole double throw relay allows for the simultaneous switching of two independent circuits, making it ideal for