the signal should scale linearly from 0V at 0 PSI to 10V at 500 PSI when compared against a calibrated mechanical gauge

Heavy-duty 1/4" x 5/16" swivel joint construction prevents mechanical slop and linkage binding

preventing combustion instability or pressure switch trips

Confirm that the application has a horizontal 1/2-inch damper shaft and that the SPDT contact arrangement and electrical ratings match the control circuit

The Sensus 143-16-021-04 Blue Spring is a critical calibration component engineered specifically for Sensus 243-12 and 121-12 gas pressure regulators

York S1-7956-336P Gas Valve Refrigerant the signal should scale linearlyThe York S1 7956 336P Gas Valve is an essential component for maintaining combustion stability in residential and light commercial heating systems. As a direct OEM replacement for 7631A3261, this valve is engineered to restore factory spec performance in Coleman and York furnaces. This 24V intermittent pilot valve features a compact design with standard 1 2" NPT inlet and outlet ports, ensuring a clean fit within narrow furnace cabinets. It is rated