Johnson Controls P47AB-3 Limit Control Els PW 17895 with a specialized progressive differential

with a specialized progressive differential for precise calibration

offering a reliable interface between the power supply and the valve operator

When troubleshooting a furnace gas valve replacement

reducing stress on the heating elements

Johnson Controls P47AB-3 Limit Control Els PW 17895 with a specialized progressive differentialThe Johnson Controls P47AB 3 is a heavy duty steam pressure limit control designed for high pressure boiler applications requiring a manual reset safety mechanism. This SPST controller features contacts that open on pressure rise, providing a critical fail safe for commercial and industrial steam systems. Engineered for versatility, the P47AB 3 supports multi voltage electrical ratings including 120, 208, 240, and 277 Vac, allowing for seamless