Johnson Controls P47AB-3 Limit Control THPU32HP7Y A midpoint ground balances the

A midpoint ground balances the voltage stress across the unit’s secondary insulation by grounding the center of the high-voltage winding

the S1-024-40889-000 features a durable frame and precise balance to minimize vibration and bearing wear

This industrial-grade air pressure switch is built to withstand the rigorous cycling of modern 2-stage heating systems

There is no need for costly fittings

Johnson Controls P47AB-3 Limit Control THPU32HP7Y A midpoint ground balances theThe 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