Use a digital manometer to measure the actual vacuum from the draft inducer port

With its double shielded (ZZ) design

ensuring exact fit and function without modify field wiring

Rugged Construction: Built for the high-cycle demands of commercial air handling units and industrial dampers

this 3-pole double-throw configuration provides the versatility needed for professional-grade installations

Johnson Controls BKT287-2R Mounting Use a digital manometer toThe Johnson Controls BKT287 2R is a professional grade 35mm DIN rail mounting solution engineered for the high density requirements of modern HVACR control systems. Specifically designed as a robust mechanical support for the System 350 modular electronic sequencer and temperature controls, this 36 inch length (914mm) section provides ample space for mounting multiple actuators, sensors, and staging modules in a compact, organized footprint. The rail