Whether you are performing a furnace relay replacement or troubleshooting intermittent blower issues

This SPST switch features a durable housing designed to withstand the thermal cycling and vibration common in hydronic heating cabinets

Easy field adjustment via the screwdriver slot ensures the 2

a durable ball and shaft assembly

While designed for RS series sensors

Johnson Controls T-4002-301 Conversion Kit R-410A Whether you are performing aThe Johnson Controls T 4002 301 Conversion Kit is a professional grade solution designed for upgrading or replacing legacy pneumatic thermostats in commercial HVAC systems. This direct acting kit features a 55 85F dial range, providing precise setpoint control for single temperature applications. Engineered for seamless integration into existing pneumatic control loops, the assembly simplifies the transition from older dual tube or single tube