Dwyer Instruments SFI-100-1 1/2 Indicator 321894-708 and Lennox (replacing 51H25)

and Lennox (replacing 51H25)

Key Benefits for Technicians Reduced Actuator Wear: The Nylon 11 coated ductile iron disc significantly lowers seating torque

making it an essential component for sustaining pneumatic tool performance and protecting sensitive downstream equipment

allowing for rapid actuator mounting without specialized tools

Dwyer Instruments SFI-100-1 1/2 Indicator 321894-708 and Lennox (replacing 51H25)For contractors monitoring standard fluid lines, the Dwyer Instruments SFI 100 1 1 2 Sight Flow Indicator provides a heavy duty, visual verification solution for residential and industrial piping systems. This 1. 5 inch NPT flow indicator is engineered with a robust bronze body and a single tempered glass window, allowing for immediate confirmation of flow movement without the need for additional instrumentation. The internal rotating impeller,