White-Rodgers 3F05-2 Fan Switch and Payne systems
Baker’s notes & crumb story
Description
and Payne systems
potentially damaging the system
blocked returns
this 120V red indicator light is engineered for high-visibility signaling in furnace controls
White-Rodgers 3F05-2 Fan Switch and Payne systemsThe White Rodgers 3F05 2 is a heavy duty adjustable snap disc fan control engineered for high reliability air management in HVAC systems and industrial heating units. As a high performance 3 4 inch fan switch, this 74T12 310709 model features a single pole single throw (SPST) configuration with a close on rise switch action. It provides a field adjustable temperature range from 140F to 180F and a fixed 20F differential, ensuring precise fan cycling