| Three wiring terminal options available for easy installation: | Push-in receptacles for stripped wire | Female receptacles for 1/4" male flag connectors | Field add-on screw terminals | Controls adapt to many competitive mounting holes in replacement applications | Available in a variety of fan and high limit setting ranges | L4064B,W models have manual fan switch that overrides fan control to keep fan running continuously | Fan Close on Rise, Limit Open on Rise. | Turns fan on and off according to plenum temperature. With helical bimetal sensing element. High limit stop set at 200° F (93° C). With manual fan switch. Small case and cover. Replaces L4064A, B, E.