Honeywell L4064B2228 Fan And Limit Controller, Surface Mounting With Manual Fan Switch To Override Fan Setpoints And Keep The Fan Running Continuously

5″ element insertions tube, high limit factory set to 200 degrees F. Scale range 50 to 250 degrees F, high limit range 100 to 250 degrees F, fan-on setting range 65 to 215 degrees F, fan-off settings 50 to 200 degrees F. For control of high limit and fan motor in all types of forced air heating systems.