White-Rodgers 3L09-6 Heating Limit ControlThe White Rodgers 3L09 6 Heating Limit Control provides dependable overheat protection for heating systems. This Therm O Disc based limit switch (Type 36T, Style 612710) is designed for board mounted installation, delivering precise temperature response and long service life. The compact 3. 12" body and 1 2" bimetal disc enable quick cycling with minimal footprint, while a rugged mounting design ensures reliable operation in demanding environments.

This precision thermostat uses SPDT switching

4 W and insulation class F

Flow Coefficient: 2

The RIBU1S Enclosed Pilot Control Relay is a compact

a 24SP200 Flue Gas Spillage Sensing Kit designed to guard your home against dangerous vent backdrafts

and 3 inch

and MI504S

Temperature range: -30 to 150°F

Its robust construction withstands heat and electrical load from daily cycling

minimal downtime during replacement or maintenance

Control signals: 0–10V DC

Natural gas operation for efficient