White-Rodgers 3L09-3 Heating Limit Control

The White-Rodgers 3L09-3 Heating Limit Control is a reliable, board-mounted limit control designed to protect heating systems by sensing temperature and interrupting power when thresholds are exceeded. This Therm-O-Disc Type 36T device features a 1/2 inch bimetal disc and a compact 3.12 inch housing to fit tight control panels. It supports 120/240/277 VAC under resistive loads and 120/240 VAC for inductive loads, delivering dependable protection across residential and light commercial heating applications.

• Mounting/Type: Board-mounted heating limit control for easy integration into control panels.
• Electrical ratings: 120/240/277 VAC (resistive); 120/240 VAC (inductive); current up to 15 A at 120V, 13 A at 240V.
• Thermal specs: Open at 140°F, Close at 110°F; 1/2 in. bimetal disc; Therm-O-Disc Type 36T; 3.12 in length.
• Panel setting and style: Temperature setting on panel L140-30F; Style 612701; Disc size 1/2 inch.
• Pilot/Protection: 125 VA pilot duty; ideal for safety shutoffs and system protection.

Designed for reliable protection in heating equipment, the White-Rodgers 3L09-3 provides consistent opening and closing actions, robust cycle life, and straightforward panel installation.