White-Rodgers 3L03-190 Heating Snap Disc Limit Control

The White-Rodgers 3L03-190 Heating Snap Disc Limit Control delivers reliable furnace safety and precise heating control. Designed for use on blowers or high-limit safety control/heating control applications, this Therm-O-Disc style 60T13 switch ensures dependable cut-in and cut-out performance in demanding environments.

Featuring a 3/4 inch flanged airstream mount and a SPDT electrical switch, it supports multiple voltages for flexible installation. Terminal configurations include 120/240 VAC full-load on terminals 1-2, and 120/240/277 VAC resistive/pilot duties on terminals 1-3. With current ratings up to 25 A at 120/240 V (resistive) and 21.6 A at 277 V, this unit handles standard furnace loads safely. The temperature ratings provide a robust safety margin: cut-in at 190/140°F and cut-out at 170/120°F. A Pilot Duty rating of 125 VA further supports auxiliary control circuits.

• Type: Snap Disc Limit Control for heating applications
• Mounting: 3/4" flanged airstream mount
• Switch: SPDT
• Temperature: 190/140°F (cut-in), 170/120°F (cut-out)
• Electrical: 120/240 VAC full-load (terminals 1-2); 120/240/277 VAC resistive (terminals 1-3)
• Style: Therm-O-Disc 60T13; Type 611014