The White Rodgers 3L09-23 is a high-performance 1/2" bimetal disc board mount limit control engineered for accurate thermal regulation in HVAC systems. This model opens at 170°F and automatically resets at 150°F, offering consistent protection for heating components.Built with precision and durability in mind, the 3L09-23 features a fast-acting SPST switch and compact design ideal for tight installations. Commonly used in plenum high limit applications, it ensures system safety by reliably interrupting current when temperature thresholds are exceeded.Key Specifications:
- Open Temperature: 170°F
- Close Temperature: 150°F
- Differential: 20°F
- Insertion Length: 3.12 inches
- Reset Type: Automatic
- Switch Type: SPST (Single Pole Single Throw)
- Mounting Style: Board mount
- Disc Size: 1/2 inch
- Application: Plenum high limit control