The Southern Pride 13734000 Proximity Sensor (Door Switch), 18mm is a genuine OEM safety and control component designed to detect door position on Southern Pride commercial smokers. This sensor ensures the unit operates only when the door is properly closed, protecting the heating system, preventing smoke loss, and improving overall cooking efficiency. A failing proximity switch can cause startup issues, safety faults, or inconsistent performance?making timely replacement essential. Key Features OEM 18mm proximity sensor for accurate door-position detection Ensures safe operation by preventing function when the door is open Helps maintain proper heat retention and smoke circulation Durable, industrial-grade design built for high-heat and high-moisture environments Direct replacement for multiple Southern Pride commercial smoker models Specifications Part Number: 13734000 Type: Proximity Sensor / Door Switch Diameter: 18mm Function: Door position detection safety interlock Application: Commercial smokers Compatible Models (Shortened List): Southern Pride SP-700 (Jul 2020 ? Jun 2021) Southern Pride MLR-150 (Jul 2020 ? Jun 2021) Southern Pride MLR-150 (2014 ? May 2016) ?and more (20 models total). Why Choose This Item This OEM proximity switch provides reliable safety control, accurate detection, and long-term durability, making it ideal for restoring proper function to your Southern Pride smoker. It ensures safe operation, prevents system faults, and keeps cooking performance consistent in demanding commercial environments.