Sail Switch for Suburban Furnace Low Air Flow 233100, SB233100 NT Series 525028

Sail Switch for Suburban Furnace Low Air Flow 233100

This sail switch detects low air flow in Suburban furnaces and serves as an OEM cross-reference for part numbers 233100, SB233100, and 525028.

Overview

The sail switch for Suburban furnace low air flow is a safety device that monitors airflow through the furnace system. It ensures the furnace operates only when adequate airflow is present, preventing overheating and system damage. Designed for Suburban furnace models, this sail switch replaces worn or faulty switches to restore reliable operation.

Built For Performance

• Detects low air flow conditions accurately
• Direct replacement for OEM parts 233100, SB233100, 525028
• Durable construction for long service life
• Easy to install with standard tools
• Compatible with NT Series Suburban furnaces
• Tested for reliable performance

On-The-Job Use

• Used in RV and travel trailer Suburban furnaces to monitor airflow
• Applies to NT Series low air flow detection systems
• Commonly replaced during furnace maintenance to prevent safety shutdowns
• Helps maintain proper combustion air supply

Specs At A Glance

Good To Know

Q: Will this sail switch fit my Suburban furnace? A: This sail switch is designed for Suburban NT Series furnaces; verify your furnace model and part number for compatibility.

Q: How does the sail switch work? A: It uses a mechanical flap that moves when airflow is present, completing a circuit to allow furnace operation.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.