Rheem-Ruud 41-25081-01 SPDT Sail Switch with 10" Insertion

The Rheem-Ruud 41-25081-01 is a Single Pole Double Throw (SPDT) sail switch designed for HVAC applications. This air flow sensing switch features a 10-inch insertion length, allowing it to monitor air movement in furnace plenums and ductwork.

Key Features:

• SPDT (Single Pole Double Throw) configuration for versatile switching applications
• 10-inch insertion length for deep plenum installations
• Sail mechanism activates when airflow reaches preset threshold
• Ensures proper air flow before heating elements or burners activate
• Critical safety component for residential and commercial HVAC systems

This sail switch is a genuine Rheem-Ruud replacement part commonly used in forced air furnaces and air handlers. The switch monitors air velocity and provides electrical contact closure or opening based on air movement, helping prevent unsafe operating conditions caused by insufficient airflow.