Description
The Rheem 42-101955-08 Pressure Switch is a reliable SPST airflow safety switch designed to protect heating systems from improper pressure conditions. Factory-set at -0.25" WC, this OEM component ensures accurate monitoring and helps prevent furnace malfunctions by triggering shutdowns when airflow is restricted. With a 1/4" barb connection for easy installation, it delivers dependable performance and long-lasting system protection.
Key Features
- SPST pressure switch
- Factory-set activation at -0.25" WC
- 1/4" barb connection for secure tubing fit
- Ensures proper airflow and system safety
- Helps prevent overheating and unsafe operation
- Durable OEM component for long-term reliability
- Designed for compatible Rheem heating systems






