Description
Rheem-Ruud 42-105443-01 Gas Pressure Switch
The Rheem-Ruud 42-105443-01 is a direct OEM replacement gas pressure switch engineered to maintain safe and efficient operation in Rheem and Ruud heating systems. Designed to monitor gas pressure levels within the system, this switch acts as a critical safety component — shutting down operation if pressure falls outside acceptable parameters to protect both equipment and occupants.
Key Features
- OEM replacement part for compatible Rheem and Ruud heating systems
- Monitors gas pressure to ensure safe system operation
- Provides automatic shutoff protection when pressure deviates from set parameters
- Designed for precise, reliable switching performance
- Direct drop-in replacement for simplified installation
- Helps maintain system efficiency and extend equipment life
Application
This gas pressure switch is intended for use in Rheem and Ruud residential and light commercial gas-fired furnaces and heating appliances. Always verify compatibility with your specific model before installation. Consult the equipment’s service manual or a qualified HVAC technician for proper installation and commissioning.
Why Choose OEM Replacement Parts?
Using genuine OEM-specified replacement components like the Rheem-Ruud 42-105443-01 ensures proper fit, function, and safety compliance. Aftermarket substitutes may not meet the original design tolerances, potentially compromising system safety and warranty coverage.







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