Description
Rheem-Ruud 42-24195-01 Pressure Switch Overview
The Rheem-Ruud 42-24195-01 is an OEM replacement pressure switch engineered to maintain safe and reliable furnace operation. Rated at 0.50″ water column (WC), this switch monitors the negative pressure created by the inducer motor to confirm proper draft before allowing ignition to proceed — a critical safety function in modern gas furnaces.
Key Features
- OEM Rheem-Ruud replacement part — SKU 42-24195-01
- Set point: 0.50″ WC (water column)
- Monitors inducer/draft pressure to verify safe flue venting conditions
- Prevents ignition if adequate draft is not established, protecting against combustion hazards
- Direct drop-in replacement for compatible Rheem and Ruud gas furnace models
- Designed for long-term durability in residential and light commercial heating applications
Application
This pressure switch is designed for use in Rheem and Ruud gas furnaces where the original 42-24195-01 switch requires replacement. Always verify compatibility with your specific furnace model number before installation.
Installation Notes
- Disconnect power to the furnace before servicing
- Match hose port connections to the original switch configuration
- Inspect inducer motor and hose tubing for blockages or cracks when replacing this switch
- Consult the furnace service manual for wiring and mounting specifications
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