The Rheem-Ruud 42-107534-03 is an OEM replacement pressure switch engineered specifically for Rheem and Ruud heating systems. Pressure switches are a critical safety component in gas furnaces and air handlers, monitoring inducer motor operation and verifying proper venting and draft conditions before allowing the ignition sequence to proceed. By confirming that the draft inducer is functioning correctly, this switch helps prevent the release of harmful combustion gases into the living space, protecting both equipment and occupants.
Key Features
- OEM replacement part designed for Rheem and Ruud heating equipment
- Monitors negative pressure created by the draft inducer blower
- Prevents ignition if proper venting or draft conditions are not met
- Helps protect against backdrafting and combustion gas spillage
- Direct drop-in replacement for straightforward installation
- Built to OEM specifications for reliable, long-term performance
Application
This pressure switch is intended for use in compatible Rheem and Ruud gas furnaces and heating systems. Always verify compatibility with your specific model number before installation. Consult your equipment’s service manual or a qualified HVAC technician to confirm proper fit and function.
Why Replace Your Pressure Switch?
- A faulty pressure switch is one of the most common causes of furnace no-heat calls
- Symptoms include the furnace failing to ignite, short-cycling, or displaying a pressure switch fault code
- Using an OEM replacement ensures the switch opens and closes at the correct pressure setpoint for your specific unit
