Description
Rheem-Ruud PD955875 Enthalpy Sensor Overview
The Rheem-Ruud PD955875 is a genuine OEM enthalpy sensor designed to work seamlessly with compatible Rheem and Ruud HVAC equipment. Enthalpy sensors play a critical role in economizer control by simultaneously measuring both temperature and relative humidity to calculate the total heat content (enthalpy) of the air. This allows the system to make intelligent decisions about when to use outdoor air for free cooling, improving energy efficiency and indoor comfort.
Key Features
- Genuine Rheem-Ruud OEM replacement enthalpy sensor
- Measures both temperature and relative humidity for accurate enthalpy calculation
- Enables intelligent economizer control to maximize free-cooling opportunities
- Helps reduce mechanical cooling runtime and lower energy costs
- Designed for direct drop-in replacement on compatible Rheem and Ruud systems
- Supports proper outdoor air management and IAQ compliance
Why Enthalpy Sensing Matters
Unlike simple dry-bulb temperature sensors, enthalpy sensors account for the latent heat in moisture-laden air. This means your economizer only opens when outdoor air is truly advantageous — preventing humid outdoor air from increasing the cooling load. The result is smarter system operation, reduced energy consumption, and improved occupant comfort.
Application
- Compatible with select Rheem and Ruud commercial rooftop units and air handlers equipped with economizer controls
- Ideal for service technicians performing OEM-quality repairs and maintenance
- Suitable for use in commercial and light commercial HVAC applications
Ordering Information
- SKU: PD955875
- Brand: Rheem-Ruud
- Part Type: Enthalpy Sensor (OEM Replacement)
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