Description
Rheem-Ruud 47-100246-01 Low Pressure Limit Switch Overview
The Rheem-Ruud 47-100246-01 is an OEM low pressure limit switch engineered for use in air and refrigeration (A/R) systems. Designed to protect compressors and refrigeration circuits from the damaging effects of low-side pressure loss, this switch automatically opens the circuit when system pressure drops to 15 PSI and re-closes at 40 PSI, ensuring reliable, automatic system recovery.
Key Features
- OEM Rheem-Ruud replacement part — direct-fit reliability
- Opens (trips) at 15 PSI to protect against low-pressure conditions
- Closes (resets) at 40 PSI for automatic system recovery
- Designed for air conditioning and refrigeration (A/R) applications
- Helps prevent compressor damage caused by low refrigerant charge or loss of refrigerant
- Durable construction for long-term, dependable performance
Specifications
- Part Number: 47-100246-01
- Brand: Rheem-Ruud
- Type: Low Pressure Limit Switch
- Open (Cut-Out) Pressure: 15 PSI
- Close (Cut-In) Pressure: 40 PSI
- Application: Air Conditioning / Refrigeration (A/R) Systems
Application
This low pressure limit switch is a critical safety and control component in Rheem and Ruud air conditioning and refrigeration equipment. It monitors the low side of the refrigerant circuit and interrupts system operation if pressure falls below the safe operating threshold, preventing costly compressor failures. Always verify compatibility with your specific equipment model before installation.







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