Description
The Rheem-Ruud 47-22453-01 is an OEM temperature control limit switch engineered to provide reliable overheat protection in Rheem and Ruud heating systems. Featuring a fixed 130°F open temperature, this manual reset switch interrupts the circuit when the set-point is reached and requires a manual reset before the system can resume operation — a critical safety feature that prevents repeated cycling under fault conditions.
Key Features
- Fixed open temperature: 130°F — trips at a precise, factory-set threshold for consistent protection
- SPST (Single-Pole, Single-Throw) normally closed switch configuration
- Manual reset design requires deliberate technician intervention before restart, preventing automatic re-energization after a high-temperature event
- Direct OEM replacement for compatible Rheem and Ruud heating equipment
- Designed to protect heat exchangers, blower compartments, and other temperature-sensitive components from damage due to overheating
Specifications
- SKU / Part Number: 47-22453-01
- Brand: Rheem-Ruud
- Control Type: Temperature Limit Switch
- Open Temperature: 130°F (Fixed)
- Switch Type: SPST Normally Closed (NC)
- Reset Type: Manual Reset
Application
This limit switch is a direct OEM replacement part for Rheem and Ruud furnaces and heating appliances. It is installed as a safety cutout to detect abnormal temperature rises within the unit. When the air temperature at the switch location reaches 130°F, the normally closed contacts open, shutting down the burner or heating circuit. Because it is a manual reset device, a service technician must identify and correct the root cause of the overheating condition before resetting the switch and restoring system operation. This ensures that underlying issues such as restricted airflow, dirty filters, or blower failures are addressed before the system is returned to service.
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