Description
The Copeland 5D51-90 fan and limit control is a combination temperature control designed to regulate blower operation and provide high-limit safety protection in warm air furnace systems. Featuring an 8-inch insertion probe, this control monitors plenum temperature to automatically cycle the fan on and off while also shutting down the burner if excessive temperatures are reached. Commonly used in residential and light commercial furnaces, it helps maintain proper airflow and protects equipment from overheating. The 5D51-90 is a reliable replacement component for maintaining safe and efficient HVAC system performance.
Key Features:
- Combination fan and high-limit control
- 8-inch insertion probe for plenum temperature sensing
- Automatically cycles blower based on temperature
- Provides over-temperature safety shutoff
- Suitable for furnaces and warm air heating systems
- Ideal for replacement and retrofit HVAC applications
- Durable design for consistent, long-term operation
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