- Make sure this fits by entering your model number.
- Voltage Range: 100-125 VAC, 50-60 Hz
- Sensing Current: Minimum of 4.0 Amps
- It can also be used to simplify installation of inline duct booster fans
- Relay must sense all four amps in order for it to open and close properly
This fits your .
Aprilaire 51 Current Sensing Relay: Home Improvement
- Product Code: 4NEBK0300360
- Availability: In Stock