Maximize the efficiency of your HVAC system with the Aprilaire 4851 Blower Activation Relay—a trusted OEM component designed to automatically control your blower fan for smarter, humidity-driven airflow.
Specifications:
- Product Length: 3.75 inches (9.525 cm)
- Product Width: 3.35 inches (8.509 cm)
- Product Height: 1.95 inches (4.953 cm)
- Product Weight: 0.18 lbs (0.082 kg)
- Fits Aprilaire 500, 600 and 700 series humidifiers
