Description
The Aprilaire 4977 is a factory-designed 24 VAC coil, double‑pole double‑throw (DPDT) power relay built specifically for Models 800 and 865 Aprilaire steam humidifiers. This OEM relay ensures proper signal isolation and safe control of internal actuators.
Specifications:
- Product Length: 2.65 inches (6.731 cm)
- Product Width: 1.5 inches (3.810 cm)
- Product Height: 1.3 inches (3.302 cm)
- Product Weight: 0.185 lbs (0.084 kg)
