Aprilaire 4737 Resistor
Compatible with the following Aprilaire Humidifiers:
400/400A/400M, 600/600A/600M, 700/700A/700M, 760/760A, 768
(Ships within 1 hour)
Part # 4737
Aprilaire 4737 Resistor. This is the manual mode resistor for the model 58 digital auto humidity control. Use it if you do NOT want to install the outdoor air sensor.
- 2 1/2 (inches)
- 1 (oz)