| Genuine Aprilaire 4039 Humidistat Adapter Plate |
 Adapter plate used for mounting the model 4016 on the return air duct system. This plate clips to the humidistat and shields the sensor from seeing the air around the humidistat. It then permits the rear half of the 4016 humidistat to be inserted into the air stream. Comes with installation instructions and template to be used in marking the area to be cut for mounting. Related Products: Aprilaire 4655 Manual Humidifier Control Aprilaire Model 60 Digital Automatic Humidistat w/ Outdoor Sensor Apriliare Model 62 Digital Humidistat Control Apriliare Model 65 Digital Humidistat Control Price: 10.99 |