| Compatible Models | : | 800~865 |
| Depth | : | 18.125 in |
| For Use With | : | Humidifier |
| Function Type | : | Control Board |
| Height | : | 3.875 in |
| Installation / Mounting Type | : | Internal Mount |
| Package Quantity | : | 1 |
| Packaged Depth | : | 18.3 in |
| Packaged Height | : | 3.9 in |
| Packaged Width | : | 3.9 in |
| Product Type | : | Control Board |
| Product Weight | : | 0.16 lbs |
| Shipping Weight | : | 0.85 lbs |
| Width | : | 3.875 in |
This control board serves as a direct replacement part for Aprilaire® Model 800 and Model 865 steam humidifiers. It is specifically engineered for units with a release date after November 2014, ensuring proper fit and function. Installing this board helps restore the humidifier's electronic controls to original factory performance.