The ACI Nickel Room Series combines option flexibility with attractive styling in our “-R2” style enclosures which include Four-way air flow design too minimize self-heating to the sensor. These enclosures are ordered in a White “-R2” color. All units are designed to be mounted over a single gang junction box or hole in the wall with the use of drywall anchors. An optional 1/8” Black foam pad with pressure sensitive adhesive is available to insulate the sensor from thermal drafts within the wall or wall surface temperature. A 1/16” Hex driver should be used to secure the cover from being easily removed. All model numbers will be entered into our system such that you will be given a unique, six-digit Config ID Number on your order confirmation and product labels.