ATMOX Multi-Mount Fan Ridge Vent Plate – 8/12 Pitch

Item: 01-380-690

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ATMOX Ridge Vent Exhaust Fan – Multi-Mount – Plate – 8/12 Pitch

The ATMOX Ridge Vent Fans are designed for mounting the ATMOX Multi-Mount Fans. The design of the plate allows the fan to pull air upward and force it out of the ridge vent. Roofs for this plate need approximately 8 feet of rise for every 12 feet of roof run. The plates assemble to fans with hardware pieces included with ATMOX Multi-Mount Fans and mount from inside the attic under the ridge vent. The Multi-Mount fan is customizable and sold separately from the mounting plates and accessories.


In an attic, the APEX Controller and fans work to control moisture and heat reduction through attic ventilation. The ATMOX setup is not just a set of attic fans in your attic space. It’s a smart solution using decades of research and science to bring the best system to your attic. Additionally, ATMOX is adaptable to different attics that may vary by construction or climate. In many regions home attics tend to be very hot during the summer months. Attic temperatures can actually be extremely high. This hot air may cause damage to roof shingles and lead to an overuse of HVAC systems. With use of the APEX Controller and fans, your attic will benefit from heat reduction.

In the winter months, the outside air is generally drier. However, attics are still at risk for moisture issues. These issues can lead to issues of mold or wood rot. The warm moist air that forms inside the living space escapes to the attic. If that moisture gets trapped in the attic, it can lead to moisture on the cold surfaces. Also, in areas with heavy snowfall, ice dam issues can lead to major moisture and water damage. The ATMOX APEX Controller has an optional Snow Mode to assist with ice dam mitigation by removing warm air from the attic.

While there are climate differences throughout the regions of the US, your attic will benefit from the ATMOX system. Our regional map can help you with the best solution for your region.

Powering Fans

The ATMOX Controls use a low voltage 12V DC wire to power the fans. As a result, the setup of all components will run from one electrical outlet. This allows for simple installation, and minimizes or eliminates the need for an electrician at the installation.

Includes 3-year limited product warranty.


  • Assembly: Plates assemble to fans with hardware included with ATMOX Multi-Mount Fans.
  • Use: Designed for mounting ATMOX Multi-Mount Fans.
  • Mounting: Mount from inside attic under ridge vent. Four mounting holes for screws. (screws not included)

Spec Sheet – Exhaust Fan – 225 CFM – Multi-Mount