AES Air Control

The Marquis Spas Air Control Valve (Part #350-6345) is a genuine OEM top-access hot tub part designed to regulate airflow and boost jet performance. It features a grey, two-tone finish, a 1″ slip plumbing connection, and is a standard fit for select Marquis hot tub lines.

Key Details & Compatibility

Function: Adjusts the air mix to dial in your preferred jet pressure and massage intensity.

Compatibility: Used in all Marquis Signature Series spas (2013–2019) and ATV 14′ and 17′ models (2014–2017).

Dimensions: The top measures approximately 3″ diameter.

Assembly: The valve body typically connects to a single hose outlet and is used with a 1″ inner diameter plumbing connection.