If it says Ariel on the side, we're committed to supporting our product. A wealth of knowledge is available via phone, on site from our field service engineers, and online. Whatever you need for your Ariel compressor or however we can help, we're always ready to do so. ARIEL IS COMMITTED TO YOU. Ariel Response Center: North America 1-888-397-7760 International 1-740-397-3602 Learn more at www.arielcorp.com/For-you/ or call us at 1-740-397-0311http://www.arielcorp.com/For-you/