“R” Series burners are available in oil, gas, low-NOx natural gas, and dual-fuel burners for commercial and process applications. The firing ranges/capacities are 177,000 to 4,760,000 Btuh (dual fuel), 177,000 to 7,813,000 Btuh (gas), 307,000 to 6,388,000 Btuh (natural gas low NOx), and 2.4 to 65.6 USgph (light oil). The burners are available in on-off, two-stage, and modulating configurations. The two-stage burners with camnetic fuel/air control systems can be converted into modulating burners by supplying a modulating signal to the servomotor. Other features include service slide bars and an exterior drawer assembly adjustment screw. Third-party controls can be used with these burners.

Riello Burners, 35 Pond Park Rd., Hingham, MA 02043; 800-474-3556; info@rielloburners.com (e-mail); www.rielloburners .com (website).

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