Quality engineered to our proven world-class standard, Riello 40-Series balanced-flue oil burners are built for maximum uptime. Riello 40-Series high-efficiency burners not only deliver low energy consumption and quiet, worryfree performance, they are the most reliable combustion technology on the market.

The Riello 40-Series balanced-flue oil burners offer a host of advanced features - like durable, lightweight, compact construction; an integrated electronic control box with interrupted ignition; and a sealed cast-aluminium cover with a removable plug for final adjustment of the combustion air.

Easy to install and service, and backed by coast-to-coast support, Riello 40-Series balanced-flue burners are available in two models with firing rates from 0.5 to 1.50 GPH to handle a full range of residential direct-air applications.