383-500-777 | Heat Exchanger Kit 299/310/399 | Weil McLain Part Number_BCB8702 Its 1/2-inch bore and 5-blade

Its 1/2-inch bore and 5-blade design ensure optimal airflow while maintaining a sleek and stylish appearance

The Auto Pilot function ensures precise control over gas flow

and it has a Cv of 5

ideal for equipment requiring moderate to high rotational speeds

383-500-777 | Heat Exchanger Kit 299/310/399 | Weil McLain Part Number_BCB8702 Its 1/2-inch bore and 5-bladeWeil McLain Heat Exchanger Kit 383 500 777: Efficient Heat Exchange for Weil McLain Boilers The Heat Exchanger Kit 383 500 777 from Weil McLain is an essential component for maintaining optimal performance and efficiency in Weil McLain boilers. This high quality replacement kit is designed to provide seamless integration and reliable heat transfer. Key Features: Durable Construction: Constructed with premium materials, this heat exchanger kit ensures