RCB-Series™ Hydronic Boilers

Experience the next level in hydronic heating with the RCB•Series™ Wall-Hung and Floor-Standing Boilers from Rinnai, offering superior thermal efficiency and intelligent, user-friendly controls.

Designed for commercial applications, these condensing, gas-fired boilers are built to deliver energy-saving performance with advanced features to meet your building's heating needs.

Industry Leading Features

Intuitive Controls

RCB-Series™ makes it easy to program, access and monitor your boiler performance with a 7” LCD Touchscreen that puts total control at your fingertips.

Easy Installation and Service

Wall-Hung Models: Lightweight at 165 lbs (301 model) or 208 lbs (399 model) with an Easy-Hang Wall Mount bracket that speeds installation 

Smart Service Design

Three removable panels allow for 270 degrees of access for added convenience and serviceability.

Floor-Standing Models

Roll onto the site with casters and fit through standard doorways and Service Panel Key for added security. Service Panel Key is only for RCB750AN and RCB1000AN.

Wall-Hung RCB Commercial Boilers

Floor-Standing RCB Commercial Boilers