Rheem Thermaforce RHBH-L99i Super High-Efficiency Condensing Boilers

Rheem ThermaForce RHBH-L99i Super High-Efficiency Condensing Boilers ThermaForce boilers offer the ultimate efficiency for home space heating through the innovative heat exchanger and additional efficiency-improving features. Built-in high-efficiency variable speed boiler pump ...Rheem ThermaForce RHBH-L99i Super High-Efficiency Condensing Boilers ThermaForce boilers offer the ultimate efficiency for home space heating through the innovative heat exchanger and additional efficiency-improving features. Built-in high-efficiency variable speed boiler pump uses less electricity than a standard pump.

Outdoor reset technology adjusts the boiler supply temperature automatically based on outdoor temperature fluctuations. ENERGY STAR certified with up to 96% AFUE and ASME-rated.