The HTP 7500P-031 Combustion Blower NRG 118 is a replacement blower designed to support efficient combustion in compatible gas-fired HVAC equipment. It operates by drawing in fresh air, supplying the combustion chamber with the required air mixture, and helping move exhaust gases through the boiler’s venting system. This blower is used in HTP Elite EL-80, EL-110, EL-150, Elite FT fire... https://www.partshnc.com/htp-7500p-031-combustion-blower-nrg-118