RBI DB SERIES INSTALLATION & OPERATION MANUAL Pdf RBI DB series Installation & Operation Manual . Dominator series finned copper gas boilers. Electrical Wiring DOMINATOR INSTALLATION AND OPERATION INSTRUCTIONS Page 23 WARNING: Never use an open ﬂ ame to test for Line voltage ﬁ eld wiring of any controls or other devices gas leaks. Page 51 All other RBI supplied Boiler/Water Heater RBI DOMINATOR SERIES INSTALLATION AND OPERATION View and Download RBI DOMINATOR Series installation and operation manual online. DOMINATOR SERIES FINNED COPPER GAS BOILERS (MODEL DB) & WATER HEATERS (MODEL DW). DOMINATOR Series Water Heater pdf manual download. Also for: Dominator db-300, Dominator db-400, Dominator db-600,.. Dominator - DOMINATOR 85% EFFICIENCY - Goes Heating Boiler The Dominator Series from RBI, with sizing from 300 to 2,100 MBH, offers the ultimate flexibility in boiler and water heater application, all at a competitive price. With efficiencies nearing 85.1%, the Dominator has one of the highest efficiency levels available in non-condensing boiler and water heater market.