HVACopediaOEM part number
808000033 Flue gas pipe, OSS2/3/4 variant
Rinnai part 808000033. Listed for 2 models below.
Rinnai E-Combi condensing combi boiler (E50CRN, E75CRN/CRP, E110CRN/CRP)
Flue gas pipe, OSS2/3/4 variant. Fits 2 of 8 models:
Spare parts list item 83; OSS1/OSS2 variant to model mapping inferred from X-count in table
Source: Rinnai E-Combi Series Installation & Servicing Instructions (8U516009 V0116), page 80. Full E-Combi parts list
Part numbers are taken from the manufacturer’s published repair parts documents and are listed so you can identify the right part. Manufacturers replace and supersede numbers over time, so confirm the number with your distributor before you order, and use factory-authorized parts on equipment under warranty. Replacing gas, electrical and refrigerant parts is work for a licensed technician. HVACopedia is not affiliated with any manufacturer; brand and model names only identify the equipment.