OEM part number

804000061 Low loss header plumbing kit

Rinnai part 804000061. Listed for 8 models below.

Rinnai E-Combi condensing combi boiler (E50CRN, E75CRN/CRP, E110CRN/CRP)

Low loss header plumbing kit. Fits all 8 models in the series:

E110CR E110CRN E110CRP E50CR E50CRN E75CR E75CRN E75CRP

For zone pump systems or high system pressure drop

Source: Rinnai E-Combi Series Installation & Servicing Instructions (8U516009 V0116), page 18. 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.