Service & Troubleshooting Guide #15-02-03
Rebuilding SIHI Centrifugal Pumps
used on CEI hot oil heaters
The Sterling SIHI ZTNC/D hot oil pump is the standard circulating pump used on CEI hot oil heaters. It is designed for thermal fluid temperatures of up to 662 degrees F. 29 sizes of this pump model are available. Radial seal rings are the pump sealing option used by CEI.
This Service & Troubleshooting Guide from the CEI Service Dept explains how to rebuild SIHI hot oil pumps, and what tools and parts are needed for both basic and full rebuilds.