This document is the owner's manual for the POSI*FLO® II FILTER, covering installation, operation, and parts information. The filter is designed for swimming pools, spas, and hot tubs, and is known for its durability and reliability.
This manual provides instructions for the installation, assembly, startup, and maintenance of the Sta-Rite Posi*Flo II Series Filters (Models PTM50, PTM70, PTM100, and PTM135). It includes safety warnings regarding high pressure and proper grounding, as well as detailed steps for assembling the filter cartridge and connecting piping.
The document also covers operational procedures such as filter cleaning based on pressure differential, winterizing the system, and troubleshooting common issues. A repair parts list and warranty information are included at the end of the guide.
| Maximum Operating Pressure | 50 PSI (345 kPa) |
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The system should never be operated at more than 50 PSI (345 kPa).
Cleaning is based on pressure differential, not the length of time the filter is operated.