Pentair Pipe Assembly SD70 | Sand Dollar SD70 / Cristal-Flo II Filter Systems | 152000 Pool Liners & Liner Accessories Worn or seized bearings cause

Worn or seized bearings cause uneven wheel speed

Installation of this impeller requires Impeller Screw 37337-6081Z

35” size

Replacing all sealing components during a single service visit prevents a return trip when an adjacent seal fails shortly after

Pentair Pipe Assembly SD70 | Sand Dollar SD70 / Cristal-Flo II Filter Systems | 152000 Pool Liners & Liner Accessories Worn or seized bearings causeThe Pentair Pipe Assembly SD70 (152000) is the OEM replacement pipe assembly for the Cristal Flo II High Rate Sand Filter (24 inch tank) and the Sand Dollar SD70 Sand Filter. The standpipe is the central internal tube that channels filtered water from the laterals at the base of the filter tank up through the valve and back to the pool. A cracked, warped, or improperly seated standpipe allows unfiltered water and sand to bypass the lateral assembly