Pentair SD70/Cristal-Flo II 24" Filter Standpipe Assembly (152000) o-rings and this Polaris and Zodiac

and this Polaris and Zodiac vinyl version is a light blue head using the 3-9-570 reference

This type of replacement is especially useful when the rest of the heater remains serviceable and the weakness is isolated to the thermostat itself

The Lochinvar pump bearing kit is designed for compatible heater and pump applications where worn bearing components need replacement

the filter can lose the debris-capture support it should provide

Pentair SD70/Cristal-Flo II 24" Filter Standpipe Assembly (152000) o-rings and this Polaris and ZodiacThis 24" standpipe assembly supports the internal flow path on compatible SD70 and Cristal Flo II sand filters. The standpipe works with the lateral system to collect filtered water and direct it back through the filter outlet, making it a critical component during media replacement or internal filter repair. Use this assembly when the original standpipe is cracked, warped, shortened, or damaged during sand removal. A correct replacement helps prevent