Description
Pentair 24850-0008Z 21″ Tank O-Ring for System 3 Filter
The Pentair 24850‑0008Z is a genuine 21″ tank cord O‑ring engineered for Sta‑Rite System 3 filters, including Modular Media SM cartridge models (e.g. S7M120, S7M400, S8M150, S8M500), D.E. SD series (S7D75, S8D110), SMD modular D.E., and even SS-series sand filters (S7S50). Made from durable rubber (commonly Buna‑N/NBR), this cord-style O‑ring has a nominal inside diameter of 21″ and an outside diameter around 22″ with a cross‑section of about 1/2″, providing a tight seal under operating pressure.
Pentair makes the most of life’s essential resources, from great tasting water straight from the kitchen faucet, to industrial water management and everywhere in between. We deliver solutions that help people move, improve and enjoy water, and sustainable applications that help ensure the health of the world. Pentair diversified quickly venturing into a wide variety of industries and eventually focusing its portfolio on water treatment and sustainable applications.
Pentair 24850-0008Z 21″ Tank O-Ring for System 3 Filter Features:
- Compatible with Sta‑Rite System 3 Modular Media (SM‑series) cartridge filters (S7M120, S7M400, etc.)
- Also fits D.E. SD‑series filters (S7D75, S8D110) and SMD‑series modular D.E. filters and SS‑series sand filters (S7S50)
- Nominal inside diameter: 21″, outside diameter approx. 22″, cross‑section thickness ~1/2″
- Consult your User Manual to ensure this product is a compatible replacement part
- OEM‑compliant design
- Helps maintain optimal filtration system performance
- Constructed from premium Buna‑N (Nitrile rubber)
- Easy to replace as part of regular filter maintenance or tank servicing
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