The OEM Pentair Base with Pipe Plugs WC104-78P is a direct replacement component for Sta-Rite Posi-Flo pool and spa filter systems. Engineered for durability, this base supports stable installation and system alignment, helping maintain the structural integrity of your filter setup. It’s designed to fit cartridge filter models such as PTM50, PTM70, PTM100, PTM135, as well as T-50TX, T-70TX, T-100TX, and their TXR counterparts. Built from corrosion-resistant materials, the base endures harsh weather and pool chemicals. The included pipe plugs ensure a secure, leak-free seal, enhancing overall filtration performance and preventing water loss at connection points.
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Built for Posi-Flo Filters: Compatible with Pentair Sta-Rite Posi-Flo II models PTM50 through PTM135 and T/TXR series filters.
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Stabilizes Filter Systems: Provides a strong, level base for the filter, preserving operational integrity over time.
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Rugged Outdoor Design: Constructed from corrosion-resistant materials to withstand poolside elements and long-term exposure.
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Leak-Free Operation: Includes pipe plugs that ensure a watertight seal to support consistent filtration and efficiency.
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Maintains Filter Alignment: Crucial for securing the filter in place, reducing vibration, and supporting dependable system function.
- Pentair Sta-Rite Posi-Flo II Cartridge Filter Model: PTM50, PTM70, PTM100 and PTM135
- Pentair Sta-Rite Posi-Flo Cartridge Filter Models: T-50TX, T-70TX, T-100TX, T-50TXR, T-70TXR,T-100TXR

