The Pentair Diffuser (C1-270P) is the OEM replacement diffuser for the Dyna-Pro and Dyna-Pro E inground pump series, covering 1‑1/2 HP, 2 HP, and 2‑1/2 HP models. The diffuser channels water from the impeller into the pump's volute, converting velocity into pressure. A cracked, worn, or missing diffuser reduces hydraulic efficiency and can cause loss of prime, reduced flow, and increased motor strain. Replacing it with the correct OEM part restores the pump's designed flow performance. Specifications Pentair Part Number C1-270P Part Name Diffuser Compatible HP Range 1-1/2 HP, 2 HP, 2-1/2 HP Quantity Each Equipment Compatibility Dyna-Pro / Dyna-Pro E Fits Into Brand Equipment Line Model / Part Number Notes Pentair Dyna-Pro / Dyna-Pro E MPEA6F-206L 1-1/2 HP, 2 HP, and 2-1/2 HP models Pentair Dyna-Pro / Dyna-Pro E MPE6E-206L 1-1/2 HP, 2 HP, and 2-1/2 HP models Pentair Dyna-Pro / Dyna-Pro E MPRA6F-206L 1-1/2 HP, 2 HP, and 2-1/2 HP models Pentair Dyna-Pro / Dyna-Pro E MPRA6YF-206L 1-1/2 HP, 2 HP, and 2-1/2 HP models Pentair Dyna-Pro / Dyna-Pro E MPEA6G-207L 1-1/2 HP, 2 HP, and 2-1/2 HP models Pentair Dyna-Pro / Dyna-Pro E MPE6F-207L 1-1/2 HP, 2 HP, and 2-1/2 HP models Pentair Dyna-Pro / Dyna-Pro E MPEA6YG-207L 1-1/2 HP, 2 HP, and 2-1/2 HP models Pentair Dyna-Pro / Dyna-Pro E MPE6YF-207L 1-1/2 HP, 2 HP, and 2-1/2 HP models Pentair Dyna-Pro / Dyna-Pro E MPRA6G-207 1-1/2 HP, 2 HP, and 2-1/2 HP models Pentair Dyna-Pro / Dyna-Pro E MPEAA6G-208L 1-1/2 HP, 2 HP, and 2-1/2 HP models Pentair Dyna-Pro / Dyna-Pro E MPA6G-208L 1-1/2 HP, 2 HP, and 2-1/2 HP models Pentair Dyna-Pro / Dyna-Pro E MPEAA6YG-208L 1-1/2 HP, 2 HP, and 2-1/2 HP models Pentair Dyna-Pro / Dyna-Pro E MPE6G-208L 1-1/2 HP, 2 HP, and 2-1/2 HP models Compatibility is based on Pentair parts documentation and available OEM records. This is not an exhaustive list. For certainty, verify the part number in your equipment's manual or on the original part itself before ordering. Poolaroo Pro Tip When replacing the diffuser, inspect the impeller and wear ring at the same time — these components are subject to the same wear patterns and replacing them together avoids a second disassembly shortly after. Confirm your pump's horsepower rating before ordering: this diffuser is specific to 1‑1/2 HP, 2 HP, and 2‑1/2 HP Dyna-Pro and Dyna-Pro E models and is not interchangeable with other HP configurations.
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