The Pentair 192115Z - Drain Plug O-Ring is a replacement ring to ensure that there is a proper seal on pool pump drains. Without a quality O-Ring pool pumps cannot properly circulate water through pool plumbing systems. Whenever the O-Ring start to stretch or tear is suggested that it be replaced to ensure a quality seal. Compatible With: Pentair Challenger High Flow Pump Pentair Challenger High Pressure Pump Pentair EQ Series Commercial Plastic Pump Pentair IntelliFlo i1 + i2 Variable Speed Pump Pentair IntelliFlo VF Pump Pentair IntelliFlo3 Pump Pentair IntelliFloXF Variable Speed Pump Pentair IntelliPro3 Pump Pentair IntelliProXF VSF Pump Pentair Max-E-Pro VS Pump Pentair Max-E-ProXF Series Pump Pentair Optiflo Pump Pentair SuperFlo Doe Pump Pentair SuperFlo VS/VST Pump Pentair SuperMax Doe Pump Pentair SuperMax VS Pump Pentair Waterflo Specialty Pump Pentair WhisperFloXF Pump
