Pentair Sta-Rite WC212-138 Sight Glass (14971-0009) paragon 75 HP and side-discharge design

75 HP and side-discharge design help define the intended role and plumbing relationship of the wet end

Useful when the original O-ring is worn

Helps restore intended ozone introduction into the water path

Useful when the original ring is damaged or missing

Pentair Sta-Rite WC212-138 Sight Glass (14971-0009) paragon 75 HP and side-discharge designRestore the filtration system with a replacement part selected for accurate fit, clean installation, and dependable service. The WC212 138 Sight Glass is a targeted replacement for Pentair Sta Rite equipment, making it a smart choice when the original component is worn, cracked, faded, leaking, or missing. It supports valve service by helping restore indexing, sight visibility, spring tension, handle movement, or port connection integrity. A working