Pentair Brass Bolt and Wing Nut #155 | Pack of 6 | R221166 C4440 When the valve is already

When the valve is already disassembled for service

Have a licensed technician perform the replacement and verify blade balance and clearance after installation

Checking the part number printed on the existing ring or cross-referencing the skimmer body's exploded diagram in your equipment manual is the fastest way to confirm the correct fit

even if the fitting geometry is the same

Filter Quad 60 Replacement screen cap for air bleeder assembly

Pentair Brass Bolt and Wing Nut #155 | Pack of 6 | R221166 C4440 When the valve is alreadyThe Pentair Brass Bolt and Wing Nut (R221166) is the OEM replacement #155 hardware set for Pentair pool poles and compatible pole accessories. These brass bolt and wing nut sets secure pole head attachments such as brushes, nets, and vacuum plates to the threaded tip of compatible pool poles. Brass construction resists corrosion in wet pool environments and provides reliable clamping force without stripping under repeated use. When the original