Pentair Coil/Tubesheet O-Ring Package | 77707-0117 Pool Filter Grids Waterway Plastics 500-1098 Brominator Assembly

Waterway Plastics 500-1098 Brominator Assembly

Technicians value the straightforward design that allows for easy repairs and longevity

reducing the risk of damage to the lid or surrounding components

or corroded flange connection

Pentair Coil/Tubesheet O-Ring Package | 77707-0117 Pool Filter Grids Waterway Plastics 500-1098 Brominator AssemblyWhat This Part Is Used For Pentair 77707 0117 Coil Tubesheet O Ring Package is a replacement sealing kit used in compatible Pentair heater assemblies. It provides O rings for sealing the coil and tubesheet connections. Why This Part Matters Worn O rings can cause internal heater leaks and pressure loss. Replacing them restores proper sealing and helps prevent water intrusion into critical components. This is especially important during heater rebuilds