Waterway 8" Gunite Anti-Vortex Main Drain Assembly [2" x 2" Slip] [White] (640-2920 V) skimfilters is heating inconsistently

is heating inconsistently

HydroAir compatible

and this Filbur FC-3746 cartridge is designed for C-6622 and PC22 applications

A directional internal is useful because it helps aim the water stream through the jet face

Waterway 8" Gunite Anti-Vortex Main Drain Assembly [2" x 2" Slip] [White] (640-2920 V) skimfilters is heating inconsistentlyThe Waterway 640 2920V gunite anti vortex main drain assembly is designed for compatible gunite applications using 2 inch by 2 inch slip connections. A complete anti vortex drain assembly like this is useful because it provides the correct style of drain coverage and connection for installations that need both proper fit and a finished white surface appearance. In gunite pool and spa work, matching the drain assembly to the vessel construction type