Waterway Executive 4.0 HP [12/4.4A] [2S] Pump (3721621-1D) spacovers This type of fitting is

This type of fitting is useful because it helps create the plumbing interface through the vessel wall while supporting the fit and serviceability of return-side components

This replacement is especially useful when the original ozonator has failed

5 HP E-Series spa pump center discharge applications and features a 1-1/2 inch by 1-1/2 inch connection format

Offset-port design supports intended internal placement

Waterway Executive 4.0 HP [12/4.4A] [2S] Pump (3721621-1D) spacovers This type of fitting isThe Waterway 3721621 1D Executive pump is designed for compatible applications and features a 4. 0 HP motor in a 2 speed configuration rated at 12. 0 amps and 4. 4 amps. A pump like this is useful because it restores the complete operating unit while preserving dual speed performance for systems that benefit from both higher output and lower speed operation. Two speed Executive pumps can be especially practical where equipment flexibility is important