Variable Speed Back Half Add-Ons

Upgrade compatible WhisperFlo style pool pumps with Pulsar Advantage Variable Speed Back Half Add-Ons. Designed for pool service professionals and repair technicians, these back half upgrade kits make it easier to convert select single-speed pump systems to variable speed performance without replacing the full pump or replumbing the system. Each option combines a Nidec variable speed motor with the key back half components needed for fast field repair, improved efficiency, and reliable retrofit performance.

Available in 1.65 THP and 3.45 THP configurations, these WhisperFlo style back half add-ons are ideal for service calls, equipment upgrades, and pool pump retrofit projects where time, compatibility, and energy efficiency matter.