Therm [Hercules] 15" 4.0kW Flo-Thru Incoloy Heater (26-0315-5S-K) paragon this pump impeller is useful

this pump impeller is useful when keeping older Pentair PacFab systems operating cleanly and reliably

Available in the listed package quantity for convenient maintenance

Maintains consistent operation

Supports cleaner and more dependable cleaner service

and this Maytronics Dolphin Wave version uses the 9995721 reference

Therm [Hercules] 15" 4.0kW Flo-Thru Incoloy Heater (26-0315-5S-K) paragon this pump impeller is usefulBuilt for service situations that demand the correct heater geometry and output, Therm [Hercules] 15" 4. 0kW Flo Thru Incoloy Heater (26 0315 5S K) is engineered for Hercules and helps return the spa to stable, predictable heating performance. Its 4. 0kW heating output and 15" heater length should be matched to the original equipment requirements before installation, since spa heaters are not universally interchangeable. For technicians and spa