Waterway Executive 4.0 HP [12.0A] [1S] Pump (3711621-13) pentairpool Useful when the original blower

Useful when the original blower is weak or failed

A properly selected electrode assembly helps preserve the intended operating behavior of the system and makes the repair feel more application-correct

The 010058F is a practical service part when a compatible Raypak heater needs an ASME tube bundle to restore dependable heat-transfer performance

In multiport valve systems

Waterway Executive 4.0 HP [12.0A] [1S] Pump (3711621-13) pentairpool Useful when the original blowerThe Waterway 3711621 13 Executive pump is designed for compatible applications and features a 4. 0 HP motor rated at 12. 0 amps in a single speed configuration. A pump like this is useful because it provides a complete replacement solution when the original unit needs full renewal rather than a part by part rebuild. Higher horsepower Executive pumps are often selected for demanding spa and water movement applications where dependable output matters.