The Waterway 310-7420 impeller is designed for compatible 1.0 HP SVL56 and Champion high pressure pump applications and is also referenced for 1 and 2-speed use with a 1.5 HP uprated configuration. A part like this is useful because it restores the pump’s water-moving element while matching a more specific high-head version of the original design.Detailed specifications like speed compatibility and uprated motor references matter during service because they help narrow the correct replacement within similar-looking pump families. This Waterway impeller is a strong choice when the repair depends on restoring the original high-head setup accurately.For compatible SVL56 and Champion high pressure pump repairs, this Waterway impeller is a practical replacement when a 1.0 HP high-head impeller with the listed speed and uprated compatibility is needed. Waterway high-head pump impeller Designed for compatible SVL56 and Champion applications Referenced for 1 and 2-speed use and 1.5 HP uprated setups Helps restore the main water-moving pump element Useful for precise repair and rebuild work