Waterway .75 to 3.0 HP Hi Flo 2" Side Discharge Pump Volute (315 2500) cgairsystems A tube bundle like this A tube bundle like this is useful because it helps restore one of the core heating components of the system while matching the intended material and fit requirements of the heater A focused replacement like this is especially useful when the motor and surrounding wet end parts remain serviceable and the weakness is isolated to the seal plate itself this Waterway volute is a practical replacement when the main pump housing section needs to be renewed The Waterway 315 2500 pump volute is designed for compatible