Waterway 0.75 HP [16.0A] Universal Booster Pump (3810430-1PDA) grasslin and this Laing Thermotech SM-1212-NH-21-1

and this Laing Thermotech SM-1212-NH-21-1 version is a 230 volt model with a 1 inch barb connection using the 6050U0011 reference

Because heater parts can look similar across different brands and model years

The Pentair and Hayward compatibility

1 inch hole size with 1-1/2 inch face diameter

The 21063-801-000 is a practical service part when a compatible heater needs half unions to restore dependable plumbing connection support

Waterway 0.75 HP [16.0A] Universal Booster Pump (3810430-1PDA) grasslin and this Laing Thermotech SM-1212-NH-21-1The Waterway 3810430 1PDA universal booster pump is designed for compatible applications and features a 0. 75 HP motor rated at 16. 0 amps. A pump like this is useful because it provides a complete replacement solution where a dedicated booster pump is needed to restore the original system setup and operating function. Booster pumps often play a specialized supporting role in a larger pool or spa system, so selecting a correct Waterway replacement can