SPA PUMP HELP

To find the right match for your spa motor, you need to consider four key factors: Frame Size, Voltage, Amperage, and Water Connection.

Here’s a simplified guide:

  1. Frame Size: This refers to the size of your motor.

  2. Main spa motors come in two sizes: 48-frame and 56-frame.

    • 48-frame motors are 5.5" in diameter and have a 3-5/8" bolt spacing.
    • 56-frame motors are typically 6.5" in diameter with a bolt spacing of 4-1/4".
    • However, if your motor measures 6.1" in diameter and you’re replacing the wet end, it’s a 56-frame motor but requires a specific 6.1" wet end. The standard 6.3" wet end for 56 frames will not fit.

  3. Voltage: This is the electrical potential of your motor.

  4. Amperage: When matching pumps, it’s recommended to use amperage rather than horsepower, as the marketed horsepower often doesn’t accurately represent the actual horsepower.

  5. Water Connection: This refers to how your motor connects to the water system.

  • Actual vs. Rated: While "rated horsepower" is the maximum continuous power a motor can safely sustain, BHP is the actual power being delivered at a specific moment under a given load.

The term “3.0 SPL” likely refers to the specific power level of a motor. However, converting this directly to horsepower (HP) isn’t straightforward because SPL isn’t a standard unit of measurement for power.

Horsepower is a unit of power that measures the rate at which work is done or energy is transferred. In the context of engines and motors, it’s often used to indicate the output power.

One mechanical horsepower is equivalent to about 745.7 Watts.  Example; 230V x 16 Amp = 3680/745.7 = 4.935 or 5HP

While we’re here to assist and recommend, please note that the responsibility for order correctness lies with the buyer.










Please note that sometimes the red wire is used for the high-speed setting on the motor.
To correct this, simply swap the positions of the black and red wires on the motor.
Make sure to do this with the motor unplugged.

It’s crucial to correctly place the ground (green wire) and common (white wire) first.
Incorrect placement can cause the circuit breaker to trip.

Here’s a guide to wire placement from top to bottom/left to right:

  • Green wire: “G” or “L1”, represents the Ground
  • White wire: “C” or “L2”, represents Common
  • Red/Black wire: “H” or “L3”, represents High Speed
  • Black/Red wire: “L” or “L4”, represents Low Speed

Please ensure all connections are secure and correct before plugging in the motor.

48 Frame Motor






56 Frame



56 Frame