Waterway Executive 56 Frame 2HP 2-Speed 2" Intake 2" Discharge | 3720821-1DWaterway Executive 56 Frame Spa Pump, 2 HP, 2 Speed, 230V, 2 in. Intake and Discharge, 3720821-1D In stock$40799
Waterway Executive 56 Frame 2HP 2-Speed 2" Intake 2" Discharge | 3720821-1D
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Waterway Executive 56 Frame Spa Pump, 2 HP, 2 Speed, 230V, 2 in. Intake and Discharge, 3720821-1D

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$40799
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Quick overview

  • Motor 2 HP, 2 speed, 230 volt, 60 Hz, 56 frame motor.
  • Amp draw 8.0 amps on high speed and 3.0 amps on low speed.
  • Plumbing 2 in. intake and 2 in. discharge, bolt through flange.
  • Wet end Large 6-1/2 in. diameter wet end for higher head pressure, with Viton seals.
  • Motor protection Thermally protected, with a split start and run capacitor for lower energy use.
  • Quiet and durable Two double shielded ball bearings with moisture resistant grease for quieter operation and longer life.
Full description and specifications ↓

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Product details

The Waterway 3720821-1D is the Executive 56 frame spa pump with a 2 HP, 2 speed, 230 volt motor and 2 in. intake and discharge.

Motor and electrical

The 56 frame motor runs on 230 volts at 60 Hz and draws 8.0 amps on high speed and 3.0 amps on low speed. The two speed motor has four sets of insulated windings for increased efficiency, and the split capacitor, start and run, lowers energy consumption. The motor is thermally protected to extend its life expectancy.

Wet end

The Executive wet end is designed specifically for 56 frame motors and has a large 6-1/2 in. diameter for higher head pressure. It has a 2 in. intake and a 2 in. discharge with a bolt through flange, uses Viton seals, and can be rotated every 90 degrees. Two double shielded ball bearings with moisture resistant grease give quieter operation and longer life.

Before you order

Check that your spa has 2 in. plumbing and a 230 volt supply.

Specifications
Brand Waterway
Manufacturer part number 3720821-1D
UPC 806105076779
Type Spa pump
Series Executive
Horsepower 2 HP
Speed 2 speed
Voltage 230 V, 60 Hz
Motor frame 56 frame
Amps 8.0 high speed, 3.0 low speed
Intake size 2 in.
Discharge size 2 in.
Wet end diameter 6-1/2 in.
Seals Viton
Shipping weight 33.4 lb
Ships Parcel

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Questions and answers

What people ask about this product, answered by our pool techs.

What motor does the Waterway 3720821-1D spa pump have?
It has a 2 HP, 2 speed, 230 volt, 60 Hz, 56 frame motor that draws 8.0 amps on high speed and 3.0 amps on low speed.
What size are the intake and discharge on the 3720821-1D?
The Waterway 3720821-1D has a 2 in. intake and a 2 in. discharge, with a bolt through flange.
Can the wet end be turned to change the pump position?
Yes. The Executive wet end is highly versatile and can be rotated every 90 degrees.
Is the Waterway 3720821-1D thermally protected?
Yes. The motor is thermally protected to extend its life expectancy.
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