Waterway EX 2 48 Frame 2 Speed Spa Pump 2 HP 3421021-1U Parts & Diagram

Replacement parts and exploded parts diagram for the Waterway EX 2 48 Frame 2 Speed Spa Pump 2 HP (model 3421021-1U). Find the part on the diagram, then look for the same number (#) next to each part in the Available Parts list and add the parts you need to your cart.

Parts marked Alternate are compatible replacements from other manufacturers.

Other Parts on This Diagram

These parts are not listed for online purchase. Contact us with the diagram number and part number to order.

  • #2 – 805-0112 – Drain Plug Oring
  • #5 – 319-1270 – Wear Ring EX2
  • #6 – 310-2330 – 1.5HP EX2 Impeller
  • #6 – 310-2300 – 2.5HP EX2 Impeller
  • #9 – 315-2301 – EX2 Volute Housing

Please confirm your model number matches your existing equipment before ordering.

GTIN:
SKU: DIAGRAM-3421021-1U
Brand: Waterway
Price range $4.77 - $42.92
Tax and shipping are calculated at checkout.

Available Parts & Components

  • Waterway .510 18TPI PLUG EX2 - 715-4020

    Waterway .510 18TPI PLUG EX2 - 715-4020

    SKU: 715-4020
    View product
    $18.60
  • Aladdin Shaft O-Ring Universal Stem/ Drain/ - O-39-9

    Aladdin Shaft O-Ring Universal Stem/ Drain/ - O-39-9

    SKU: O-39-9
    View product
    $4.77
  • Polaris O-Ring F/Shaft 5Pk - P40

    Polaris O-Ring F/Shaft 5Pk - P40

    SKU: P40
    View product
    $17.37
  • Waterway Machine Screw #8-32x5/8

    Waterway Machine Screw #8-32x5/8" - 819-1110

    SKU: 819-1110
    View product
    $16.65
  • Waterway 2HP EX2 IMPELLER - 310-2340

    Waterway 2HP EX2 IMPELLER - 310-2340

    SKU: 310-2340
    Out of stock
    View product
    $42.92
  • Waterway Ex2 Impeller 3 Hp - 310-2350

    Waterway Ex2 Impeller 3 Hp - 310-2350

    SKU: 310-2350
    View product
    $35.64
  • Waterway Carbide / Silicone Pump Seal Set - 319-3090

    Waterway Carbide / Silicone Pump Seal Set - 319-3090

    SKU: 319-3090
    View product
    $26.40
  • Waterway EX2 Volute O-Ring - 805-0164

    Waterway EX2 Volute O-Ring - 805-0164

    SKU: 805-0164
    View product
    $16.53
Subtotal $0.00
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Section title

Replacement parts and exploded parts diagram for the Waterway EX 2 48 Frame 2 Speed Spa Pump 2 HP (model 3421021-1U). Find the part on the diagram, then look for the same number (#) next to each part in the Available Parts list and add the parts you need to your cart.

Parts marked Alternate are compatible replacements from other manufacturers.

Other Parts on This Diagram

These parts are not listed for online purchase. Contact us with the diagram number and part number to order.

  • #2 – 805-0112 – Drain Plug Oring
  • #5 – 319-1270 – Wear Ring EX2
  • #6 – 310-2330 – 1.5HP EX2 Impeller
  • #6 – 310-2300 – 2.5HP EX2 Impeller
  • #9 – 315-2301 – EX2 Volute Housing

Please confirm your model number matches your existing equipment before ordering.

Key Features

  • Exploded parts diagram for the Waterway EX 2 48 Frame 2 Speed Spa Pump 2 HP (model 3421021-1U)
  • 8 replacement parts available to order online
  • Diagram number shown next to every part for easy matching
  • Genuine Waterway parts plus compatible alternates
  • Add multiple parts to your cart at once