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Aquascape EXT Pond Pumps

Regular price $3,159.99
Sale price $3,949.99
Size: EXT 12000
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Photo of Aquascape EXT Pond Pumps
Aquascape EXT Pond Pumps
Regular price $3,159.99
Sale price $3,949.99

The Aquascape EXT Pond Pump series delivers industry-leading flow and efficiency in a non-submersible design. Oil-free, low-RPM TEFC motors run quietly for years, while a junction box lets you tailor each pump to 115V or 230V on site. For three-phase installations, EXT-3P models can be paired with a variable frequency drive to fine-tune flow rates and conserve energy.

To streamline installation and priming, the EXT Pump Plumbing Kit #48027 provides every necessary fitting and valve. Once the system is primed, the pump can cycle on and off without losing prime, so you spend less time maintaining and more time enjoying your water feature.

Why Choose Aquascape EXT Pond Pump Series?

  • Ultra-quiet oil-free TEFC motor for long life and low maintenance
  • On-site voltage selection (115V or 230V) via integrated junction box
  • Non-submersible design ideal for discrete installation
  • EXT-3P models accept variable frequency drives for adjustable flow
  • Semi-closed vane impeller handles solids up to 0.75" without clogging
  • EXT 12000 includes a 10' power cord for quick plug-and-play setup

EXT Pump Plumbing Kit

  • Item #48027 includes all fittings and valves for easy install and priming
  • Allows on-site priming so pumps can restart without re-priming
  • Ensures leak-free connections with flanged inlet and discharge components

PRO TIP

For 3-phase installations, program your variable frequency drive to ramp up pump speed over 5–10 seconds—this reduces start-up stress on plumbing and extends component life.

Pump Flow Chart

1200012000-3P1800018000-3P
Item Number45049450514505045052
Inlet3"
Discharge2"
Maximum Flow Rate (GPH)12,50018,400
Maximum Head Height (Feet)21'45'
Maximum Power (Watts)1,1007363,3001,932
Maximum Current (Amps @ Volts)10 @ 115V3.2 @ 230V30 @ 115V8.4 @ 230V
Maximum Current (Amps @ Volts)5 @ 230V1.6 @ 460V15 @ 230V4.2 @ 460V
PhaseSingle3-PhaseSingle3-Phase
Motor HP3/413
Motor EnclosureTEFC
10ft Power Cord*

Product Manuals
EXT Pond Pump 45049, 45050, 45051, 45052
Data Sheets
Data Sheets 12000 | 12000-3P | 18000 | 18000-3P
CAD Details
EXT Pump Drawings EXT Pump Application Drawing | 48027
Shipping Information

We aim to get your pond and water garden supplies to you as quickly as possible.

  • Orders over $199 CAD ship free across Canada (excluding oversized items).
  • A flat rate of $14.99 applies to all smaller orders.
  • Standard delivery takes 1 to 4 business days.
  • Most in-stock items are dispatched within 24 hours.
  • Special order items may require 2 to 14 business days before shipping, depending on availability.
Returns & Exchanges

If something isn’t quite right, we’ve got you covered.

  • Returns are accepted within 30 days of delivery.
  • Items must be unused, in original packaging, and include all parts and proof of purchase.
  • Items marked as Clearance are final sale and cannot be returned or exchanged.

For full details, please review our Shipping Policy and Refund Policy.

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