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Danner Pondmaster Air Pumps

  • SKU: PM-04520
  • Stock:
  • Brand: Danner
  • Type: Pond Aeration
  • Barcode: 025033045200
Regular price $199.00
Sale price $248.74
Model: AP-20
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Danner Pondmaster Air Pumps
Danner Pondmaster Air Pumps
Regular price $199.00
Sale price $248.74

The Danner Pondmaster AP-Series Air Pumps are designed to improve oxygen levels and water circulation in ponds while supporting healthier aquatic environments for fish and beneficial bacteria. Suitable for a wide range of pond aeration applications, these pumps deliver steady airflow with energy-efficient performance.

Powered by an oil-less motor, AP-Series air pumps operate quietly and efficiently while requiring no lubrication. Their simple design makes them easy to install and maintain, making them a practical choice for pond owners looking to improve water quality and circulation.

By increasing oxygen transfer and reducing stagnant water conditions, proper aeration can help support fish health, improve biological filtration, and reduce excess organic buildup within the pond ecosystem.

Why Choose Danner Pondmaster Air Pumps?

  • Energy Efficient Operation: Oil-less motor design helps reduce power consumption.
  • Steady Airflow: Provides reliable aeration for ponds and water features.
  • Quiet Performance: Designed to minimize operational noise.
  • Easy Installation: Simple setup for a variety of pond aeration applications.
  • No Lubrication Required: Low-maintenance motor design simplifies upkeep.
  • Improved Water Circulation: Helps reduce stagnant areas and distribute oxygen more effectively.
  • Supports Pond Health: Assists fish, beneficial bacteria, and overall ecosystem balance.
  • Air Manifold Included: Simplifies connection to multiple aeration accessories.

How to Choose an Air Pump for Your Pond

  • Pond Size: Larger ponds require greater airflow capacity to maintain oxygen levels.
  • Pond Depth: Deeper ponds may require stronger pumps to deliver air effectively to the bottom.
  • Fish Population: Higher fish loads increase oxygen demand.
  • Noise Level: Consider quieter models if the pump is installed near living areas.
  • Energy Efficiency: Lower wattage pumps can reduce long-term operating costs.
  • Aeration Accessories: Proper diffusers and air stones improve oxygen transfer efficiency.

NOTE

For outdoor installations, it is recommended that the air pump be enclosed or protected from direct exposure to weather conditions. Always use a check valve to help prevent water backflow into the pump.

PRO TIP

Position aeration diffusers near the deepest area of the pond whenever possible to maximize circulation and improve oxygen distribution throughout the entire water column.

AP20 - 04520AP40 - 04540AP60 - 04560AP100 - 04580
Air Volume1700 cu.in/min2900 cu.in/min5500 cu.in/min9150 cu.in/min
Maximum Water Depth7'9.6'10'11.5'
Noise Level40 dba40 dba45 dba45 dba
Watts204060100
Weight5 lbs9 lbs14 lbs16.5 lbs
Air Manifold Outlets6121433
Pressure4.0 psi4.85 psi5.66 psi6.53 psi
Liters28 L/min.47 L/min.90 L/min.150 L/min.
Dimensions (L x W x H)8 1/2" x 5 1/2" x 6"9 5/8" x 6 5/8" x 7"10" x 7 1/2" x 8 1/2"11 3/4" x 8" x 8 7/8"
Cord Length6'
NoteCan Accept 5/8" I.D. Tubing to
Extend Distance between Air Pump and Manifold
Can Accept 3/4" I.D. Tubing to
Extend Distance between Air Pump and Manifold

Product Manuals
Danner Pondmaster AP Air Pumps
Shipping Information

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

  • Orders over $250 ship free across North America.
  • 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.
  • All returns require prior authorization. Items sent without approval will not be accepted.
  • Shipping costs are non-refundable unless the item is confirmed defective upon delivery.
  • Items marked as Clearance, Special Order, or Final Sale are non-returnable and cannot be cancelled, returned, or refunded.

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

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