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Overwintering Equipment

Overwinter your pond fish with the Water Works Ponds overwintering system. Pond fish can over-winter as little as 2' of water and will 'sleep' through this period in the cool water. 

Pro Air 20

Pro Air Diaphragm Air Pump Kits

Pro Air  Aerator Pumps feature weatherproof, continuous duty, diaphragm compressors specifically designed for year-round usageIdeal for aeration and circulation in warm weather, these aerators are also excellent for de-icing and gas exchange in freezing weather. With diffuser options for ponds from 1,000 to 15,000 gallons. Pro Air  Aerator Pumps adapt to most backyard ponds.

The energy-efficient, outdoor-rated compressor with heavy-duty metal housing stands up to the elements, and its integrated rubber feet effectively minimize noise and vibration. Specially-designed, maintenance-free, 10″ aeration diffusers use a self-cleaning rubber membrane which expands to clear clogging dirt and debris. The diffusers’ interior weighted ballast keeps them at the bottom of the pond without the need for additional weights.

The kit includes freeze-resistant 3/8″ braided aeration tubing with a pre-installed check valve built to last in all seasons. 


Pro Air 60

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Koi-Air Diffuser
The membrane sleeve produces fine microbubbles for enhanced water oxygenation. The sleeve can be removed for cleaning or replacement.

The base plate helps protect the diffuser and from settling into the mud

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3/8" Negative Weighted Tubing
Negatively weighted tubing for transferring air to an air diffuser underwater and avoid condensation issues.  Vinyl tubing floats on the surface and can be prone to freezing condensation. This could prevent air from getting to the air diffuser which would be catastrophic to the fish overwintering in your pond.
Perfect for upgrading a new or existing aeration system.

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Submersible Heaters
These energy-efficient floating & submersible heaters keep your pond water from freezing.
Premium Cast Aluminum Floating Stock Tank De-Icer keeps water from freezing during the winter, even in sub-zero temperatures.

  • The floating stock tank de-icer is thermostatically controlled to operate automatically when the water temperature cools to 35 degrees or less

  • Also designed for use in all rubber, plastic, or metal stock tanks

  • 5-foot cord

  • Cast aluminum design for durability

  • Made in the USA

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500 watt heater
1250 watt heater

Gripper with End of Pipe Plug


  • Ideal for preventing water from entering the pipe fitted with a union connector

  • Extra large Zinc wing nut for ease of tightening, no wrench required

  • Natural rubber o-ring provides excellent expansion and memory

  • Abs glass-reinforced plates for added strength

  • Easy to install with extra-large wing nut

  • Inside of pipe seals inside pipe as far as needed

  • 1.5" and 2" sizes available

Camlock Fitting Type Propylene Male Plug


  • Ideal for preventing water from entering the pipe fitted with a camlock connector

  • Easy to install

  • 1.5", 2" and 3" sizes available

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