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Aqua Ultraviolet

PVC Unions

PVC Unions

Regular price $16.73
Regular price Sale price $16.73
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PVC pipe unions are useful for taking apart filter system components for maintenance or winterization.

A PVC union is a type of plumbing fitting that is commonly used in koi pond equipment setups. PVC unions typically consist of two parts: a male adapter and a female adapter, each with a PVC socket and a threaded end. The threaded ends can be easily screwed together or unscrewed to connect or disconnect the equipment from the PVC pipe.


  • Slip x Slip or Male Threaded x Slip fitting
  • O-ring for watertight seal



  1. Easy maintenance: A PVC union allows you to easily disconnect and remove equipment from your pond without having to cut the PVC pipe. This makes maintenance and cleaning tasks quicker and simpler, which can save you time and effort.
  2. Versatility: PVC unions come in different sizes and types, making them a versatile option for a range of koi pond equipment setups. They can be used to connect different types of equipment, such as pumps, filters, and heaters, to the pond system.

  3. Leak prevention: PVC unions utilize a rubber gasket to create a secure and watertight seal between two PVC pipes. This can help to prevent leaks and spills in your koi pond, which can be especially important for maintaining water quality and the health of your fish.
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