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Keller-Heartt has Truegard Propylene Glycol Heat Transfer Fluids in both Inhibited and Food Grade! Order Today!
Propylene Glycol Available. Order Today!

Frequently asked questions

Find answers to common questions about our products and services
  • This switch is designed specifically as a replacement for the ZVA Sidewinder Tube Skimmer. Compatibility with other tube skimmer models is not specified.

  • This is a genuine OEM (original equipment manufacturer) replacement switch, meaning it is the same component used in the original ZVA Sidewinder Tube Skimmer build rather than a third-party substitute.