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Hi Limit Nut Item # CZXNUT6404
Product Description

Hayward electric spa heaters contain all of the sophisticated features and capabilities of heaters twice their size. They fit into compact spaces - even under spa skirts or steps. Like all Hayward heaters, they are easy to install and service.


  • 304 stainless steel tank
  • 304 stainless steel threaded head, safety sensor electric heating element
  • Service-ease design gives simple access to internal controls
  • Heater on indicator light
  • UPS Shippable
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