Coates ST Series Electric Spa Heater 5.5KW , 240V, 23 A

Mfg #:
12406ST |
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Important Note About Ordering Coates Heaters

Coates heaters are a made-to-order product. When you order your Coates heater from E-Z Test Pool Supplies, we'll confirm a lead time with the manufacturer which typically can range up to 4-6 weeks. 

Coates ST Series Electric Spa Heater

The built-in flow switch prevents operation when there is no water flow and allows operation at flow rates between 15GPM and 80GPM. The stainless steel tank is designed to optimize heat transfer by directing the water flow over the incoloy elements efficiently.


  • Incoloy heating elements
  • Digital thermostat
  • Manual reset high temp limit
  • Flow switch
  • Heavy duty contactors
  • Element “on” light
  • 1-1/2 x 2″ union connections for PVC pip


Technical Data

  • 17-1/2″L x 4″W x 14″
  • Single phase
  • UL Listed for indoor/outdoor installation