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Coates ST Series Electric Spa Heater 5.5 kW 240V - 12406ST

Availability: In Stock

Regular Price: $589.99

Sale Price $509.99

You Save: $80.00  (13%)

Quick Overview

The Coates ST Series Compact Electric Spa Heaters are available in 5.5kW and 11kW versions. Coates ST Series Heaters are small to medium residential electric heaters which are designed for spas, hot tubs and smaller swimming pools. The ST Heater is equipped with a built-in pressure switch designed to prevent operation when no water flow is present. The switch will allow operation at flow rates between 15 gallons per minute (GPM) and 80 gallons per minute (GPM). The design of the Coates stainless steel tank optimizes heat transfer by efficiently directing the water flow over the incoloy elements.


Electric heaters are becoming more and more popular as the option for natural gas or propane can be too expensive or not available at all. The Coates Electric Heater company has been producing a full line of quality electric pool and spa heaters since 1955 and they continue to build reliable, high quality products today. All Coates Electric Heaters engineered and designed to last providing years of reliable, trouble-free performance.

  • Ideal for spas from 250 to 600 Gallons
  • Incoloy 825 heating element
  • Close differential thermostat
  • Manual reset Hi Limit
  • Pressure switch
  • Heavy duty contacts
  • Element and flow "on" lights
  • 1-1/2" x 2" union connections for PVC pipe
  • U.L. Listed for Indoor and Outdoor Installation´╗┐
Additional Information
Delivery Time 2-5 Business Days
Manufacturer Coates
Technical Specs

Model #: 12406ST
Length: 17-1/2"
Width: 4"
Height: 14"
Voltage: 240V
5.5 kW

SKU CHC-15-504
Manufacturer Part # 12406ST
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