Description of Coates ST Series In Line Electric Heaters: 5.5KW and 11KW Single Phase.

Coates has been the name to trust for quality and reliability in water heating equipment since the 1940's and continues to lead the industry in quality and performance. Coates pool and spa heaters are available from 1.5kW to 57kW and most can be ordered in single or three phase models. For large commercial applications, we also offer heaters up to 300kW.

ST Series Spa Heaters feature:
Incoloy heating element.
Close differential thermostat.
Manual reset hi-limit.
Pressure switch.
Element and flow switch on light.
Heavy-duty contactors.
1 _ x 2 inch PVC union connections.
UL Listed for Indoor/Outdoor Installation.

The ST Series built in pressure 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.

Click on Additional Specifications to view the Coates Spa Heater Sizing Chart. This compact spa heater is available in 5.5 kW or 11 kW.