Coates Spa Heaters are a trusted choice for spa owners who demand precise temperature control, energy efficiency, and long-lasting performance. Built with premium materials and over 60 years of engineering expertise, Coates heaters are designed specifically for residential and commercial spas, offering reliable electric heating even in the most demanding conditions.
Coates heaters provide rapid and accurate heating for spas of all sizes, using electric elements for clean, efficient performance with no emissions or combustion gases.
With stainless steel tanks, corrosion-resistant components, and heavy-duty construction, Coates spa heaters are known for durability and minimal maintenance.
Equipped with safety features such as flow switches, over-temperature protection, and pressure relief valves, Coates heaters offer peace of mind with every use.
Enjoy a relaxing spa experience with quiet, vibration-free heating – no fans or compressors needed.
Maintain perfect water temperature with user-friendly digital interfaces and precise temperature regulation.
Durable and corrosion-resistant, Coates heaters are built with 316L stainless steel tanks to ensure long-term performance.
Designed for compatibility with saltwater and standard systems, these elements deliver consistent heat and resist wear from minerals or chemicals.
Coates heaters meet stringent safety and sanitation standards, making them suitable for both residential and commercial spa installations.
Coates offers models ranging from 1.5 kW to 18 kW. Smaller units are perfect for home spas and hot tubs, while larger commercial models handle high-use environments.
Available in 240V and 480V configurations, Coates heaters should be matched to your electrical system. Professional installation is recommended for safety and warranty compliance.
Choose models with titanium elements if your spa uses saltwater for improved resistance and longevity.
Ensure correct electrical hookup, grounding, and flow rate to meet safety standards and protect your investment.
Check flow sensors and heating elements seasonally for any signs of wear or scaling.
Maintain balanced water chemistry to prevent mineral buildup and extend the lifespan of the heater.
Yes. Coates heaters provide efficient electric heating, especially in well-insulated spas, helping reduce overall energy use.
Absolutely. Models with titanium elements are specially designed to handle the corrosive effects of saltwater systems.
With proper installation and maintenance, Coates heaters can last over a decade, providing consistent and reliable spa heating.
No. As electric units, they don’t produce exhaust or require venting like gas heaters making them ideal for indoor or enclosed setups.
Yes. Coates heaters are widely used in hotels, wellness centers, and public spas due to their NSF certifications and high-capacity models.