Reliable and efficient 5.5kW electric heater with a stainless steel tank and built-in pressure switch for safe, high-performance heating.
Couldn't load pickup availability
Product Details
The Coates ST Series 12406ST Electric Heater delivers 5.5kW of heating power, making it ideal for residential and small commercial applications.
Designed for efficiency, the stainless steel tank optimizes heat transfer by ensuring water flows directly over the incoloy heating elements.
A built-in pressure switch prevents operation without proper water flow, ensuring safety and reliable performance between 15 gpm and 80 gpm.
This single-phase 240V heater runs at 23 amps, providing a powerful yet energy-efficient heating solution.
Compact and lightweight at just 19 lbs, the heater is easy to install and built for long-lasting durability.
With 18,772 BTUs/hr output, this heater efficiently maintains optimal water temperatures for various heating needs.
AI Review Summary ✨
⭐⭐⭐⭐⭐
Customers praise the heater’s durable stainless steel tank and efficient heat transfer system.
Users love how the built-in pressure switch enhances safety and ensures reliable operation.
The lightweight and compact design makes it a top choice for those needing an easy-to-install heating solution.
Many reviewers highlight its powerful heating output and overall value compared to similar models.
Features
Powerful Heating – 5.5kW heating capacity for effective temperature control.
Stainless Steel Tank – Maximizes heat transfer and durability.
Incoloy Heating Elements – Resistant to corrosion and high temperatures.
Built-in Pressure Switch – Prevents dry operation and ensures proper flow between 15-80 gpm.
Single-Phase 240V – Operates efficiently with a 23-amp power draw.
Compact & Lightweight – Weighs only 19 lbs for easy installation.
High Heat Output – Generates 18,772 BTUs/hr for consistent heating performance.
Specifications
Model Number: 12406ST
Kilowatts: 5.5
Voltage: 240
Phase: 1
Amps: 23
BTUs/hr: 18,772
Flow Rate: 15-80 gpm
Shipping Weight: 19 lbs
Frequently Asked Questions
Q: What is the required water flow rate for this heater?
The heater operates safely with a water flow rate between 15 and 80 gallons per minute, ensuring efficient heating performance.
Q: Can this heater be used for a small residential pool or spa?
Yes, this heater is suitable for residential pools and spas, providing effective heating with its 5.5kW power capacity.
Q: Does this heater require professional installation?
While it is relatively easy to install, a licensed electrician is recommended to ensure safe and proper electrical connections.
Say goodbye to guesswork with our easy-to-use tester that provides fast and accurate readingsfor: Total Chlorine, Total Hardness, Free Chlorine, Cyanuric Acid, Total Alkalinity, Bromine, and pH Levels.
<div class="dynamic-checkout__content" id="dynamic-checkout-cart" data-shopify="dynamic-checkout-cart"> <shopify-accelerated-checkout-cart wallet-configs="[{"name":"shop_pay","wallet_params":{"shopId":26521534554,"merchantName":"AquaDoc"}},{"name":"amazon_pay","wallet_params":{"checkoutLanguage":"en_US","ledgerCurrency":"USD","placement":"Cart","sandbox":false,"merchantId":"A2HNGNTX6KDCDX","productType":"PayAndShip","design":"C0002"}},{"name":"paypal","wallet_params":{"shopId":26521534554,"countryCode":"US","merchantName":"AquaDoc","phoneRequired":false,"companyRequired":false,"shippingType":"shipping","shopifyPaymentsEnabled":true,"hasManagedSellingPlanState":null,"requiresBillingAgreement":false,"merchantId":"BYL4VLZSTTEWG","sdkUrl":"https://www.paypal.com/sdk/js?components=buttons\u0026commit=false\u0026currency=USD\u0026locale=en_US\u0026client-id=AfUEYT7nO4BwZQERn9Vym5TbHAG08ptiKa9gm8OARBYgoqiAJIjllRjeIMI4g294KAH1JdTnkzubt1fr\u0026merchant-id=BYL4VLZSTTEWG\u0026intent=authorize"}}]" access-token="4e4619d038f47707f8ef9220956a11fe" buyer-country="US" buyer-locale="en" buyer-currency="USD" shop-id="26521534554" cart-id="54ce456e45ed957df86826fee747222c" > <div class="wallet-button-wrapper"> <ul class='wallet-cart-grid wallet-cart-grid--skeleton' role="list" data-shopify-buttoncontainer="true"> <li data-testid='grid-cell' class='wallet-cart-button-container'><div class='wallet-cart-button wallet-cart-button__skeleton' role='button' disabled aria-hidden='true'> </div></li><li data-testid='grid-cell' class='wallet-cart-button-container'><div class='wallet-cart-button wallet-cart-button__skeleton' role='button' disabled aria-hidden='true'> </div></li><li data-testid='grid-cell' class='wallet-cart-button-container'><div class='wallet-cart-button wallet-cart-button__skeleton' role='button' disabled aria-hidden='true'> </div></li> </ul> </div> </shopify-accelerated-checkout-cart> <small id="shopify-buyer-consent" class="hidden" aria-hidden="true"> One or more of the items in your cart is a recurring or deferred purchase. By continuing, I agree to the <span id="shopify-subscription-policy-button">cancellation policy</span> and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. </small> </div>
Choosing a selection results in a full page refresh.
