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Hot Tub & Spa Heaters

Shop our selection of spa heaters, assemblies and found the replacement parts you need for your spa heater.

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Hot Tub Heaters & Elements 
A hot tub or spa heater is an essential part of how your spa operates. This vital component is responsible for maintaining the desired water temperature and ensuring that you have a comfortable and relaxing soak every time. Whether you’re in the market for a new and more efficient spa/hot tub heater or hot tub/spa heater elements to fix your existing heater, Pool Supply Unlimited has your selection of best-in-class hot tub heaters and elements to keep your spa running its best for years to come.
 
We carry a wide variety of gas and electric hot tub heaters from industry-leading pool and spa brands like Hayward, Pentair, Raypak, and Coates. Choose from hot tub heaters with sophisticated features, powerful capabilities, and easy-to-install designs that are also easy to service! From compact, energy-efficient models to larger, high-performance heaters, we have something to suit every need.
 
Discover More From Pool Supply Unlimited
In addition to heaters and hot tub heating elements, we offer a great selection of spa and pool supplies for year-round maintenance and care of your water features. Browse Pool Supply Unlimited to stock up on a variety of spa chemicals, spa thermostats, spa skimmers, and other spa supplies necessary to keep your spa water clean, clear, and ready for enjoyment. Shop today!
 
Frequently Asked Questions:
 
What is the Best Tub Heater?
When it comes to selecting the best hot tub heater, it largely depends on your preferences, needs, and the type of hot tub you own. One standout option is the electric spa heater. Electric spa heaters are known for their efficiency and reliability. They heat the water quickly, ensuring you spend more time enjoying your hot tub and less time waiting for it to warm up.
 
One popular choice in the electric spa heater category is the Pentair MasterTemp 125 Spa Heater. Renowned for its advanced technology and durability, it efficiently maintains your desired water temperature for a luxurious and consistent spa experience. Keep in mind the size of your hot tub when choosing a heater to ensure it's appropriately sized for optimal performance.
 
Is it better to leave the hot tub heater on all the time?
While personal preferences and usage patterns vary, it's generally not necessary to leave the hot tub heater on all the time. Modern hot tub heaters, especially electric spa heaters, are designed with energy efficiency in mind.
 
It's more practical to use a timer or a programmable thermostat to heat the water just before you plan to use the hot tub. Turning the heater on a few hours before your soak ensures that the water is at the desired temperature when you're ready to relax. This not only conserves energy but also extends the lifespan of the heater.
 
However, in colder climates or during the winter months, leaving the hot tub heater on a lower setting to prevent freezing is advisable. Always refer to the manufacturer's guidelines and consider energy-saving features when making decisions about the operational schedule of your hot tub heater.
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Swimming Pool Heating Guide
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Considering a heat source for your pool but not sure what's best for you? Our guide may be the perfect primer for you to weigh the benefits of heat pumps, gas heaters and solar options and make an informed decision to extend your swim season.
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ABOUT THE STORE
Pool Supply Unlimited is an e-commerce company that loves water. We love to pump it, filter it, heat it, chlorinate it, light it up and stare at it while we're barbequing a fat, juicy steak. There are real pool professionals working here. Our guys have seen thousands of pools in their careers, no exaggeration. We are based in San Antonio, TX and can land most products to your door (within the 48 contiguous states) in less than a week.
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