Hot Tub Heaters For Sale

Quick Spa Parts - spa and hot tub heater parts and products for sale online at the best price.

At QuickSpaParts, we understand the heater is one of the most critical components of your spa. Our state-of-the-art heaters are engineered to heat your spa efficiently by transferring the maximum amount of heat directly to the spa water. These efficient heaters are designed to perform, while saving you money in operating costs. Best of all, QuickSpaParts heaters are built by a leading spa manufacturer that understands what you want and need in a spa heater.

Heaters
Quick Spa Parts - Heaters for sale online at the best price.

Hot tub electric heaters are a common type of spa heater that use electricity to heat the water. They are typically easy to install and operate and can be more energy-efficient than gas heaters. Electric heaters are available in various sizes and can be suitable for both small and large hot tubs.

You can find hot tub Heaters for sale here.
Heater Parts
Quick Spa Parts - Heater Parts for sale online at the best price.

Some common spa heater component parts include the heating element, pressure switch, thermostat, and high-limit switch. The heating element is responsible for heating the water, while the pressure switch ensures that the water pressure is at a safe level. The thermostat regulates the temperature, and the high-limit switch prevents the water from overheating.

You can find hot tub Heater Parts for sale here.

What Are Hot Tub Heater Components?

The heater is the part of your hot tub that keeps the water at your desired temperature. In a hot tub, the heater is made up of several critical electrical and mechanical components that work together to provide consistent warmth. The key parts include:

  • Heater element– the coil that physically heats the water as it passes through.
  • Heater housing– a stainless steel or composite tube that encases the element.
  • Sensors– such as temperature sensors and high-limit switches, which regulate operation and protect against overheating.
  • Pressure/flow switch– ensures water is moving properly before the heater turns on, preventing dry fire damage.

These components are built for durability, but over time they can wear out, corrode, or burn out due to scale buildup, poor water chemistry, or electrical issues. That’s when spa owners begin searching for replacement parts, often typing queries like “hot tub heater for sale near me” or shopping online for discount deals on heater assemblies.

Why Are Hot Tub Heater Components Important?

  • Comfort
    Warm water is the foundation of the hot tub experience. Without a functioning heater, your spa is just a cold tub.
  • Therapeutic Benefits
    Consistent heat promotes muscle relaxation, improved circulation, and stress relief.
  • System Protection
    Safety components like high-limit switches prevent damage by shutting down the heater if conditions aren’t safe.
  • Efficiency
    A well-maintained heater runs more efficiently, saving energy and reducing operating costs.

Signs Your Hot Tub Heater Needs Replacement

  • Spa water isn’t heating or takes much longer than usual.
  • GFCI breaker trips when the heater tries to turn on.
  • Error codes on the control panel related to heating or temperature sensors.
  • Visible corrosion, scaling, or burn marks on the heater element.
  • Water is only lukewarm despite running the spa for hours.

Buying Tips for Heater Replacement Parts

  • Always confirm voltage (120V or 240V) and wattage compatibility with your spa model.
  • Match the part number from your old heater to ensure a perfect fit.
  • Use genuine replacement parts for reliability and warranty protection.
  • For quick fixes, search “hot tub heater replacement parts for sale near me”.
  • Look online for discount seasonal sales on full heater assemblies or heater elements.

How to Replace a Hot Tub Heater on a Hot Tub

Safety Reminder: Always power off the spa at the GFCI breaker and confirm there is no current before working on heater components.

  1. Turn Off Power and Drain the Spa
    Shut off the breaker completely and drain water below the level of the heater housing.
  2. Access the Equipment Compartment
    Remove the side panel of the spa to reach the control box and heater assembly.
  3. Document Connections
    Take photos of the wiring and plumbing connections for reference.
  4. Disconnect Wiring
    Using a screwdriver, carefully remove the power leads connected to the heater terminals.
  5. Disconnect Plumbing Unions
    Unscrew the unions on either end of the heater tube. Some water may spill out, so have towels ready.
  6. Remove the Heater Assembly
    Lift the heater tube out of the equipment area. Inspect the element, sensors, and housing.
  7. Install the Replacement Heater
    Position the new heater tube in place, reconnect plumbing unions, and tighten securely.
  8. Reconnect Wiring
    Attach the wires exactly as before, ensuring they are tight but not over-torqued.
  9. Check Sensors and Flow Switch
    Confirm that the temperature sensor and high-limit switch are correctly seated in the new heater assembly.
  10. Refill, Restore Power, and Test
    Refill the spa, restore power at the breaker, and allow the system to prime. Test heating function and watch for leaks.