Spa Heater Parts

Spa Heater Parts for Hot Tubs, Spas, and Pool Heating Systems

Keep your spa heating system running properly with replacement spa heater parts from Aqua Terra Backyard. This collection includes flow-through spa heaters, low-flow heaters, heating elements, temperature sensors, high-limit sensors, heater cables, sensor mounts, thermowells, gas valves, ignition wires, pilot assemblies, burner trays, heat exchanger tube bundles, circuit boards, and other parts used to repair or maintain hot tubs, spas, and select pool heater systems. Whether you are replacing a failed heater assembly, fixing a temperature issue, restoring heat after an error code, or matching an exact OEM part number, this collection is built to help you find the right component with less guesswork.

We carry spa heater parts and related heating components from leading pool and spa brands, including Balboa Water Group, Raypak, Waterway Plastics, Spa Components, Hydro-Quip, Jandy, Tecmark, Zodiac, and other trusted manufacturers. Balboa heater assemblies, sensors, and cable kits are commonly used in electric hot tub control systems, while Raypak replacement parts support gas heater service and repair for compatible pool and spa heater models. You can also browse related categories like Spa Heaters, Heater Parts, Pool & Spa Parts, Control Boards, Spa Control Systems, Spa Pumps, and Pool Heater Parts if you are working through a larger repair.

Finding the correct spa heater part matters because voltage, kilowatt rating, plumbing size, sensor style, cable length, control pack type, heater configuration, and model compatibility can all affect fitment. Always compare the part number, heater label, control box model, spa pack information, and existing component before ordering. If you are unsure which replacement heater, sensor, element, cable, gas valve, or heater repair part fits your system, contact Aqua Terra Backyard with the brand, model number, serial number, and photos of the current part. We will help you narrow down the right replacement before you buy.