Best Swimming Pool Heater Parts of 2026

The Funmit 42002-0024S Stack Flue Sensor Replacement is a universal replacement part that fits both Pentair MasterTemp and Sta-Rite Max-E-Therm pool and spa heater electrical systems. This durable stainless steel sensor prevents flue gas output from exceeding 500 degrees F, operates in a temperature range of -20°C to 105°C, and fixes typical error codes E-02, E-05 and E-06. With easy thread installation, it can be replaced in a matter of minutes.

The Funmit Spa Heater Sensors offer a reliable solution to keep your Pentair spa or pool heater running safely and efficiently. These sensors include a heater thermistor, a high limit switch, and a stack flue sensor, all designed to work seamlessly with popular Pentair heater models. Made from rust-resistant stainless steel, they are built to last and simple to install. You can easily find installation videos online to guide you through the process, saving you from costly repairs or professional service calls. These sensors help monitor temperature levels to prevent overheating and ensure your heater operates within safe limits, giving you peace of mind and protecting your equipment.

The Funmit Flue Sensor is a high-quality replacement for the Pentair Sta-Rite, MasterTemp, and Max-E-Therm pool and spa heaters electrical systems. Made of stainless steel, this sensor is durable and rust-free, ensuring long-lasting performance. It is easy to install and comes with a thermal protection wire sleeve for added safety. With its direct replacement feature, you can easily replace the old sensor with this one. Simply find a video on YouTube for step-by-step instructions. The Funmit Flue Sensor also offers peace of mind with its 30-day limited warranty. If you encounter any quality issues, the Funmit customer service team is ready to assist you. Upgrade your pool or spa heater system with the Funmit Flue Sensor and enjoy worry-free operation.

The Funmit 42001-0063S High Limit Switch Replacement is a universal replacement part for Pentair Sta-Rite, MasterTemp, and Max-E-Therm pool and spa heaters electrical systems. Its function is to detect when water temperature exceeds safe level and automatically opens heat exchanger outlet. With easy installation, it helps users save money by not having to pay for expensive repair calls or high prices at pool stores. It comes with a 30-day limited warranty from Funmit, and users can enjoy 24-hour pro tech online service.

Replace your Pentair Sta-Rite, MasterTemp, or Max-E-Therm pool and spa heater's electrical system with the rust-free stainless steel Funmit 42001-0053S Heater Thermistor Replacement Part. With an operating temperature range of -20°C to 80°C, it is easy to install by following the Youtube video, and comes with a 30 day limited warranty and 24-hour online customer support.

The OYENDE Pool Heater Igniter is designed to quickly fix common pool heater issues like uneven heating or a burnt smell, helping you keep your water warm and comfortable. It fits a wide range of Pentair Sta-Rite heaters, ensuring you get the right part without hassle. Made from durable, heat-resistant materials, this igniter can handle high temperatures and offers reliable performance for both pools and spas. Plus, it’s easy to install, making it a convenient choice whether you’re a DIY enthusiast or a professional, so you can get your heater working smoothly again in no time.

The Xzionh Hot Tub Heater is designed to fit a wide range of spa brands, making it a versatile choice if you need a replacement heating element. Made from high-quality titanium, it resists corrosion, which means it will last longer and keep your hot tub running smoothly. Replacing your old heating element on time with this product helps protect your hot tub’s overall lifespan, preventing damage caused by worn-out parts. Plus, its simple design allows for easy installation, especially if your heater has a flo-thru metal tube housing. This makes maintenance hassle-free and keeps your spa ready for relaxing soaks.

The VigiFront Heater Control Kit comes with a control board and a protective film pad designed to work together for smooth operation of your pool or spa heater. The control board is built with quality materials like copper foil laminate and solid-state capacitors, giving you reliable moisture resistance and electrical safety. With this kit, you can enjoy faster heating and more accurate temperature control, making your swimming or spa sessions more comfortable. It’s also designed to fit perfectly with popular heater models, so you can easily replace your old control board and get your equipment working again without hassle.

The Lisnhlin ECS0275 Sensor is designed to work perfectly with AquaCal pool heater heat pumps, giving you a hassle-free upgrade that fits right in. It provides accurate water temperature readings, so you can keep your pool at just the right warmth without guesswork. Built tough with high-quality materials, this sensor stands up to poolside conditions to deliver reliable performance over time. Plus, installation is simple and quick, allowing you to replace your old sensor without needing special tools or calling a pro. This makes managing your pool heater easier and more efficient for you.

The ZAIGANMA Pool Heater Kit is designed to work with Pentair Sta-Rite and MasterTemp pool and spa heaters, ensuring you get the right fit for your system. It includes a gas shutoff switch that automatically stops the heat if the water temperature goes above 140°F, keeping your pool safe. The kit also has reliable thermistors that quickly respond to temperature changes, helping maintain a comfortable pool temperature. Additionally, a high limit switch protects your heater by shutting off the heat if water gets too hot. With these features, you can enjoy a safer and more efficient pool heating experience.