--- product_id: 517195325 title: "Mxmoonant Hot Tub Heater 3KW 220V Electric Pool SPA Heater Water Thermostat | 104℉ Temperature Knob Control, Self Heating, High Temp Protection, 1.5” PVC Plumbing for 500 Gals Spa, Bathtub, Small Pool" price: "$425.99" currency: USD in_stock: true url: https://www.desertcart.us/products/517195325-mxmoonant-hot-tub-heater-3kw-220v-electric-pool-spa-heater store_origin: US region: United States of America --- # 220V high voltage efficiency Dry burning & high temp protection 3KW powerful heating Mxmoonant Hot Tub Heater 3KW 220V Electric Pool SPA Heater Water Thermostat | 104℉ Temperature Knob Control, Self Heating, High Temp Protection, 1.5” PVC Plumbing for 500 Gals Spa, Bathtub, Small Pool **Price:** $425.99 **Availability:** ✅ In Stock ## Summary > 🔥 Heat your haven, hassle-free! 💧 ## Quick Answers - **What is this?** Mxmoonant Hot Tub Heater 3KW 220V Electric Pool SPA Heater Water Thermostat | 104℉ Temperature Knob Control, Self Heating, High Temp Protection, 1.5” PVC Plumbing for 500 Gals Spa, Bathtub, Small Pool - **How much does it cost?** $425.99 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/517195325-mxmoonant-hot-tub-heater-3kw-220v-electric-pool-spa-heater) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **High-Temp Auto Shutoff:** Stops heating at 50°C to prevent overheating and ensure long-lasting durability. - • **Optimized for Medium Pools:** Ideal for pools and spas up to 500 gallons, delivering consistent warmth for your personal oasis. - • **Smart Self-Heating Control:** Automatically maintains your perfect spa temperature without lifting a finger. - • **Safety-First Dry Burn Prevention:** Pressure switch cuts power instantly if water flow drops, protecting your heater and peace of mind. - • **Versatile Plumbing Compatibility:** Includes dual PVC connectors (48mm & 50mm) for seamless integration with your 1.5-inch SCH 40 pipes. ## Overview The Mxmoonant Hot Tub Heater is a 3KW, 220V electric pool and spa heater designed for pools up to 500 gallons. Featuring smart thermostat control, dry burn prevention via a pressure switch, and high temperature auto shutoff at 50°C, it ensures safe, efficient, and reliable heating. Equipped with dual PVC pipe connectors for easy installation, this heater is perfect for creating a cozy, warm spa experience with professional-grade safety features. ## Description desertcart.com : Mxmoonant Hot Tub Heater 3KW 220V Electric Pool SPA Heater Water Thermostat | 104℉ Temperature Knob Control, Self Heating, High Temp Protection, 1.5” PVC Plumbing for 500 Gals Spa, Bathtub, Small Pool : Patio, Lawn & Garden ## Features - [Self-Heating]: When the water temperature reaches the preset temperature, the pool heater will automatically stop. And when the temperature is lower than the preset temperature, the heater will automatically turn on again. - [Dry Burning Prevention]: The swimming pool heater is equipped with a pressure switch to protect it from the risk of dry burning due to lack of water in the operating process. If the water pressure drops to 15kPa or less during operation, the pressure switch will shut off the power. - [High Temperature Protection]: The hot tub heater has a high temperature protection switch. When the temperature reaches 50°C due to a lack of water flow or a blockage in the inlet, the heater will trip (cut off power). - [Wiring Method]: Pool heater typically do not come with a standard plug attached because it often requires higher voltage and current levels compared to standard household appliances. Instead, they are designed to be hardwired or connected using specialized connectors. High power heater can achieve better heating effect, so we recommend that you invite an electrician to help you wiring. - [Notice]: The pool thermostat is suitable for pools around 500 gallons. In addition, the electric pool heaters come with 2 different pvc pipe connectors. One inner diameter is 48mm (1.88"), and the other is 50mm (2"); [Tips] It is recommended to use SCH 40 1.5inch pvc pipe. ## Technical Specifications | Specification | Value | |---------------|-------| | Best Sellers Rank | #318,235 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #454 in Swimming Pool Heater Parts | | Customer Reviews | 3.2 out of 5 stars 64 Reviews | ## Images ![Mxmoonant Hot Tub Heater 3KW 220V Electric Pool SPA Heater Water Thermostat | 104℉ Temperature Knob Control, Self Heating, High Temp Protection, 1.5” PVC Plumbing for 500 Gals Spa, Bathtub, Small Pool - Image 1](https://m.media-amazon.com/images/I/616N5FG1DpL.jpg) ## Questions & Answers **Q: How long does it take to heat up a 400 gallon hot tub?** A: For a 400 gallons pool, an 3KW pool heater takes about 3.5h to raise the temperature by 41 degrees ℉. 7.3h to raise the temperature by 50 degrees ℉. **Q: What is the largest size pool it works on?** A: Hello there, capacity between 250 and 500 gallons is appropriate. Although pools over 500 gallons are available, but the pool heater may not achieve effective heating. **Q: What gallon per hour pump is recommended?** A: Hi there, it is recommended to use a 1/2 hp water pump with the pool heater. **Q: Will the red light go on if there's no water in it? I want to test it before I run water through it** A: Hello there, we recommend that you run the water first before starting the pool heater, if you do not run the water to open the heater, the light will be on, but it will dry out. It is not conducive to the long-term use of the item. ## Frequently Bought Together - Mxmoonant Pool Heater 3KW 220 240V, Electric Hot Tub Heater Water Thermostat with Temperature Control Self Heating for 500 Gals Spa, Bathtub, Swimming Pool (Hardwired) - Intex Replacement Hose Adapter A w/Collar for Threaded Connection Pumps (Pair) - Mxmoonant Pool Heater 11KW 220V, Electric Swimming Pool Heaters Hot Tub Water Thermostat with Touchscreeen for Above Ground Inground Pool, Spa, Bathtub, --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/517195325-mxmoonant-hot-tub-heater-3kw-220v-electric-pool-spa-heater](https://www.desertcart.us/products/517195325-mxmoonant-hot-tub-heater-3kw-220v-electric-pool-spa-heater) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-09-15*