--- product_id: 38863442 title: "Replacement Flo-Thru Hot Tub Spa Heater Element: 5.5kW or 4kW - Flow Through" brand: "spa depot" price: "€ 62.64" currency: EUR in_stock: false url: https://www.desertcart.hr/products/38863442-replacement-flo-thru-hot-tub-spa-heater-element-5-5kw store_origin: HR region: Croatia --- # 5.5kW/4kW Power Flow Through Design Universal Fit Replacement Flo-Thru Hot Tub Spa Heater Element: 5.5kW or 4kW - Flow Through **Brand:** spa depot **Price:** € 62.64 **Availability:** ❌ Out of Stock ## Summary > 🔥 Heat Up Your Spa Game! ## Quick Answers - **What is this?** Replacement Flo-Thru Hot Tub Spa Heater Element: 5.5kW or 4kW - Flow Through by spa depot - **How much does it cost?** € 62.64 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/38863442-replacement-flo-thru-hot-tub-spa-heater-element-5-5kw) ## Best For - spa depot enthusiasts ## Why This Product - Trusted spa depot brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Unleash the Heat:** Experience powerful heating with options of 5.5kW or 4kW. - • **Quality You Can Trust:** Crafted from premium Incoloy 800 for durability and performance. - • **Effortless Installation:** Designed to fit popular brands like Balboa M-7 and Hydroquip. - • **Versatile Compatibility:** Seamlessly fits standard 2" diameter hot tub heater manifolds. - • **Stay Relaxed, Stay Connected:** Keep your spa experience uninterrupted and enjoyable. ## Overview The Replacement Flo-Thru Hot Tub Spa Heater Element offers a choice of 5.5kW or 4kW power options, ensuring efficient heating for your spa. Made from high-quality Incoloy 800, it fits standard 2" diameter manifolds and is compatible with leading brands like Balboa M-7 and Hydroquip, making it a reliable choice for spa enthusiasts. ## Description Premium grade flow-through replacement spa heater elements. You cannot buy a better quality hot tub heater element at any price. Fits 2" stainless steel flow thru tube spa heater manifolds including Balboa M-7, Brett Aqualine, and many others. Use 2 wrenches when connecting to avoid damage. Replaces 12-0100-K (5.5kW), 12-0101-K (4.5kW), 12-0102-K (4.0kW), 6-flo, 4-FLO 25-4030, 20-3440, 25-4044. ## Features - Universal Incoloy 800 Spa Heater Element - Choice of wattage @ 240V & 120V - Superior quality - Fits standard 2" diameter hot tub heater manifold as illustrated - Fits Balboa M-7, Brett Aqualine, Hydroquip and many others ## Images ![Replacement Flo-Thru Hot Tub Spa Heater Element: 5.5kW or 4kW - Flow Through - Image 1](https://m.media-amazon.com/images/I/51aKyb5bv-L.jpg) ![Replacement Flo-Thru Hot Tub Spa Heater Element: 5.5kW or 4kW - Flow Through - Image 2](https://m.media-amazon.com/images/I/61G1+5+AB3L.jpg) ![Replacement Flo-Thru Hot Tub Spa Heater Element: 5.5kW or 4kW - Flow Through - Image 3](https://m.media-amazon.com/images/I/71UzSNyovKL.jpg) ![Replacement Flo-Thru Hot Tub Spa Heater Element: 5.5kW or 4kW - Flow Through - Image 4](https://m.media-amazon.com/images/I/71OR9jjUuJL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: I have a balboa heater 4.0kw 800 15in 2x2 m7 stud #58104, would this for me?** A: Yes, it should. Just check which one you need...240v or 120v. **Q: will this heater fit in a hot spring hot tub:relay model?** A: This part was universal to two different hot tubs. **Q: I have a balboa m7 240v 4.0kw 15inch x 2inch (model #58064). will this fit? is it ok to just replace the element and use the old tube?** A: Yes, I just replaced the element on mine and not the tube. As for the fitting, you’ll have to look at your old one **Q: Will this fit inside Balboa 58117 15 in X 2 in?** A: yes ## Frequently Bought Together - Replacement Flo-Thru Hot Tub Spa Heater Element: 5.5kW or 4kW - Flow Through - Jzenol 2 "Spa hot tub Heater Gasket Replacement Oring Balboa Gecko O-Ring 711-4030B (Set of 4) - M7 Sensor Kit Temp/High Limit Replacement for Balboa 32016 30344 30042 30382 53605 Sensors, Hot Tub Sensor Pool Heater Sensor for Balboa Spa Heater M7 System , 24" Temp/Hi Limit,1/4" Diameter (2 Pack) --- ## 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.hr/products/38863442-replacement-flo-thru-hot-tub-spa-heater-element-5-5kw](https://www.desertcart.hr/products/38863442-replacement-flo-thru-hot-tub-spa-heater-element-5-5kw) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-05-23*