---
product_id: 554240954
title: "Replacement Flo-Thu Hot Tub Spa Heater Element: 5.5kW, 4.5kW or 4kW - Flow Through - Made in USA"
brand: "spa depot"
price: "€ 17.72"
currency: EUR
in_stock: false
url: https://www.desertcart.es/products/554240954-replacement-flo-thu-hot-tub-spa-heater-element-5-5kw
store_origin: ES
region: Spain
---

# 5.5kW / 4.5kW / 4kW power options Universal fit for 2" heater manifolds Proudly made in USA Replacement Flo-Thu Hot Tub Spa Heater Element: 5.5kW, 4.5kW or 4kW - Flow Through - Made in USA

**Brand:** spa depot
**Price:** € 17.72
**Availability:** ❌ Out of Stock

## Summary

> 🔥 Heat up your spa game with American-made power!

## Quick Answers

- **What is this?** Replacement Flo-Thu Hot Tub Spa Heater Element: 5.5kW, 4.5kW or 4kW - Flow Through - Made in USA by spa depot
- **How much does it cost?** € 17.72 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/554240954-replacement-flo-thu-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

- • **Plug & Play Upgrade:** Easy installation means less downtime and more soak time—upgrade your spa heater element hassle-free.
- • **Power Your Relaxation:** Choose from 5.5kW, 4.5kW, or 4kW to perfectly match your spa’s heating needs.
- • **Seamless Compatibility:** Fits standard 2" diameter hot tub heater manifolds including Balboa M-7, Brett Aqualine, Hydroquip, and more.
- • **Trusted SpaDepot Quality:** Backed by a reputable manufacturer ensuring reliable performance and peace of mind.
- • **Built to Last, Made in USA:** Crafted with premium Incoloy 800 for superior durability and corrosion resistance.

## Overview

This Replacement Flo-Thu Hot Tub Spa Heater Element offers versatile wattage options (5.5kW, 4.5kW, 4kW) at 240V or 120V, made from durable Incoloy 800 in the USA. Designed for universal compatibility with standard 2" heater manifolds, it fits popular brands like Balboa M-7, Brett Aqualine, and Hydroquip, ensuring a reliable and long-lasting spa heating solution.

## Description

Premium grade flow-through replacement spa heater elements. You cannot buy a better quality hot tub heater element at any price. Made in USA. 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
- Made in USA - not an inferior import
- Fits standard 2" diameter hot tub heater manifold as illustrated
- Fits Balboa M-7, Brett Aqualine, Hydroquip and many others

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Package Dimensions | 27.1 x 6.4 x 4.8 cm; 332 g |
| Manufacturer | SpaDepot |
| ASIN | B01M7T4E95 |

## Images

![Replacement Flo-Thu Hot Tub Spa Heater Element: 5.5kW, 4.5kW or 4kW - Flow Through - Made in USA - Image 1](https://m.media-amazon.com/images/I/51aKyb5bv-L.jpg)
![Replacement Flo-Thu Hot Tub Spa Heater Element: 5.5kW, 4.5kW or 4kW - Flow Through - Made in USA - Image 2](https://m.media-amazon.com/images/I/61G1+5+AB3L.jpg)
![Replacement Flo-Thu Hot Tub Spa Heater Element: 5.5kW, 4.5kW or 4kW - Flow Through - Made in USA - Image 3](https://m.media-amazon.com/images/I/71UzSNyovKL.jpg)
![Replacement Flo-Thu Hot Tub Spa Heater Element: 5.5kW, 4.5kW or 4kW - Flow Through - Made in USA - Image 4](https://m.media-amazon.com/images/I/71OR9jjUuJL.jpg)

## 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)

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**Shop now:** [https://www.desertcart.es/products/554240954-replacement-flo-thu-hot-tub-spa-heater-element-5-5kw](https://www.desertcart.es/products/554240954-replacement-flo-thu-hot-tub-spa-heater-element-5-5kw)

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*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-03-19*