---
product_id: 17962080
title: "Ecosmart FSA QC MEDLRG Flow Sensor"
price: "NT$46"
currency: TWD
in_stock: false
url: https://www.desertcart.tw/products/17962080-ecosmart-fsa-qc-medlrg-flow-sensor
store_origin: TW
region: Taiwan
---

# Eco-Friendly Design Compact Dimensions Flow Sensor Assembly Ecosmart FSA QC MEDLRG Flow Sensor

**Price:** NT$46
**Availability:** ❌ Out of Stock

## Summary

> 💧 Upgrade Your Flow, Elevate Your Eco Game!

## Quick Answers

- **What is this?** Ecosmart FSA QC MEDLRG Flow Sensor
- **How much does it cost?** NT$46 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/17962080-ecosmart-fsa-qc-medlrg-flow-sensor)

## 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

- • **📦 Easy Installation:** No batteries required, making setup a breeze.
- • **🌱 Sustainable Choice:** EcoSmart's commitment to energy efficiency and sustainability.
- • **🛡️ Reliable Warranty:** 1-year warranty for peace of mind.
- • **📏 Lightweight & Compact:** Weighs only 2.89 ounces, perfect for any installation.
- • **🔧 Precision Engineering:** Designed specifically for ECO 18, 24, 27, and 36 models.

## Overview

The EcoSmartFSA QC MEDLRG Replacement Part is a high-quality flow sensor assembly designed for seamless compatibility with EcoSmart Tankless Electric Water Heaters. Weighing just 2.89 ounces and measuring 3 x 2 x 1.5 inches, this eco-friendly component ensures efficient water flow while supporting sustainable energy practices. With a 1-year warranty and no batteries required, it's the perfect solution for your water heating needs.

## Description

Flow Sensor for Ecosmart Electric Tankless water heaters. Used with ECO 18, ECO 24, ECO 27 and ECO 36 models. Contact Ecosmart for more information.

## Features

- Flow Sensor assembly for ECO 18 , ECO 24, ECO 27 and ECO 36
- Ecosmart Tankless Electric Water Heater Replacement Part

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Ecosmart Water Heaters |
| Part Number | FSA QC MEDLRG |
| Item Weight | 2.89 ounces |
| Product Dimensions | 3 x 2 x 1.5 inches |
| Country of Origin | China |
| Item model number | FSA QC MEDLRG |
| Item Package Quantity | 1 |
| Included Components | Ecosmart FSA QC MEDLRG Flow Sensor |
| Batteries Required? | No |
| Warranty Description | 1 year |

## Images

![Ecosmart FSA QC MEDLRG Flow Sensor - Image 1](https://m.media-amazon.com/images/I/71jm0Y-b2FL.jpg)
![Ecosmart FSA QC MEDLRG Flow Sensor - Image 2](https://m.media-amazon.com/images/I/41lgwAqxKzL.jpg)
![Ecosmart FSA QC MEDLRG Flow Sensor - Image 3](https://m.media-amazon.com/images/I/81jV5YQtcZL.jpg)

## Questions & Answers

**Q: My current fsa has water leaking from the screw on lid. would a replacement part solve that little problem?**
A: Replacing the ring seal should stop the leak

**Q: What are the oring seal sizes for the fsa including the screw on lid? i wish eco smart was considerate of it's customer needs and provide this info.**
A: The whole unit is horrible
Get an old school tank like I did. Not worth it.

**Q: What would cause kitchen sink to get hot but not the shower running one at a time? All 3 heating elements are good. Thank you in advance.**
A: Waterless heater operates on flow rate principle comprised of 3 separate heating element inside copper manifold. The plastic internal fins parts of flow meter will melt. Ecosmart FSA QC MEDLRG ECO 24 Replacement Part $18.84. Recommended also purchasing part which controls on/off power to heating element. Technical support can walk you through troubleshooting steps.

**Q: Will this fit Rheem rtex24?**
A: I have a Raheem RETEX-27 and it works on mine. I bought a spare to have one on hand. I’m not sure if it fits the rtex24

## Frequently Bought Together

- Ecosmart FSA QC MEDLRG Replacement Part
- HE 90240 Heating Element, 3 Pack Replacement for EcoSmart ECO 18 27 36, 9KW 240V Heating Element for Electric Tankless Water Heaters, Screw-In, Copper
- Ecosmart THRM QC XLRG Thermistor

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**Shop now:** [https://www.desertcart.tw/products/17962080-ecosmart-fsa-qc-medlrg-flow-sensor](https://www.desertcart.tw/products/17962080-ecosmart-fsa-qc-medlrg-flow-sensor)

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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-09-16*