---
product_id: 59452670
title: "Flamco 28920 FlexControl 3/4\" Expansion Tank Connection Group, Cap Valves with Secured Shut-Off and Hose Connection for Expansion Vessel"
brand: "flamco"
price: "฿419"
currency: THB
in_stock: false
reviews_count: 1
url: https://www.desertcart.co.th/products/59452670-flamco-28920-flexcontrol-3-4-expansion-tank-connection-group-cap
store_origin: TH
region: Thailand
---

# Flamco 28920 FlexControl 3/4" Expansion Tank Connection Group, Cap Valves with Secured Shut-Off and Hose Connection for Expansion Vessel

**Brand:** flamco
**Price:** ฿419
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** Flamco 28920 FlexControl 3/4" Expansion Tank Connection Group, Cap Valves with Secured Shut-Off and Hose Connection for Expansion Vessel by flamco
- **How much does it cost?** ฿419 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/59452670-flamco-28920-flexcontrol-3-4-expansion-tank-connection-group-cap)

## Best For

- flamco enthusiasts

## Why This Product

- Trusted flamco brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

This isolating union connects the expansion vessel to the central heating system and enables verification of the vessel’s gas charge or, alternatively, allows you to replace it without draining the entire system.

## Features

- Enable you to change the vessel without having to release pressure or drain it.
- Saves a considerable amount of time when servicing a Flexcon vessel.
- Maximum working pressure: 10.0 bar
- Maximum working temperature (design): 130 °C
- Suitable for expansion vessel 2 - 50 liters.
- ›See more product details

## Images

![Flamco 28920 FlexControl 3/4" Expansion Tank Connection Group, Cap Valves with Secured Shut-Off and Hose Connection for Expansion Vessel - Image 1](https://m.media-amazon.com/images/I/710EfXSyZCL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 







  
  
    Five Stars
  

*by G***N on Reviewed in the United Kingdom on 21 January 2018*

ok

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**Shop now:** [https://www.desertcart.co.th/products/59452670-flamco-28920-flexcontrol-3-4-expansion-tank-connection-group-cap](https://www.desertcart.co.th/products/59452670-flamco-28920-flexcontrol-3-4-expansion-tank-connection-group-cap)

---

*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-04-27*