---
product_id: 49212906
title: "Ariston 406802 KIT B 3.5 BAR Pressure REDUCING Valve, Bronze"
brand: "ariston"
price: "€ 96.73"
currency: EUR
in_stock: true
reviews_count: 8
category: "Ariston"
url: https://www.desertcart.be/products/49212906-ariston-406802-kit-b-3-5-bar-pressure-reducing-valve
store_origin: BE
region: Belgium
---

# 3.5 bar max pressure control Durable bronze construction UKCA certified for assured quality Ariston 406802 KIT B 3.5 BAR Pressure REDUCING Valve, Bronze

**Brand:** ariston
**Price:** € 96.73
**Availability:** ✅ In Stock

## Summary

> 🔧 Control your flow, protect your home—pressure perfected.

## Quick Answers

- **What is this?** Ariston 406802 KIT B 3.5 BAR Pressure REDUCING Valve, Bronze by ariston
- **How much does it cost?** € 96.73 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/49212906-ariston-406802-kit-b-3-5-bar-pressure-reducing-valve)

## Best For

- ariston enthusiasts

## Why This Product

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

## Key Features

- • **Premium Bronze Build:** Robust, corrosion-resistant bronze ensures long-lasting reliability and performance.
- • **Seamless Compatibility:** Designed for optimal use with Ariston and Andris water heaters—plug and play peace of mind.
- • **Certified Safety Standard:** Fully UKCA certified, meeting stringent UK market regulations for worry-free installation.
- • **Complete Installation Kit:** Includes nuts, olives, and gauge blanks so you’re ready to install right out of the box.
- • **Precision Pressure Control:** Keeps water pressure perfectly capped at 3.5 bar to protect your system.

## Overview

The Ariston 406802 KIT B 3.5 BAR Pressure Reducing Valve is a high-quality bronze valve engineered to regulate water pressure up to 3.5 bar. Fully UKCA certified and compatible with Ariston and Andris water heaters, it ensures system safety and longevity. Compact and durable, it comes with all necessary fittings for easy installation, making it a trusted choice for professional-grade plumbing solutions.

## Description

Shop Ariston 406802 KIT B 3.5 BAR Pressure REDUCING Valve, Bronze. Free delivery on eligible orders of £20 or more.

Review: All good - All good, 5*, comes with nuts olives and 2 gauge blanks although the picture doesn't show this
Review: works as the other did - this was a replacement of one that had frozen over winter

## Features

- 3.5 bar pressure reducing valve
- controls the water pressure to not exceed 3.5 bar
- for optional use with ariston andris range water heaters
- Great Quality material
- Fully UKCA certified to be installed in the UK Market.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B002JIFAHO |
| Best Sellers Rank | 51,082 in DIY & Tools ( See Top 100 in DIY & Tools ) 58 in Water Heaters & Parts |
| Brand | Ariston |
| Connector Type | Threaded |
| Country of Origin | China |
| Customer Reviews | 4.5 out of 5 stars 132 Reviews |
| Exterior Finish | Bronze |
| Exterior finish | Bronze |
| Global Trade Identification Number | 05411692702014 |
| Included Components | 3.5 bar pressure reducing valve |
| Inlet Connection Type | Female Iron Pipe |
| Inlet connection type | Female Iron Pipe |
| Item Dimensions | 7.5 x 5.7 x 11.5 centimetres |
| Item Type Name | KIT B 3.5 BAR PRESSURE REDUCING VALVE |
| Item dimensions L x W x H | 7.5 x 5.7 x 11.5 centimetres |
| Manufacturer | Ariston |
| Material | Bronze |
| Maximum Pressure | 3.5 Bars |
| Model Number | 406802 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Number of Pieces | 1 |
| Number of Ports | 2 |
| Outlet Connection Type | FNPT |
| Outlet connection type | FNPT |
| Part Number | 406802 |
| Set Name | Set B 3.5 |
| Size | 2.24" x 2.95" x 4.53" |
| Specification Met | UKCA, BS EN 1074-1, BS EN 12266-1 |
| Thread Size | 1/2" |
| Thread Type | Iron Pipe |
| Unit Count | 1.0 count |
| Valve Type | Pressure Reducing Valve |

## Product Details

- **Brand:** Ariston
- **Exterior finish:** Bronze
- **Inlet connection type:** Female Iron Pipe
- **Item dimensions L x W x H:** 7.5 x 5.7 x 11.5 centimetres
- **Material:** Bronze
- **Maximum operating pressure:** 3.5 Bars
- **Number of Packs:** 1
- **Number of ports:** 2
- **Outlet connection type:** FNPT
- **Specification met:** UKCA, BS EN 1074-1, BS EN 12266-1

## Images

![Ariston 406802 KIT B 3.5 BAR Pressure REDUCING Valve, Bronze - Image 1](https://m.media-amazon.com/images/I/51jx4i5wWgL.jpg)

## Available Options

This product comes in different **Style** options.

## Questions & Answers

**Q: Can you tell me why this has three outlets?**
A: Hello,
There are extra connections on the device for attaching items such as pressure gauges and the connections are 3/8” BSP threads.
Thank you,
Kind Regards.

**Q: what does Kit A and Kit B include as the picture and title implies complete installation kit of pressure bottle tundish and reducing vavle but the des**
A: It doesn't include the tundish

**Q: Are the inlet and outlet 15mm or 22mm?**
A: Yes they are 15mm the smaller hole that makes the in and out look big is for a pressure gauge.

**Q: Does this come with the compression fitting ie two nuts and the two olives and the blanking off cap where the pressure gauge fits**
A: The box only contains the Kit B 3.5 bar pressure reducing valve, no additional fittings, so that customers can choose their own preferred fittings.

## Customer Reviews

### ⭐⭐⭐⭐⭐ All good
*by A***R on 13 April 2022*

All good, 5*, comes with nuts olives and 2 gauge blanks although the picture doesn't show this

### ⭐⭐⭐⭐⭐ works as the other did
*by D***S on 17 April 2025*

this was a replacement of one that had frozen over winter

### ⭐⭐⭐⭐ Does the job
*by R***S on 24 May 2026*

Works

## Frequently Bought Together

- Ariston 406802 KIT B 3.5 BAR Pressure REDUCING Valve, Bronze
- Ariston Water Heater Expansion Vessel Kit A
- Ariston 406807 KIT C Discharge TUNDISH (15MM-22MM), Black

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*Product available on Desertcart Belgium*
*Store origin: BE*
*Last updated: 2026-09-19*