---
product_id: 50660636
title: "SF4 Unvented Pressure Reducing Kit Inc Expansion Vessel + Check Valve for Hyco Speeflow Water Heater"
brand: "hyco"
price: "$207.17"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/50660636-sf4-unvented-pressure-reducing-kit-inc-expansion-vessel-check-valve
store_origin: US
region: United States of America
---

# 15mm Check Valve 2L Expansion Vessel 1/2" Pressure Valve SF4 Unvented Pressure Reducing Kit Inc Expansion Vessel + Check Valve for Hyco Speeflow Water Heater

**Brand:** hyco
**Price:** $207.17
**Availability:** ✅ In Stock

## Summary

> 💡 Upgrade Your Hot Water Game!

## Quick Answers

- **What is this?** SF4 Unvented Pressure Reducing Kit Inc Expansion Vessel + Check Valve for Hyco Speeflow Water Heater by hyco
- **How much does it cost?** $207.17 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/50660636-sf4-unvented-pressure-reducing-kit-inc-expansion-vessel-check-valve)

## Best For

- hyco enthusiasts

## Why This Product

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

## Key Features

- • **Compact & Efficient:** Space-saving design fits seamlessly into your setup.
- • **Effortless Installation:** Quick setup means more time enjoying hot water.
- • **Elevate Your Water Heating:** Experience consistent pressure with the SF4 Unvented Kit.
- • **Integrated Safety Features:** Includes a strainer for optimal performance and safety.
- • **Durable Stainless Steel Design:** Built to last, ensuring reliability and longevity.

## Overview

The SF4 Unvented Pressure Reducing Kit is a high-quality solution for your Hyco Speeflow Water Heater, featuring a 2-litre stainless steel expansion vessel, a 15mm single check valve, and a 1/2" F/F pressure reducing valve, all designed for optimal performance and durability.

## Description

SF4 Unvented Pressure Reducing Kit Inc Expansion Vessel + Check Valve for Hyco Speeflow Water Heater

## Features

- 2 Litre Stainless Steel Expansion Vessel
- Pressure Reducing Valve + Strainer
- 15mm Single Check Valve
- 1/2" F/F Pressure reducing valve

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Hyco |
| Part Number | SF4 |
| Item model number | SF4 |
| Material | stainless steel |
| Item Package Quantity | 1 |
| Batteries included? | No |
| Batteries Required? | No |

## Images

![SF4 Unvented Pressure Reducing Kit Inc Expansion Vessel + Check Valve for Hyco Speeflow Water Heater - Image 1](https://m.media-amazon.com/images/I/61BR8pl3OsL.jpg)

## Frequently Bought Together

- SF4 Unvented Pressure Reducing Kit Inc Expansion Vessel + Check Valve for Hyco Speeflow Water Heater
- Speedflow Unvented Undersink Water Heater 15 liter Capacity

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**Shop now:** [https://www.desertcart.us/products/50660636-sf4-unvented-pressure-reducing-kit-inc-expansion-vessel-check-valve](https://www.desertcart.us/products/50660636-sf4-unvented-pressure-reducing-kit-inc-expansion-vessel-check-valve)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-20*