---
product_id: 57387129
title: "Horstmann E7BX Water Heating Boost Control for Twin supply Economy 7 Tariffs"
brand: "horstmann"
price: "278868₫"
currency: VND
in_stock: false
url: https://www.desertcart.vn/products/57387129-horstmann-e7bx-water-heating-boost-control-for-twin-supply-economy
store_origin: VN
region: Vietnam
---

# Neon indicator for active boost Supports 1 or 2 immersion heaters Boost timer adjustable 0-120 mins Horstmann E7BX Water Heating Boost Control for Twin supply Economy 7 Tariffs

**Brand:** horstmann
**Price:** 278868₫
**Availability:** ❌ Out of Stock

## Summary

> 🔥 Boost your hot water game with smart, efficient control ⏱️

## Quick Answers

- **What is this?** Horstmann E7BX Water Heating Boost Control for Twin supply Economy 7 Tariffs by horstmann
- **How much does it cost?** 278868₫ with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/57387129-horstmann-e7bx-water-heating-boost-control-for-twin-supply-economy)

## Best For

- horstmann enthusiasts

## Why This Product

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

## Key Features

- • **Economy 7 Optimized:** Specifically engineered to leverage off-peak tariffs, saving you money while staying warm.
- • **Safety-First Design:** Fully compatible with earth leakage circuit breakers for peace of mind in every home.
- • **Instant Visual Feedback:** Neon indicator clearly shows when your boost is active—no guesswork, just control.
- • **Precision Boost Control:** Customize your hot water boost from 0 to 120 minutes for ultimate energy efficiency.
- • **Dual Heater Compatibility:** Seamlessly manage one or two immersion heaters, maximizing your Economy 7 tariff benefits.

## Overview

The Horstmann E7BX Water Heating Boost Control is a precision device designed for Economy 7 tariff users, allowing adjustable boost periods up to 120 minutes. Featuring a neon indicator for active boost status and compatibility with one or two immersion heaters, it integrates safely with earth leakage circuit breakers to optimize energy use and cost savings.

## Description

The E7BX controls from Horstmann are intended for use where cheap overnight heating of water is controlled by the Electricity Company's Radio Teleswitch, Radio Telemeter or tariff time switch. Key Features of the Horstmann E7BX include: The Horstmann E7BX is simple to install and use. Boost period adjustable between 0 and 120 minutes. Neon indicator shows when boost timer is running on the E7BX. Can be used with one or two immersion heaters. Compatible with earth leakage circuit breaker installations.

## Features

- Water Heating Boost Control for Twin supply Economy 7 Tariffs.
- Boost period adjustable between 0 and 120 minutes.
- Neon indicator shows when boost timer is running on the E7BX.
- Can be used with one or two immersion heaters.
- Compatible with earth leakage circuit breaker installations.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00PW9FGI0 |
| Brand | Horstmann |
| Date First Available | 20 Nov. 2014 |
| Model Number | E7BX Horstmann |

## Product Details

- **Backlight:** No
- **Brand:** Horstmann
- **Connectivity protocol:** Wi-Fi
- **Connectivity technology:** Wi-Fi
- **Controller type:** Push Button
- **Display type:** analog
- **Model name:** E7BX
- **Power source:** Corded Electric
- **Style:** Classic

## Images

![Horstmann E7BX Water Heating Boost Control for Twin supply Economy 7 Tariffs - Image 1](https://m.media-amazon.com/images/I/31ukn0FfS5L.jpg)

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**Shop now:** [https://www.desertcart.vn/products/57387129-horstmann-e7bx-water-heating-boost-control-for-twin-supply-economy](https://www.desertcart.vn/products/57387129-horstmann-e7bx-water-heating-boost-control-for-twin-supply-economy)

---

*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-05-19*