---
product_id: 34946046
title: "Horstmann 425 Diadem Programmer / Time Switch by Hortsmann"
brand: "hortsmann"
price: "£159.59"
currency: GBP
in_stock: true
category: "Misc."
url: https://www.desertcart.co.uk/products/34946046-horstmann-425-diadem-programmer-time-switch-by-hortsmann
store_origin: GB
region: United Kingdom
---

# Horstmann 425 Diadem Programmer / Time Switch by Hortsmann

**Brand:** hortsmann
**Price:** £159.59
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Horstmann 425 Diadem Programmer / Time Switch by Hortsmann by hortsmann
- **How much does it cost?** £159.59 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/34946046-horstmann-425-diadem-programmer-time-switch-by-hortsmann)

## Best For

- hortsmann enthusiasts

## Why This Product

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

## Description

Simple to use with easily understood settings adjusted in seconds;Suitable for pumped and gravity hot water systems;Uses a 9 way standard backplate. Easy to install;6 Amp rated;Advance control to allow manual override switching ON or OFF

## Features

- Horstmann 425 Diadem Programmer / Time Switch

## Images

![Horstmann 425 Diadem Programmer / Time Switch by Hortsmann - Image 1](http://ecx.images-amazon.com/images/I/41x-j1fFZ1L.jpg)

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**Shop now:** [https://www.desertcart.co.uk/products/34946046-horstmann-425-diadem-programmer-time-switch-by-hortsmann](https://www.desertcart.co.uk/products/34946046-horstmann-425-diadem-programmer-time-switch-by-hortsmann)

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-16*