Horstmann 24hr 2 Channel Digital Programmer

Horstmann H21XL
Horstmann 24 hour 2 Channel Digital Programmer

Second generation programmers that offer up to four independent channels and feature improved display and easier programming. A twin circuit programmer with 24 hour programming over independent hot water and central heating channels.

For all Horstmann installation and operating instructions please visit the Horstmann download page:
www.horstmann.co.uk/downloads.php

Horstmann Central Heating Programmers
- 5 Year Guarantee
- Unique 4 channel programming
- 3 Amp rated
- Single, Two, Three and Four channel versions
- 24 hour or 7 day programming
- Large, easy to follow LCD displays, give clear programme information
- Up to 3 ON/OFF periods per channel in each 24 hour operation
- On 7 day models different settings for each day of the week
- Programmable Holiday setting can be set in advance of departure for any period of time.
- 1 or 2 hour boost and advance on each channel
- Mains powered with battery back up
- 3 Amp changeover contacts
- The single, two and four channel versions are voltage free as standard, a Volt free Three channel is also available and uses the same backplate as Horstmann's 425 and 5 Series programmers and can plug in as a direct replacement on most models
- Uses the same backplate as the 425 and 5 series programmers - Direct replacement for Diadem and Tiara Programmers

Search Criteria
Group : Central Heating Programmers / Heating Controllers
Sub Group : Digital Central Heating Programmers / Multi Channel Heating Programmers
Description : Horstmann Digital 2 Channel Controller / Horstmann Digital Dual Channel Heating Controller / Horstmann Digital 2 Channel Central Heating Programmer / 24 hour Central Heating Programmer / Two Channel 24 hour Heating Programmer
Code : Horstmann H21 / Horstmann H21XL / Horstmann H21 XL