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Horstmann Diadem Electro Mechanical 2 Channel Programmer 425 Series

Online Catalogue | Heating Controls | Timer Switch and Programmers | Horstmann Time Switches and Programmers | Horstmann Electronic Programmers |  Horstmann Diadem Electro Mechanical 2 Channel Programmer 425 Series


Ref:338940

Horstmann Diadem Electro Mechanical 2 channel Programmer 425 Series


Part number: 338940
Manufacturer: Horstmann
Mfr Part No.
Stock: Standard Delivery
Horstmann Diadem Electro Mechanical 2 channel Programmer 425 Series

Horstmann Diadem Electro Mechanical 2 channel Programmer 425 Series


Horstmann Diadem Electro Mechanical 2 channel Programmer 425 Series



This twin circuit, hot water and central heating programmer, with indicator lights, has 16 programmes available for fully pumped systems, including independent programming of heating and hot water and 10 programmes for gravity HW/pumped CH systems. The Diadem is ideal for gravity systems and fully pumped systems with zone valves.


Product Details

• Simple to use with easily understood settings adjusted in seconds
• Easy to install, uses a 9 way standard backplate
• Diadem / Tiara 6Amp rated, Coronet 13 Amp rated
• Advance control to allow manual override switching ON or OFF
• Gives real comfort throughout the home
• Reduces heating costs
• Greatly increased energy savings

For installation instructions please click here



Only: £39.50 ex VAT
( £47.40 Inc VAT at 20%)



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Online Catalogue | Heating Controls | Timer Switch and Programmers | Horstmann Time Switches and Programmers | Horstmann Electronic Programmers |  Horstmann Diadem Electro Mechanical 2 Channel Programmer 425 Series


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