425D Diadem Central Heating Programmer5015914551017425 Diadem
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Width: - 152mm
Height: - 107mm
Depth: - 39mm
Height: - 107mm
Depth: - 39mm
- This twin circuit, hot water and central heating programmer, with indicator lights,
- 16 programmes available for fully pumped systems, including independent programming of heating and hot water
- and 10 programmes for gravity HW/pumped CH systems. Programmes allow permanently ON or OFF, On all day or ON/OFF twice a day.
- An advance switch gives temporary override without altering settings.
- The Diadem is ideal for gravity systems and fully pumped systems with spring return zone valves.
Technical:Horstmann Data & Wiring Sheet + Compatability list |
Order Code
Description
Price (ex VAT)
Price (inc VAT)
Quantity
HO 425D
425D Diadem Central Heating Programmer Extended Range*
EACH |
3+ |
|---|---|
£54.95 |
£53.05 |
EACH |
3+ |
|---|---|
£65.94 |
£63.66 |