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 |
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HO 425D
425D Diadem Central Heating Programmer Clearance Stock |