HORSTMANN 425 DIADEM PROGRAMMER.
The Horstmann 425 Diadem Mechanical Programmer offer a easy to use and simple way of controlling hot water and central heating systems, it uses a 24-hour rotating dial with 2 on/off periods indicated by the red and blue pins.
The 425 Diadem is a two circuit programmer for hot water and central heating with indicator lights. The programmer is ideal for gravity systems and fully pumped systems with zone valves. It has 16 programmes available for fully pumped systems, including independent programming of heating and hot water as well as 10 programmes for gravity hot water/pumped heating systems.
- Contact rating: Double circuit 6(2.5) A
- Contact type: Micro-disconnection changeover, voltage free
- Dial settings: 2x ON / 2x OFF (Min ON/OFF period 45 minutes)
- Mounting: 9 pin wall plate
- Enclosure protection: IP20
The HORSTMANN 425 DIADEM PROGRAMMER is a genuine, brand new Horstmann Controls product, covered by a Horstmann Controls manufacturer's guarantee.
Not what you're looking for? Try our unique Spares Finder tool or you can view all Horstmann Controls products.
For advice on this or any product, please call us on 0330 123 3707, email us at web@dhsspares.co.uk, or see additional ways to contact us here.
This part fits the following 3 appliances (sorted alphabetically):
May fit others. If you are unsure of your product model, or would like more information, please contact us.
