Horstmann 425 CORONET 425 Coronet Programmer

Our Part No
4210000
MPN
425 CORONET

We're sorry but this product has now been discontinued by Horstmann Controls and can no longer be purchased.

No replacement part is available.

Sorry, this part is now obsolete

Horstmann 425 CORONET 425 Coronet Programmer.

The Horstmann 425 Coronet Timeswitch is a single circuit timeswitch which can be used with combi boilers and immersion heaters. It uses a mechanical rotating 24-hour dial to set up to 2 on/off time periods per day as well as slide switches to adjust the on/off settings.

Timeswitch options

  • On all day
  • Permanent On/Off
  • On/Off twice a day

The 425 Coronet is 13 Amp rated and can be used with loads up to 3kW as well as conventional heating.


The Horstmann 425 CORONET 425 Coronet Programmer is a genuine, brand new Horstmann Controls product, covered by a Horstmann Controls manufacturer's guarantee.

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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.

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