Landlords can ensure tenants take action to service their heating systems with the Honeywell ST9100S and ST9400S heating controllers, which include a ‘service interval function’.

The landlord or heating contractor can set when the heating system requires servicing, plus an advance warning period during which the display flashes a reminder of the service deadline.

There are also several options for how the controller operates if the deadline passes without a service taking place.

The display can show a telephone number to help the tenant book a service.

It also shows “Service due in XX days”, alternated with the normal display, for a period of up to 28 days, as determined by the landlord.

The timer is reset by the contractor when the system is checked and serviced.

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