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Shop Ariston boiler timers and mechanical or digital time controls for selected combi and system boilers. A timer controls when the heating switches on and off, helping manage comfort and energy use. Before ordering an Ariston replacement timer, confirm the full boiler model, GC number and part number printed on the existing control.
A faulty Ariston boiler timer may cause the heating to start at the wrong time, remain permanently on or fail to operate on schedule. Other possible causes include incorrect settings, a power interruption, damaged wiring, thermostat problems or a PCB fault.
Check that the timer is set to the correct time and operating mode. Internal testing and replacement should be completed by a suitably qualified engineer.
Before ordering, compare the existing timer part number with the product listing and confirm the boiler model and GC number, as similar controls may use different wiring or connections.
