Ideal 170918 Overheat Thermostat Kit

The Ideal 170918 is an overheat thermostat kit supplied for appliances in the Ideal M Series range. It is a safety device that monitors temperature at its sensing point and interrupts the heat demand if the reading climbs beyond the safe operating limit, protecting the heat exchanger and surrounding components from damage. The kit is listed under the thermostats, thermistors and sensors group of Ideal spare parts.

• The appliance locks out or shuts down during a demand for heat and will not restart without a reset.
• Repeated lockouts occur once the appliance has been running for a period and has reached normal operating temperature.
• The boiler reaches temperature but the burner fails to modulate or shut down as expected.
• Hot water or heating output becomes intermittent, with the appliance cutting out before the setpoint is reached.
• A fault code relating to overheat or temperature sensing appears on the appliance display.

• Confirm the appliance model and GC number against the compatibility information for this part.
• Check the existing thermostat and its mounting to make sure the kit matches the fitting on your appliance.
• Note the alternative number 170918 when cross-referencing against older documentation or supplier listings.
• Work on the appliance should be carried out by a competent person, with the gas and electrical supplies isolated before any part is removed.