Boiler Fault Finder

Spark electrode(s)

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Cylinder thermostats

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Room thermostats

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Diverter valves

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Motorised valve heads (diverter valves)

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S Plan (HW zone valve and HTG zone valve)

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Y Plan (3 port mid-position valve)

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Synchronous motors (within zone valves)

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Actuator Heads (motorised valves)

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Solenoids & Moduregs

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