switching signal wires the home heating system control |
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navigate by keyword : adjusting appliance automatic central climate connect control device drives electricity electronic equipment fix floor heating home house improvement installing network panel pipeline plumber plumbing power relay repair repairman room service servo signal switch system technology temperature thermostats tube underfloor valves water wires worker |
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Electrician`s hands are inserting wires in a switch for thermostats and servo drives valves in a home heating system. |
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