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The purpose of a pressurized expansion tank in a heating or cooling system is to accommodate the expansion and contraction of the system's water or refrigerant as it heats up and cools down, helping to maintain a stable pressure within the system and prevent damage or leaks.

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7mo ago

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What is the purpose of the thermostat R wire in a heating and cooling system?

The purpose of the thermostat R wire in a heating and cooling system is to provide power to the thermostat, allowing it to control the heating and cooling equipment in the system.


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The purpose of the thermostat power wire in a heating and cooling system is to provide electrical power to the thermostat, allowing it to control the temperature settings and activate the heating or cooling system as needed.


What is the purpose of an orange thermostat wire in a heating and cooling system?

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What is the purpose of the brown thermostat wire in a heating and cooling system?

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What is the purpose of the thermostat OB wire in a heating and cooling system?

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What is the purpose of the thermostat C wire and how does it function in a heating and cooling system?

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What is the purpose of an expansion tank, and should it be installed on the hot side or cold side of a water heating system?

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