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Heating systems that feature boilers and radiators can behot water or steam systems.
Hot water systems always have two pipes attached to the radiator, one at each end near the bottom.
Radiators for these systems may use one pipe or two pipes.
The Spruce / Tessa Cooper
Learn how to properly care for your steam radiator to ensure proper heating all winter long.
Theair ventson radiators for a single-pipe system are usually bullet-shaped devices, pointed on one end.
Occasionally the air vent may clog with rust or mineral deposits.
The Spruce / Tessa Cooper
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Rinse the vent with cold water.
Test for free airflow by blowing through the vent.
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If you cannot blow through the air vent, then repeat the process again.
Tighten an additional one-quarter turn with a wrench.
Adjust the head of the vent so the pointed end is facing upward.
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As the system cools, the heat-sensitive vent should open again to allow air back into the system.
The Spruce / Tessa Cooper
The Spruce / Tessa Cooper
The Spruce / Tessa Cooper