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Amanda Foster — Reviewed writer, former magazine editor

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How to Handle Blow Out RV Water Lines with Air Step by Step

When blow out rv water lines with air leaves you confused, worried, or unsure what it means, a clear step-by-step approach can help you sort the signal from the stress. This guide explains how to understand the situation, reflect on what matters, choose a practical next step, and know when to ask for trusted support.

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Attach the air hose to the compressor and attach the other end to a fitting on one of the RV water lines.

Attach the air hose to the compressor and attach the other end to a fitting on one of the RV water lines. Make sure it's securely connected to prevent any leaks or air loss.

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Attach the air hose to the compressor and attach the other end to a fitting on one of the RV water lines.
Make sure it's securely connected to prevent any leaks or air loss.

Start the compressor and begin blowing out the water line, gradually increasing pressure as necessary.

Start the compressor and begin blowing out the water line. Gradually increase the pressure as necessary to ensure that all air is removed from the system.

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expert_tip
warning
Start the compressor and begin blowing out the water line.
Gradually increase the pressure as necessary to ensure that all air is removed from the system.

Check for signs of leaks or blockages in the line as you blow it out, adjusting pressure accordingly.

Check for any signs of leaks or blockages in the line. Adjust the pressure as necessary to ensure that all air is removed and the lines are clear.

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Check for any signs of leaks or blockages in the line.
Adjust the pressure as necessary to ensure that all air is removed and the lines are clear.

Use a gauge or pressure regulator to monitor and control the air pressure applied to the lines.

Use a gauge or pressure regulator to monitor and control the air pressure applied to the lines. This will help you maintain a consistent pressure throughout the system.

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expert_tip
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Use a gauge or pressure regulator to monitor and control the air pressure applied to the lines.
This will help you maintain a consistent pressure throughout the system.

Continue blowing out the water line until no more air can be expelled, indicating it has been fully dried.

Continue blowing out the water line until no more air can be expelled. This indicates that the line has been fully dried and is ready for use.

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expert_tip
warning
Continue blowing out the water line until no more air can be expelled.
This indicates that the line has been fully dried and is ready for use.

Disconnect the air compressor from the RV.

Turn off the air compressor and open the pressure release valve to empty its tank. Also, turn off your car before unclipping the power cables. Turn the compressor hose counterclockwise to remove it from the blowout plug, then do the same to the blowout plug to detach it from the RV.

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expert_tip
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Turn off the air compressor and open the pressure release valve to empty its tank.
Also, turn off your car before unclipping the power cables.

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