Missing Hose Bibs Anti-Siphon Devices
One or more hose bibs were found without anti-siphon devices. Anti-siphon devices are important components designed to prevent contaminated water from being siphoned back into the home’s plumbing system, which could compromise water quality and safety.
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Importance: 7
Why It’s Important:
Without anti-siphon devices, there is a risk of backflow contamination. This can happen when the water supply pressure drops, allowing dirty or contaminated water to flow back into the home’s internal plumbing. Proper installation of these devices ensures that the potable water supply remains safe and uncontaminated.
DIY Information
- DIY Tip: Check Your Hose Bibs for Anti-Siphon Devices. Inspect your hose bibs to see if anti-siphon devices are present. These devices often appear as a small attachment near the spout.
- DIY Tip: Install Screw-On Anti-Siphon Attachments. You can purchase screw-on anti-siphon devices at most hardware stores for easy installation on existing hose bibs.
- DIY Tip: Maintain Regular Hose Bib Inspections. Periodically check the condition of hose bibs and anti-siphon devices to ensure they are functioning properly.
- DIY Tip: Avoid Connecting Hoses to Contaminated Sources. Always keep garden hoses off the ground and away from dirty water sources to prevent potential contamination.

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Missing Hose Bibs Anti-Siphon Devices
Recommendations
It is recommended to have a licensed plumber review and install anti-siphon devices on any hose bibs that do not have them. This simple addition can prevent potential health hazards and comply with local plumbing codes.

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Frequently Asked Questions:
- What is an anti-siphon device?
It is a valve that prevents water from flowing back into the home’s plumbing, protecting against contamination. - Can I install an anti-siphon device myself?
Yes, screw-on anti-siphon devices can be installed by homeowners, but professional installation ensures proper placement. - Why is backflow a concern?
Backflow can introduce contaminated water into the home’s water supply, posing health risks. - Who should I contact for anti-siphon device installation?
A licensed plumber should be contacted for a full assessment and installation. - Are anti-siphon devices required by code?
Yes, many local plumbing codes require anti-siphon devices for exterior hose bibs to prevent backflow. - How do I know if my hose bib has an anti-siphon device?
Anti-siphon devices often look like a small cap or attachment on top of the hose bib. - What are the benefits of installing an anti-siphon device?
They protect the water supply from contamination and comply with plumbing regulations. - Is it expensive to add anti-siphon devices to hose bibs?
No, they are relatively inexpensive and straightforward to install, making them a cost-effective safety measure.
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Disclaimer: The information provided in this blog is for informational purposes only and should not be considered as specialist professional advice. Hope Home Inspections, its employees, and its representatives do not assume any responsibility or liability for any errors or omissions in the content of this blog. Use of this information is at your own risk. We recommend consulting with a licensed specialist for any specific concerns or issues related to your home.