<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[Vanhorne Plumbing & Backflow]]></title><description><![CDATA[We are certified Backflow Prevention Specialists working in Ontario to fulfill your backflow prevention Testing, Installations, Surveys and Repairs.]]></description><link>https://www.vanhorneplumbing.com/blog</link><generator>RSS for Node</generator><lastBuildDate>Fri, 09 Oct 2026 18:50:21 GMT</lastBuildDate><atom:link href="https://www.vanhorneplumbing.com/blog-feed.xml" rel="self" type="application/rss+xml"/><item><title><![CDATA[Why Does the City Require a Backflow Preventer on Your Water Main?]]></title><description><![CDATA[If you've ever received a letter from the city about backflow testing and wondered why they care so much about one device on your water main, here's the short answer: water can flow backwards — and when it does, it can put a whole neighbourhood's drinking water at risk. Your water main is a two-way street. Clean water flows from the city main into your building. But under the right conditions, that flow can reverse. There are two ways this happens: Backsiphonage is when pressure in the city...]]></description><link>https://www.vanhorneplumbing.com/post/why-does-the-city-require-a-backflow-preventer-on-your-water-main</link><guid isPermaLink="false">6ac8ee1eb89f0f638e3cd00f</guid><pubDate>Fri, 09 Oct 2026 13:39:22 GMT</pubDate><enclosure url="https://static.wixstatic.com/media/054067_0f73a9d16418405a82502f31e8ba3485~mv2.png/v1/fit/w_1000,h_1000,al_c,q_80/file.png" length="0" type="image/png"/><dc:creator>nashbrienza</dc:creator></item></channel></rss>