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	<title>Sprinkler Troubleshooting - Fort Mill Irrigation</title>
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	<description>Sprinkler Repair, Irrigation Service &#38; Winterization in Fort Mill, SC</description>
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	<title>Sprinkler Troubleshooting - Fort Mill Irrigation</title>
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		<title>What Can Cause an Irrigation Backflow Preventer to Leak?</title>
		<link>https://fortmillirrigation.com/what-causes-irrigation-backflow-preventer-leak/</link>
		
		<dc:creator><![CDATA[Fort Mill Irrigation]]></dc:creator>
		<pubDate>Sun, 04 Oct 2026 11:44:07 +0000</pubDate>
				<category><![CDATA[Sprinkler Troubleshooting]]></category>
		<guid isPermaLink="false">https://fortmillirrigation.com/what-causes-irrigation-backflow-preventer-leak/</guid>

					<description><![CDATA[<p>Learn why an irrigation backflow preventer may leak, including freeze damage, debris, worn components, pressure conditions and supply-assembly problems.</p>
<p>The post <a href="https://fortmillirrigation.com/what-causes-irrigation-backflow-preventer-leak/">What Can Cause an Irrigation Backflow Preventer to Leak?</a> first appeared on <a href="https://fortmillirrigation.com">Fort Mill Irrigation</a>.</p>]]></description>
										<content:encoded><![CDATA[<p><strong>An irrigation backflow preventer can leak because of freeze damage, worn or damaged internal components, debris, pressure conditions or problems around the irrigation supply assembly.</strong> The location and timing of the leak help determine what needs repair.</p>
<h2>Freeze damage</h2>
<p>Above-ground irrigation components are especially exposed during cold weather. Water trapped inside can expand when it freezes and damage housings, fittings or internal parts.</p>
<h2>Debris and internal wear</h2>
<p>Debris or worn components can prevent internal parts from sealing correctly. A technician can inspect the assembly and surrounding irrigation supply to determine whether repair is practical.</p>
<h2>Repair versus testing</h2>
<p>Fort Mill Irrigation provides <a href="/backflow-irrigation-supply-service/">backflow and irrigation-supply repair</a> related to residential sprinkler systems. <strong>We do not advertise backflow certification testing.</strong></p>
<h2>Winter protection</h2>
<p>Our <a href="/sprinkler-winterization/">sprinkler winterization</a> service is intended to reduce trapped water in irrigation components before freezing conditions.</p>
<p>Call <a href="tel:8037108008">(803) 710-8008</a> for irrigation supply or backflow repair in the Fort Mill service area.</p><p>The post <a href="https://fortmillirrigation.com/what-causes-irrigation-backflow-preventer-leak/">What Can Cause an Irrigation Backflow Preventer to Leak?</a> first appeared on <a href="https://fortmillirrigation.com">Fort Mill Irrigation</a>.</p>]]></content:encoded>
					
		
		
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		<title>Can a Sprinkler Leak Make My Water Bill Go Up Even When the System Is Off?</title>
		<link>https://fortmillirrigation.com/sprinkler-leak-water-bill-system-off/</link>
		
		<dc:creator><![CDATA[Fort Mill Irrigation]]></dc:creator>
		<pubDate>Sun, 04 Oct 2026 11:44:05 +0000</pubDate>
				<category><![CDATA[Sprinkler Troubleshooting]]></category>
		<guid isPermaLink="false">https://fortmillirrigation.com/sprinkler-leak-water-bill-system-off/</guid>

					<description><![CDATA[<p>Some sprinkler leaks can raise a water bill even when watering is off. Learn how pressurized supply leaks differ from leaks downstream of zone valves.</p>
<p>The post <a href="https://fortmillirrigation.com/sprinkler-leak-water-bill-system-off/">Can a Sprinkler Leak Make My Water Bill Go Up Even When the System Is Off?</a> first appeared on <a href="https://fortmillirrigation.com">Fort Mill Irrigation</a>.</p>]]></description>
										<content:encoded><![CDATA[<p><strong>Yes. Some irrigation leaks can waste water even when the controller is not actively running a watering schedule.</strong> Whether that happens depends on where the leak is located and whether that section of piping remains under pressure.</p>
<h2>Leaks before the zone valves</h2>
<p>A leak on a pressurized irrigation supply line can continue whenever the irrigation water supply is on. These leaks may create persistently wet soil or unexplained water use.</p>
<h2>Leaks after a zone valve</h2>
<p>Lateral piping normally carries pressure while its zone is running. However, a valve that seeps internally can allow water into a zone while the controller is off, sometimes producing drainage or a slowly leaking sprinkler head.</p>
<h2>How the leak is isolated</h2>
<p>The timing and location of water are important clues. Our <a href="/sprinkler-leak-repair/">sprinkler leak repair</a> process determines whether the problem is supply-side, valve-related or within a particular zone before digging.</p>
<p>Fort Mill homeowners can call <a href="tel:8037108008">(803) 710-8008</a> for residential irrigation troubleshooting.</p><p>The post <a href="https://fortmillirrigation.com/sprinkler-leak-water-bill-system-off/">Can a Sprinkler Leak Make My Water Bill Go Up Even When the System Is Off?</a> first appeared on <a href="https://fortmillirrigation.com">Fort Mill Irrigation</a>.</p>]]></content:encoded>
					
		
		
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		<item>
		<title>Sprinkler Valve Has Power but Will Not Open: What Does That Mean?</title>
		<link>https://fortmillirrigation.com/sprinkler-valve-has-power-but-will-not-open/</link>
		
		<dc:creator><![CDATA[Fort Mill Irrigation]]></dc:creator>
		<pubDate>Sun, 04 Oct 2026 11:44:03 +0000</pubDate>
				<category><![CDATA[Sprinkler Troubleshooting]]></category>
		<guid isPermaLink="false">https://fortmillirrigation.com/sprinkler-valve-has-power-but-will-not-open/</guid>

					<description><![CDATA[<p>If a sprinkler valve receives power but will not open, the fault may involve the solenoid, diaphragm, internal valve passages, water supply or valve body.</p>
<p>The post <a href="https://fortmillirrigation.com/sprinkler-valve-has-power-but-will-not-open/">Sprinkler Valve Has Power but Will Not Open: What Does That Mean?</a> first appeared on <a href="https://fortmillirrigation.com">Fort Mill Irrigation</a>.</p>]]></description>
										<content:encoded><![CDATA[<p><strong>If voltage reaches a sprinkler valve but the zone does not open, the problem may be at the solenoid, valve diaphragm, internal ports, water supply or the valve itself.</strong> Confirming electrical output is useful, but it does not prove that the hydraulic side of the valve is operating.</p>
<h2>Electrical signal versus water flow</h2>
<p>The controller sends low-voltage power to the solenoid. The solenoid then allows the valve to respond hydraulically. A valid electrical signal with no water flow narrows the diagnosis but does not identify a single failed part by itself.</p>
<h2>Possible causes</h2>
<p>A failed or weak solenoid, stuck internal components, debris, diaphragm damage, closed supply or a mechanical valve failure can all produce a dead zone even when controller voltage is present.</p>
<h2>Test before replacing the valve</h2>
<p>Our <a href="/sprinkler-valve-repair/">sprinkler valve repair</a> approach checks controller output, wiring/solenoid response and valve behavior before recommending parts. If the valve is buried or its wiring path is uncertain, <a href="/valve-locating-wire-tracing/">valve locating and wire tracing</a> may be part of the diagnosis.</p>
<p>Need help in Fort Mill or a nearby community? Call <a href="tel:8037108008">(803) 710-8008</a>.</p><p>The post <a href="https://fortmillirrigation.com/sprinkler-valve-has-power-but-will-not-open/">Sprinkler Valve Has Power but Will Not Open: What Does That Mean?</a> first appeared on <a href="https://fortmillirrigation.com">Fort Mill Irrigation</a>.</p>]]></content:encoded>
					
		
		
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		<item>
		<title>Why Does My Sprinkler System Lose Pressure When a Zone Turns On?</title>
		<link>https://fortmillirrigation.com/sprinkler-loses-pressure-when-zone-turns-on/</link>
		
		<dc:creator><![CDATA[Fort Mill Irrigation]]></dc:creator>
		<pubDate>Sun, 04 Oct 2026 11:44:01 +0000</pubDate>
				<category><![CDATA[Sprinkler Troubleshooting]]></category>
		<guid isPermaLink="false">https://fortmillirrigation.com/sprinkler-loses-pressure-when-zone-turns-on/</guid>

					<description><![CDATA[<p>A sprinkler zone that loses pressure when it opens may have a leak, restriction, valve problem, excessive flow demand or irrigation supply issue.</p>
<p>The post <a href="https://fortmillirrigation.com/sprinkler-loses-pressure-when-zone-turns-on/">Why Does My Sprinkler System Lose Pressure When a Zone Turns On?</a> first appeared on <a href="https://fortmillirrigation.com">Fort Mill Irrigation</a>.</p>]]></description>
										<content:encoded><![CDATA[<p><strong>A sprinkler system that has normal pressure until a zone opens may have a leak, restriction, valve problem, excessive flow demand or supply-side issue.</strong> The pattern matters: one weak zone points toward a different set of causes than every zone being weak.</p>
<h2>If only one zone loses pressure</h2>
<p>Check for broken heads, underground lateral-line leaks, a valve that is not opening fully, clogged nozzles or too many high-flow heads on the zone. Our <a href="/low-sprinkler-pressure-troubleshooting/">low-pressure troubleshooting</a> process compares zone behavior rather than assuming the water supply is the problem.</p>
<h2>If every zone loses pressure</h2>
<p>System-wide weakness can point toward the irrigation shutoff, backflow/supply components or another upstream restriction. See <a href="/backflow-irrigation-supply-service/">irrigation supply and backflow repair</a>.</p>
<h2>Why replacing heads may not solve it</h2>
<p>Changing sprinkler heads can mask a hydraulic problem without correcting its cause. Pressure diagnosis should start with where the loss occurs and whether it affects one zone or the entire system.</p>
<p>Fort Mill Irrigation has serviced residential irrigation systems since 1996. Call <a href="tel:8037108008">(803) 710-8008</a> for sprinkler troubleshooting.</p><p>The post <a href="https://fortmillirrigation.com/sprinkler-loses-pressure-when-zone-turns-on/">Why Does My Sprinkler System Lose Pressure When a Zone Turns On?</a> first appeared on <a href="https://fortmillirrigation.com">Fort Mill Irrigation</a>.</p>]]></content:encoded>
					
		
		
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		<item>
		<title>Sprinkler System Not Working After a Freeze: What to Check in Fort Mill</title>
		<link>https://fortmillirrigation.com/sprinkler-system-not-working-after-freeze-fort-mill/</link>
		
		<dc:creator><![CDATA[Fort Mill Irrigation]]></dc:creator>
		<pubDate>Sun, 04 Oct 2026 11:43:59 +0000</pubDate>
				<category><![CDATA[Sprinkler Troubleshooting]]></category>
		<guid isPermaLink="false">https://fortmillirrigation.com/sprinkler-system-not-working-after-freeze-fort-mill/</guid>

					<description><![CDATA[<p>Sprinkler problems after a freeze can include leaks, cracked exposed components and low-pressure zones. Learn what Fort Mill homeowners should check.</p>
<p>The post <a href="https://fortmillirrigation.com/sprinkler-system-not-working-after-freeze-fort-mill/">Sprinkler System Not Working After a Freeze: What to Check in Fort Mill</a> first appeared on <a href="https://fortmillirrigation.com">Fort Mill Irrigation</a>.</p>]]></description>
										<content:encoded><![CDATA[<p><strong>If a sprinkler system stops working after freezing weather, start by looking for visible leaks, cracked above-ground components and zones that no longer build normal pressure.</strong> Freeze damage does not always appear immediately. A split fitting or damaged backflow/supply component may become obvious only when the irrigation water is turned back on.</p>
<h2>Common signs of freeze damage</h2>
<p>Watch for water spraying or dripping near the irrigation supply, unusually wet soil, a zone with very low pressure, heads that will not rise, or a system that loses pressure as soon as it runs.</p>
<h2>Why diagnosis matters</h2>
<p>A weak zone after a freeze is not automatically a broken pipe. A valve problem, supply restriction or damaged component can create similar symptoms. A <a href="/spring-sprinkler-start-up/">spring sprinkler start-up</a> that tests the system zone by zone can help isolate freeze-related failures before excavation or parts replacement.</p>
<h2>Backflow and irrigation-supply repairs</h2>
<p>Fort Mill Irrigation performs <a href="/backflow-irrigation-supply-service/">backflow and irrigation-supply repair</a> when sprinkler-system components are damaged or leaking. We do not advertise backflow certification testing.</p>
<h2>Preventing the same problem next winter</h2>
<p>Professional <a href="/sprinkler-winterization/">sprinkler winterization</a> reduces the amount of trapped water left in vulnerable irrigation components before freezing weather.</p>
<p>For residential sprinkler troubleshooting in the area, see our <a href="/fort-mill-sprinkler-repair/">Fort Mill sprinkler repair</a> service or call <a href="tel:8037108008">(803) 710-8008</a>.</p><p>The post <a href="https://fortmillirrigation.com/sprinkler-system-not-working-after-freeze-fort-mill/">Sprinkler System Not Working After a Freeze: What to Check in Fort Mill</a> first appeared on <a href="https://fortmillirrigation.com">Fort Mill Irrigation</a>.</p>]]></content:encoded>
					
		
		
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