Double Check Backflow Preventer

<p>The Apollo® Model 4A105A2F Series Double Check Valves prevent contamination of the potable water supply due to back-siphonage or backpressure from substances that are objectionable to the potable water supply, but non-health hazards. The top accessed modular check valve cartridges provide captured springs, replaceable seats and reversible silicone seat discs. This Made in America assembly features ball valve shutoffs with stainless steel handles and nuts as standard and carries the five-year Apollo® factory warranty.</p><p></p><p><strong>THIS IS NOT THE LEAD-FREE MODEL </strong></p>

<ul><li><p>3/4" Model DC4A Double Check Valve</p></li><li><p>4A104A2F</p></li><li><p><strong>NOT LEAD-FREE</strong></p></li></ul><p></p><p>The Apollo® Model DC4A Double Check Valves prevent contamination of the potable water supply due to back-siphonage or backpressure from substances that are objectionable to the potable water supply, but non-health hazards. The top accessed modular check valve cartridges provide captured springs, replaceable seats and reversible silicone seat discs. This Made in America assembly features ball valve shutoffs with stainless steel handles and nuts as standard and carries the five-year Apollo® factory warranty.</p><p></p><p><strong>THIS IS NOT THE LEAD-FREE MODEL </strong></p>

<p>The FEBCO Series 850 Double Check Valve Assembly Backflow Preventers are designed for non-health hazard applications. The Series 850 are designed to protect drinking water supplies from dangerous cross-connections in accordance with national plumbing codes and water authority requirements for non-potable service applications such as irrigation, fire line, or industrial processing. Small diameter sizes 1/2 to 2 inch. Standard assembly with ball valves or union end ball valves. End Connections: NPT ANSI / ASME B1.20.1.</p>

<p>The FEBCO Series 850 Double Check Valve Assembly Backflow Preventers are designed for non-health hazard applications. The Series 850 are designed to protect drinking water supplies from dangerous cross-connections in accordance with national plumbing codes and water authority requirements for non-potable service applications such as irrigation, fire line, or industrial processing. Small diameter sizes 1/2 to 2 inch. Standard assembly with ball valves or union end ball valves. End Connections: NPT ANSI / ASME B1.20.1.</p>

<p>The FEBCO Series 850 Double Check Valve Assembly Backflow Preventers are designed for non-health hazard applications. The Series 850 are designed to protect drinking water supplies from dangerous cross-connections in accordance with national plumbing codes and water authority requirements for non-potable service applications such as irrigation, fire line, or industrial processing. Small diameter sizes 1/2 to 2 inch. Standard assembly with ball valves or union end ball valves. End Connections: NPT ANSI / ASME B1.20.1.</p>

<p>The FEBCO Series 850 Double Check Valve Assembly Backflow Preventers are designed for non-health hazard applications. The Series 850 are designed to protect drinking water supplies from dangerous cross-connections in accordance with national plumbing codes and water authority requirements for non-potable service applications such as irrigation, fire line, or industrial processing. Small diameter sizes 1/2 to 2 inch. Standard assembly with ball valves or union end ball valves. End Connections: NPT ANSI / ASME B1.20.1.</p>

<p>The Apollo DCLF 4A is a 1-inch lead-free double check valve assembly for backflow prevention on potable-water irrigation systems. The lead-free (LF) construction meets code requirements for potable plumbing where lead-bearing brass is no longer permitted.</p><ul><li>1-inch DCLF 4A double check valve, lead-free</li><li>Backflow prevention for potable-water irrigation</li><li>Meets lead-free code requirements (NSF/ANSI 372)</li><li>Genuine Apollo backflow assembly</li></ul><p>In stock and ships fast from Total Sprinkler.</p>

<ul><li><p>Febco 0122965</p></li><li><p>LF850U-QT 1</p></li><li><p>1 In Lead Free Bronze Double Check Valve Backflow Preventer Assembly, Quarter Turn Shutoff, Union, Small Diameter</p></li></ul>

<ul><li><p>Febco 0683043</p></li><li><p>LF850-QT 2</p></li><li><p>2 In Lead Free Bronze Double Check Valve Backflow Preventer Assembly, Quarter Turn Shutoff, Small Diameter</p></li></ul>

<ul><li><p>Febco 0683042</p></li><li><p>LF850-QT 1 1/2</p></li><li><p>1 1/2 In Lead Free Bronze Double Check Valve Backflow Preventer Assembly, Quarter Turn Shutoff, Small Diameter</p></li></ul>

<p>The Apollo 4ALF104A2F is a 3/4-inch lead-free DCLF 4A double check valve assembly for backflow prevention on potable-water irrigation systems. The lead-free (LF) construction meets code requirements for potable plumbing where lead-bearing brass is no longer permitted.</p><ul><li>3/4-inch DCLF 4A double check valve, lead-free</li><li>Backflow prevention for potable-water irrigation</li><li>Meets lead-free code requirements (NSF/ANSI 372)</li><li>Genuine Apollo backflow assembly</li></ul><p>In stock and ships fast from Total Sprinkler.</p>

<ul><li><p>Febco 0683040</p></li><li><p>LF850-QT 1</p></li><li><p>1 In Lead Free Bronze Double Check Valve Backflow Preventer Assembly, Quarter Turn Shutoff, Small Diameter</p></li></ul>

<ul><li><p>Febco 0683039</p></li><li><p>LF850-QT 3/4</p></li><li><p>3/4 In Lead Free Bronze Double Check Valve Backflow Preventer Assembly, Quarter Turn Shutoff, Small Diameter</p></li></ul>