Anti Siphon Vacuum Breaker

Q. Do I need to install a Vacuum Break or BackFlow Preventor? - YES! Vacuum Breakers and Backflow Preventors are designed to prevent water from flowing back from your drip irrigation system into your household water in the event of pressure loss in the water mainline.
Vacuum Breakers: aka Irrigation Backflow Preventers, Anti Siphon Breaker: Irrigation backflow preventer prevents contamination of your water supply. Back
siphon can occur if negative pressure is present in the city water mainline or if the mainline bursts or freezes. Irrigation backflow preventer acts as a one way check valve and if the mainline pressure drops, the Vacuum Breaker's internal check valve opens and dumps the water before entering your potable water source. Most municipalities require backflow prevention devices at the beginning of most irrigation systems.
Vacuum Breakers must be installed 1 foot higher then the highest elevation in your landscape to operate properly (Most household water faucets are fine). Check with your water district for local codes and requirements.
7 Item(s)
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CH-BHVB 3/4" Hose Thread Vacuum Breaker - Anti-Siphon Backflow Preventer - Brass
$3.60 - $5.24Volume discounts 1 - 23 $5.24 24 - 143 $4.29 144 + $3.60 Prevents contamination of your water supply by stopping the flow of water from your drip irrigation system back into your household water.
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DD-HFW 3/4" Hose Thread Filter Washer - 60 Mesh Screen
$0.30 - $0.50Volume discounts 1 - 9 $0.50 10 - 24 $0.40 25 - 99 $0.35 100 + $0.30 Order in Multiples of 5 - Trap sediment in water supply. All-in-One washer & screen -
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DD-HVB 3/4" Hose Thread Vacuum Breaker - Anti-Siphon Backflow Preventer - Plastic
$1.75 - $2.50Volume discounts 1 - 24 $2.50 25 - 99 $2.25 100 + $1.75 Prevents contamination of your water supply by stopping the flow of water from your drip irrigation system back into your household water. -
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DD-HW 3/4" Hose Thread Washer
$0.04 - $0.10Volume discounts 1 - 49 $0.10 50 - 99 $0.08 100 - 999 $0.06 1000 + $0.04 Order in Multiples of 10 - Use to make water-tight seal on garden hoses and hose threaded fittings. -
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DT-ARV-50 1/2" MPT Air Vacuum Relief Valve
$1.50 - $2.90Volume discounts 1 - 9 $2.90 10 - 24 $2.40 25 - 99 $1.90 100 + $1.50 1/2" MPT Air Vacuum Relief Valve. Air Release & Vacuum Relief Valves are installed on the highest point of a drip irrigation or drip tape watering system to minimize the collapse of mainline and submain pipes, and reduce back siphonage of dirt into drip emitters and drip tape. -
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DT-ARV-75 3/4" MPT Air Vacuum Relief Valve
$3.50 - $6.90Volume discounts 1 - 9 $6.90 10 - 24 $5.40 25 - 99 $4.00 100 + $3.50 3/4" MPT Air Vacuum Relief Valve. Air Release / Vacuum Relief Valves are installed on the highest point of a drip irrigation or drip tape watering system to minimize the collapse of mainline and submain pipes, and reduce back siphonage of dirt into drip emitters and drip tape. -
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DT-ARV-100 1" MPT Air Vacuum Relief Valve
$3.50 - $6.90Volume discounts 1 - 9 $6.90 10 - 24 $5.40 25 - 99 $4.00 100 + $3.50 1" MPT Air Vacuum Relief Valve. Air Release / Vacuum Relief Valves are installed on the highest point of a drip irrigation or drip tape watering system to minimize the collapse of mainline and submain pipes, and reduce back siphonage of dirt into drip emitters and drip tape.
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