Sprinkler System Backflow Preventer Spraying Water

A backflow preventer is like a one way gate for water. In the past we might have walked miles to a well to collect water but now we simply turn on the faucet and drink as much as we like. Backflow prevention devices are designed to prevent contamination of the potable water system from pesticides feces and other hazardous materials.

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What s a backflow preventer.

Sprinkler system backflow preventer spraying water.

A back flow preventer is a device that prevents water from your irrigation system from re entering your domestic water source. Backflow preventers sprinkler system backflow prevention devices are safety mechanisms to prevent contaminants from entering water supplies. Most people don t give a moment s thought to their drinking water. Most backflow preventers are used to keep unsafe water from reversing flow and entering the clean water supply.

Backflow preventers can be as simple as a single check valve that closes when water flow reverses. This is intended to prevent any flow of water from going backward. It s a device that s installed on your home s water pipes that allows water to flow in one direction but never in the opposite direction. Irrigation backflow devices are designed for installation on potable water lines to protect against both back siphonage and backpressure of contaminated water into the potable water supply.

If the inlet valve bottom in your picture isn t opened enough or if the other valves aren t set right there s not enough pressure to activate the backflow preventer so water just spews out the top and or sides. A backflow preventer is a valve which will protect your drinking water from chemicals. It does this by maintaining a lower water pressure in the irrigation system than in the domestic water source. Its job is to prevent drinking.

A serious problem can develop that springs from backflow. The backflow valve is normally located between the water supply connection and the sprinkler system in your home. This will also ensure that your drinking or potable water supply shouldn t be contaminated with chemicals or debris from the garden. Backflow prevention devices must be installed on all sprinkler systems including sprinklers attached to hoses using potable fit for drinking water.

Check out this video on how to properly turn on the pressure vacuum breaker pvb.