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.
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.
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A serious problem can develop that springs from backflow.
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.
This will also ensure that your drinking or potable water supply shouldn t be contaminated with chemicals or debris from the garden.
A backflow preventer is like a one way gate for water.
What s a backflow preventer.
Backflow prevention devices must be installed on all sprinkler systems including sprinklers attached to hoses using potable fit for drinking 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 preventers sprinkler system backflow prevention devices are safety mechanisms to prevent contaminants from entering water supplies.
A backflow preventer is a valve which will protect your drinking water from chemicals.
Backflow prevention devices are designed to prevent contamination of the potable water system from pesticides feces and other hazardous materials.
It does this by maintaining a lower water pressure in the irrigation system than in the domestic water source.
Backflow preventers can be as simple as a single check valve that closes when water flow reverses.
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.
Most people don t give a moment s thought to their drinking water.
The backflow valve is normally located between the water supply connection and the sprinkler system in your home.