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Backflow device

Backflow devices are one-way valves, called check valves. They prevent the water flowing back on the other way in the pipework.

When an irrigation system is connected to the main water system, a double check valve must be used as a legal requirement, preventing the main water system from diseases. On systems installed by The Gardener’s Rain, double check valves are always installed right after the first water connection.

Operation

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Working of these valves are automatic. Water is never let flowing back.

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Maintenance

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Check valves are maintenance-free, although there is a chance to get blocked or stuck. Replacing of them are recommended at least every 8 years.

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