Use of the RPZ valve shall provide protection where a health hazard exists. They are a mandatory requirement and should be fitted on all irrigation systems that are connected to the mains with a cross connection to potentially toxic material such as fertiliser and recycled water. eg. nurseries, football fields on recycled tank water.

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Designed for installation on pressure water systems, it protects against both back-siphonage and back-pressure of contaminated water into the water supply.

Designed for installation on pressure water systems, it protects against both back-siphonage and back-pressure of contaminated water into the water supply.

Use of the RPZ valve shall provide protection where a health hazard exists. They are a mandatory requirement and should be fitted on all irrigation systems that are connected to the mains with a cross connection to potentially toxic material such as fertiliser and recycled water. eg. nurseries, football fields on recycled tank water.