At what height should the RP be installed?

The correct height for installing a Reduced Pressure Backflow Preventer (RP) is established to ensure proper operation and maintenance, while also allowing for any necessary service or inspection. Installing the RP at least 12 to 36 inches above grade helps prevent flooding from impacting its functionality. This height allows for adequate air circulation around the device and reduces the risk of water intrusion, which can compromise its operation. Additionally, being elevated makes it easier for inspectors and maintenance personnel to access the device without obstruction or hazard.

Setting this installation height also complies with industry standards and codes, which are designed to protect public health by ensuring that backflow prevention devices function correctly. By adhering to these guidelines, water supply systems maintain consistent safety measures against contamination.