The PRE-36024-24X27 is part of Proline’s Pre-Engineered Headwalls and Enclosures, a line of complete hydraulic headwall systems that save time and money in the installation of water and wastewater pipelines. This model includes a system with a low profile 24” x 27” reinforced concrete or aluminum wall enclosure to contain, protect, and access the pressure regulating backflow prevention device, pressure meter, and other related components. Additional features of this system include an insulated cover, firewall, hazardous vents, pressure test fitting, internal clean-out, valve chamber, and 2” valve bypass.