Access Junction Lid & Square Frame - 320mm Diameter extension They are pressure activated one

They are pressure activated one way mechanical vents fitted to eliminate the need for conventional pipe venting and roof penetrations

- Only 1 reference to deal with per diameter

thereby releasing the vacuum and facilitating its safe passage into the sewer system

Included with each is a set of blue coloured which are simple to change

Access Junction Lid & Square Frame - 320mm Diameter extension They are pressure activated oneDESCRIPTION: Access Junctions with a 320mm diameter offers a reliable solution for connecting waste pipes efficiently. Designed for durability and ease of installation, this component ensures secure access points for maintenance and inspection, helping to maintain optimal flow and prevent blockages in drainage systems. *Code: ASA320 is a Round to Square Inspection Chamber SPECIFICATIONS: 320mm in diameter Max. load rating: 3. 5 tonnes Material: