12mm x 1.6 x 3/4'' 2 Port Underfloor Heating Complete Manifold with Pipe Connections,,Automatic Air Vent and Pressure Gauge Unit DescriptionComprehensive Manifold - Complete manifold system with 2 ports, providing efficient water distribution for underfloor heating setups.Pipe Connections - Equipped with 12mm x 1.6 x 3/4 pipe connections for easy integration into your underfloor heating system, ensuring a secure and leak-free connection.Automatic Air Vent End Unit - Includes an automatic air vent end unit to efficiently remove trapped air from the system, ensuring optimal performance.Pressure Gauge End Unit - Comes with a pressure gauge end unit for convenient monitoring of system pressure, helping to maintain optimal operation.Filling Drain Off Valv - Incorporates a filling drain off valve for easy filling and draining of the system, simplifying maintenance tasks.Durable Construction - Constructed from high-quality materials for durability and longevity, ensuring reliable performance in underfloor heating applications. PSW TRADESUPPLIERS LTD offers high quality products.Underfloor heating manifolds are able to control multiple zones at once, allowing each zone to be warmed to a different temperature.