Designed to fit most Underfloor Heating pumps our compact 4-way non-mixing valve and elbow with integrated pump connection is designed for fast, secure installation. Key Features: 1” FM outlet connection to manifold ball valves ¾” FM inlet connection Thermometer on elbow Brass construction CE certified Durable brass body with EPDM seals and stainless-steel internals 5-year warranty Installer Note: Professional installation required. Use strainers and isolation valves. Ensure clean pipework and correct valve orientation. In hard water areas, a softener is recommended.