preventing dry-fire conditions that lead to catastrophic heat exchanger failure

effectively managing both radial and axial loads

including the GVR-40

making it an ideal choice for retrofits where a common wire may be absent

Siemens Building Technology 599-00231 Valve Assembly 318518-761 preventing dry-fire conditions that leadThe Siemens 599 00231 is a robust 3 way zone valve assembly engineered for precise control in hydronic systems. Featuring a 1 2" NPT connection and a 2. 5 Cv rating, this brass body valve is designed with brass trim and a stainless steel stem to ensure long term durability in high demand HVACR applications. Operating on 120Vac, the unit utilizes a linear flow characteristic to provide consistent regulation of hot or chilled water, as well as glycol