Siemens VGU56S.A1109 gas valve

Siemens VGU56S A1109 gas valve — combined solenoid valve for gas boilers. Reliable and safe gas supply control in heating systems. Siemens VGU56S A1109 is a modern combined gas valve (two-stage), specially designed for gas boilers and water heaters. It provides precise and safe regulation of gas supply, ensuring stable burner operation, high energy efficiency, and safety of the entire heating system. The valve is widely used in boilers from manufacturers such as Fondital, Nova Florida, Unical, Enel.si, and other European brands. German Siemens quality guarantees maximum reliability, fast response, and long service life. Main technical specifications: Valve type: Combined gas solenoid valve (two-stage); Model: VGU56S A1109; Connection: Internal thread Rp 3/4" (inlet/outlet); Working gas pressure: 0–60 mbar (maximum overpressure); Supply voltage: 230 V AC, 50 Hz; Power consumption: approx. 13–16 VA; Ambient temperature: -20°C to +60°C; Housing material: High-quality stainless steel and durable alloys; Protection class: Meets safety requirements for gas equipment (Class B/J); Functions: Main and modulating valves + built-in pressure compensator (depending on boiler model). Advantages of Siemens VGU56S A1109: High safety — double gas shut-off, fast-acting solenoids, and built-in protection systems. Precise regulation — ensures stable flame and economical gas consumption. Reliability — proven Siemens design, resistant to pressure fluctuations and long-term operation. Easy installation — standard 3/4" threaded connections allow quick valve replacement in most boilers. Compatibility — ideal