845 Sigma Combi Boiler Gas Valve 0845051

This model is a gas valve used in combi boilers and heating systems and is manufactured by the 845 Sigma brand in Padua, Italy. The gas valve is a vital component for correctly controlling the gas flow in the combi boiler system. This model is designed for use with both natural gas and LPG.

Product Features

• Brand: 845 SIGMA
• Country of Manufacture: Italy (Padua)
• CE Certificate: Yes
• Model Code: 0845051
• Max Inlet Pressure (Pi max): 60 mbar
• Outlet Pressure Range (Po): 1-37 mbar
• Electric Valve 1 (EV1): 24V AC, 50Hz, 9.4 VA, Class B
• Electric Valve 2 (EV2): 24V AC, 50Hz, 3 VA, Class J
• Microcontroller Maximum Voltage (MD MAX): 17V DC
• Maximum Current: 165 mA
• Operating Temperature Range (Tamb.): -15/60°C
• Lot Number: 1290393
• Product Number: 0039

Use and Application

The gas valve is a critical part for regulating the fuel and ensuring safety in combi boilers. Its correct operation is very important for the efficiency and safety of the system. Installation and maintenance work should therefore be carried out by a specialist technician.

Safety and Maintenance

Maintenance of gas valves should always be carried out by an authorized technical service. Since gas valves are devices operating under high pressure, care must be taken and safety precautions must be observed during maintenance and repair work.

Gas Type and Pressure Values

This gas valve is compatible with both natural gas and LPG. The maximum inlet pressure (Pi max) is 60 mbar and the outlet pressure (Po) varies between 1-37 mbar. These features enable the gas valve to deliver reliable performance under various conditions.

Electrical Characteristics

The 845 Sigma Combi Boiler Gas Valve is equipped with two electric valves (EV1 and EV2). EV1 operates at 24V AC, 50Hz, 9.4 VA, Class B, while EV2 operates at 24V AC, 50Hz, 3 VA, Class J. It has MD MAX 17V DC and a maximum current of 165 mA. These electrical characteristics ensure safe and efficient operation of the valve.

Ambient Temperature and Other Information

The valve can operate at ambient temperatures ranging from -15°C to 60°C. With product code 0845051, lot number 1290393 and product number 0039, this gas valve is a long-lasting and durable solution.