Honeywell Gas solenoid valve VR8304H4842/B

The Honeywell Gas solenoid valve VR8304H4842/B is a compact automatic gas valve designed for gas flow control in domestic heating systems, heaters, boilers, and water heaters. It features a 2.8 mm output aperture and includes an internal fine-mesh filter on the input side. The valve supports flow indication in m3/h and has a regulator spring that can be locked when pressure regulation is not required. It is equipped with two electric actuators for controlling the safety and main valves, and is compatible with various gas types including natural gas and liquefied petroleum gas.

Parts of this type are selected by matching the valve's specifications to the system's requirements, including gas type, inlet pressure, and electrical supply. The valve must be installed in a vertical position with actuators on top, but can be rotated within a 90-degree angle in any direction. Ensure the mounting holes align with the system's base and that the electrical connectors match the DIN standard. Before ordering, verify the output aperture size and the presence of an internal filter to ensure compatibility with the existing setup.

Common failures in gas valves of this kind include sticking or leaking due to debris, which can cause inconsistent gas flow or failure to open or close properly. Symptoms may include the burner not igniting, fluctuating flame, or the system failing to shut off. Check the internal filter for clogging and inspect the valve for signs of wear or damage. If the valve does not respond to electrical signals, test the actuators and connections for continuity.