Valvola del gas Master 4160.883

This gas valve is a component used in air heaters, burners, and boilers to control the flow of fuel to the combustion head. It is part of the fuel admission stage in the ignition and safety sequence: when the burner control calls for heat, the valve opens to allow gas to reach the burner; when the flame is not proven or the control shuts down, the valve closes to stop fuel flow. The valve works together with the burner control, gas pressure switch, and gas filter. It may also be involved in modulation if the burner uses a proportional valve to vary output. When selecting a replacement gas valve of this type, the main parameters are the fuel family (natural gas or LPG), the inlet and outlet pressure range, the electrical supply voltage (typically 24 V or 230 V AC), and the valve body size and connection thread. Safety class (Class A or B for automatic shut-off) must match the burner control requirements. If the appliance has been converted to a different gas family, the valve settings and possibly the valve itself must be changed accordingly. During replacement, always check the burner control’s wiring and the pressure switch setting to avoid lockouts. There is no additional information about this specific article beyond its catalogue number and manufacturer codes. The part may be used in Master-branded air heaters or other equipment where a gas valve of this configuration fits. Ensure the valve is correctly sized and approved for the appliance’s output range and safety standards.