The V3L-1111-D9 part made by Honeywell is a three-way, normally closed, low wattage, integrated water and gas valve. This valve can be used for a variety of applications including HVAC systems, hot water heating systems, humidifying, and dehumidifying systems. It has a 1/4" NPT inlet and outlet ports, and requires a 24VAC coil for actuation. It has a maximum working pressure of 250 PSI, and a maximum temperature of 212°F. The valve body is constructed from brass, and it is UL/CSA approved for use in the United States and Canada.