Straight Washing Machine Valve
 is a compression-type valve used to isolate the water supply to a washing machine or dishwasher. It features a straight body with a 15mm compression inlet and a 3/4" BSP threaded outlet for standard appliance hoses. The "Light Pattern" refers to its light body construction. 
Key Features and Specifications
Product Type: Straight Washing Machine Valve.
Manufacturer Part Number (MPN): KPSWMV15 
Connections:
Inlet: 15mm compression fitting (for standard copper or plastic pipe with an insert).
Outlet: 3/4" BSP male threaded fitting (for standard washing machine/dishwasher hose).
Operation: Operated by a plastic lever for immediate on/off control.
Material: Typically constructed from chrome-plated brass for durability and corrosion resistance.
Levers: Supplied with interchangeable red and blue levers for identifying hot and cold water supplies.
WRAS Approved: Yes, the valve is certified by the Water Regulations Advisory Scheme (WRAS), ensuring it meets high standards for water supply safety and quality in the UK.
Function: Allows users to shut off the water supply to an individual appliance for maintenance or repair without turning off the entire household water system.
"Light Pattern": This term indicates a light body construction, common for standard domestic isolation valves. 
The valve is suitable for both domestic and commercial applications and is designed to provide a secure and leak-free connection.