The B&K (Mueller Industries) 993-004NL is a lead-free self-piercing saddle valve constructed from brass, designed for creating branch connections in plumbing systems. This valve allows for tapping into existing cold water supply lines, such as 3/8 inch to 1 inch outside diameter copper tubing, without requiring the pipe to be cut or drained. It features a self-piercing needle that punctures the main line to establish a flow path. The valve provides a 1/4 inch compression outlet, compatible with 1/4 inch outside diameter copper or poly tubing, and typically includes the necessary ferrules and inserts for installation. It is commonly used to supply water to appliances such as ice makers, humidifiers, and water filtration systems. This valve is rated for a maximum pressure of 125 PSI and an operational temperature range of 40°F to 160°F. It is compliant with UPC and ICC plumbing code requirements where applicable, and meets lead-free standards. The product is supplied bagge