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The SHARKBITE/CASH ACME COMPT383838Z is a lead-free brass add-a-tee fitting designed to create an additional 3/8-inch OD compression outlet on an existing supply stop valve. The swivel nut threads directly onto the stop valve body, and the two male compression outlets accept standard 3/8-inch OD supply lines. This fitting eliminates the need to replace an existing stop valve when a second outlet is required. Licensed plumbers and experienced installers use this fitting in residential and light commercial plumbing applications where a single valve must serve two fixtures or appliances simultaneously.
This add-a-tee is used when an existing 3/8-inch OD female compression stop valve needs to supply two lines at the same outlet point — for example, a toilet and a bidet, or a faucet supply and an ice maker line. The fitting attaches to any standard supply stop valve with a 3/8-inch OD female compression inlet. Lead-free brass construction meets potable water safety requirements for drinking water systems.
Designed for use with standard supply stop valves featuring a 3/8-inch OD female compression outlet. Accepts standard 3/8-inch OD compression supply lines on both male outlets.
Installation is performed by a licensed plumber or qualified installer. Shut off the water supply and relieve line pressure before removing any supply line or fitting from the stop valve. Hand-tighten the swivel nut onto the stop valve, then snug with wrenches — avoid overtightening brass compression fittings, which can crack the ferrule or fitting body. Verify compliance with local plumbing code (IPC or applicable local amendments) before adding a tee to an existing stop valve in a potable water system.
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