John Guest 3/4" Stem x 1/2" Pipe Twist & Lock Speedfit Reducer

Note: A TSI20 Insert is required for heating applications (and recommended for plumbing applications) when making a connection to PEX. This insert is sold separately. NOTE: Size is STEM x CTS John Guest Speedfit Push-to-Connect Reducers are the easiest and most dependable way to reduce the diameter of another Speedfit fitting and join Copper, PEX, or CPVC pipe in any combination with no solder, glue, or tools required. Simply insert the stem end of the reducer into another Speedfit fitting to reduce its diameter. JG Speedfit fittings use a collet with stainless steel teeth that grips the pipe when fully inserted, and an EPDM O-Ring to provide a permanent, leak-proof seal. When twisted into place, the locking cap locks the pipe in place ensuring maximum security. Disconnection is just as easy with no tools needed; simply twist the cap counterclockwise to unlock then depress collet against the fitting to remove the pipe. JG Speedfit Twist-to-Lock fittings are suitable for hot and cold potable water and hydro...