Moen T9342 Commercial Posi Temp Transfer All Metal Trim Kit 2.5 GPM (Valve Not Included), Chrome The positemp pressure-balancing control valve (sold separately) helps maintain water temperature in the shower Handheld shower includes integral double check valves for backflow protection 69" hose length 5 year limited warranty Posi-temp transfer valve not included.Connection size:1/2 inch