Delta Faucet R3070-MIXLF Cam Thermostatic Mixing Valve<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Regulating piston made from Engineered polymer.</li><li>Outlet flow reduced to a trickle in the event of a cold water supply failure.</li><li>Supplied with integral poppet style check valves on both inlets to prevent crossflow.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51NVbcVD3tL.jpg" noproxy>