Flusso Faucets Universal Fixtures Deck Mount Diverter Valve in Rough BrassThe DKM. 2420 valve is a Deck Mounted Diverter valve. This product is usually installed on a tub deck and enables water diversion between two water sources such as a tub spout and a hand shower. The valve has a flow rate of 9. 0 GPM @ 60 PSI. The DKM. 2420 does not have shut off functionality. It is only a water diversion valve. It will pair with a handle set see *1280 series of deck mount holders with hand showers offered in the Isenberg product