Arrived on site, we had recently winterized swamp cooler for client. When we did, we accidentally left the water valve on the hose splitter to swamp cooler on. So when client went to use regular hose, water would spray out of swamp cooler connection. Client is unable to turn valve off based on position against wall. I loosened splitter adapter to be able to shut valve off for swamp cooler. Tightened adapter back on so client can use regular hose in mean time. Everything working properly. Client will have to loosen adapter to turn valve for swamp cooler on and off each year.