Perko Flush Pro Valve - 1" [0456DP6] Perko Sale! from $164.97 USD /per Flush Pro Valve - 1"Finally! Freshwater flushing of your inboard is as simple as connecting a garden hose.Features: Polymer Stainless Steel Spring Flush your boat engine safely and easily Transparent body allows for visual inspection of water flow Durable check valve system activated by water pressure from a garden hose Check valve automatically shuts off hull intake when water pressure is applied Adapter supplied with Flush Pro make winterizing your boat easy Can be used with on board generators Available for Standard 1" Hose Sizes Owner's Manual (pdf) Produc variants Default Title Qty. Add to Cart This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. Couldn't load pickup availability Refresh