Marine Technologies Group LLC has designed a Quick Flush Valve system to help our customers maintain, winterize and protect their boat engines. Once installed, our patented Marine Technologies Group Quick Flush Vale system allows owners to quickly flush their engines of harmful salt and sediment with out the need for tools or expensive labor. Additionally, at the end of the boating season customers will be able to quickly winterize their engines (by themselves) for storage without the need to pay for expensive labor. Lastly, the Marine Technologies Group Quick Flush Valve system can act as an emergency bilge pump by using the engines cooling system as a pump to remove water taken on board. Boat Winterization.