The Easy Start Unloader Plumbing Kit from Water Cannon Inc. - MWBE ensures water goes where it should and keeps excess water inside the pressure washer. The preassembled unit includes a brass valve body with a stainless steel ball and seat. It adjusts from 100 up to 5,650 maximum psi and has an easy-to-adjust ergonomic handle that features a tamper-resistant setting. The kit has two inlet and bypass ports and a built-in easy-start feature so the pump can start without static backpressure. It must be mounted in a vertical position. 800-333-9274; www.watercannon.com.