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The MI T M CORP AW-4070-0004 is a 16-ounce pump saver fluid formulated for pressure washer pump maintenance and winterization. It works by coating internal pump components with a protective layer that inhibits hard water mineral deposit buildup and lubricates seals and packings during storage. The fluid also provides freeze protection, guarding against cracked housings and damaged internal components in cold-weather conditions. It is used by pressure washer service technicians, equipment rental operators, and contractors who store gas or electric pressure washers seasonally or between extended job intervals.
This pump saver fluid is applied at the end of a pressure washer operating cycle or before equipment storage. It is suited for residential and light commercial pressure washers where standing water in the pump head poses a risk of mineral scaling or freeze damage. Each package contains 6 units of 16-ounce bottles, making it a practical stock item for service shops or supply houses handling seasonal equipment maintenance.
Designed as an OEM-style pump saver treatment for residential and light commercial pressure washer pumps requiring storage protection and mineral deposit prevention.
Application is performed by qualified equipment technicians or knowledgeable operators as part of a pressure washer shutdown or winterization procedure. Power down and disconnect the pressure washer from all power sources before servicing the pump. Follow the equipment manufacturer guidelines for introducing pump saver fluid through the inlet or outlet port. Dispose of any purged fluid in accordance with local regulations.
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