US Hardware RV-200C Blow Out Plug

The US Hardware RV-200C Blow Out Plug is designed to completely clear excess water from fresh water plumbing systems before winterizing. Simply screw the plug directly onto the female hose inlet, open all drains and faucets, and attach an air pump to purge lines effectively. Equipped with a built-in Schrader valve, this durable plastic blow-out plug provides a reliable and hassle-free solution to protect RV and seasonal water systems from freezing damage during cold weather months.