RV Winterize Blowout Adapter – Quick Connect, Ball Valve & Garden Hose Thread
Winterize your RV water system quickly and cleanly with this purpose-built blowout adapter. Featuring a 1/4-inch quick connect plug, 3/4-inch garden hose thread, and an integrated ball valve for precise water flow control — available in male, female, or male-and-female combo configurations.
1/4" Quick Connect Plug
Attaches directly to your air compressor's 1/4-inch quick connect fitting for fast, tool-free hookup. Blow out water lines in minutes to prevent freeze damage over winter.
3/4" Garden Hose Thread
Standard 3/4-inch garden hose threading ensures compatibility with most RV water inlets, hose bibs, and common garden hose connections.
Ball Valve Flow Control
Integrated ball valve lets you control water flow precisely during the winterization process — open, close, or throttle flow without removing the adapter.
Three Configuration Options
Choose the right fit for your setup: Male only, Female only, or Male-and-Female combo for maximum versatility across different RV water system connections.
Specifications
| Quick Connect Size |
1/4" (air compressor standard) |
| Hose Thread |
3/4" garden hose thread |
| Valve |
Ball valve (included) |
| Variants |
Male / Female / Male & Female combo |
| Battery Required |
No |
Ideal For
RV owners, camper van enthusiasts, and seasonal travelers who need to winterize their water lines before cold weather sets in. Also useful for flushing and purging water systems during maintenance.
