Fresh Water By-Pass Valve; Winterizing By-Pass (DVW-1-A)Fresh Water By Pass Valve; Winterizing By Pass; Use To Switch Water Source From Normal Fresh Water To An Antifreeze Source; With White Plastic Handle JR Products affordable, quality products and services for the RV industry while maintaining the highest professional and ethical standards. Used To: Switch Water Source From Normal Fresh Water To An Antifreeze Source Type: Winterizing By Pass Inlet Attachment: Male Threads Outlet Attachment: Male Threads