- New
RF845 is a Valterra fresh-water plumbing coupler designed to join two 1/2" inner-diameter hoses in an RV water system. It features a 1/2" barbed connection on each end and is suitable for repairing existing water lines or installing new sections of fresh-water plumbing. The fitting is made of polypropylene and is intended for compatible RV fresh-water applications. Hose clamps are required to secure the connections.