General description Our Black Caravan Fresh Water Pressure Regulator is designed to fit onto your motorhome, allowing water to flow into your water tank. The diaphragm design effectively prevents damage that can be caused by high-pressure systems, ensuring a safe and reliable water supply. Technical specifications Exterior Diameter: 14 CM Thread Diameter: 2 CM Depth: 12 CM Width: 6.5 CM Compatibility and accessories Compatible with RVs, motorhomes, caravans, and boats.