Thetford 94222 Fresh Water Inlet, manufactured by B&B Molders, is designed for RV fresh water systems and connects to either 1-1/4 inch or 1-3/8 inch water fill hoses. With a cutout dimension of 3-3/4 inches in height and 6 inches in width, the exterior dimensions are 5-5/16 inches in height, 7-9/16 inches in width, and 2-1/2 inches in depth. It features a plastic check valve with 1/2 inch male pipe thread (MPT), UV and impact resistant construction, and is IAPMO/ NSF/ CSA/ TEI certified. Additionally, a 3/8 inch tank vent connection is included. This model is also a B&B cross reference 497-AB-2P-A.