The 94248 Black Fresh Water Inlet by Thetford accommodates 1-1/4" or 1-3/8" water fill hoses and requires a 3-1/2" diameter cutout size. With a 4-3/4" outside diameter and 3/4" dish depth, this durable, UV and impact resistant unit is IAPMO/NSF/CSA/TEI certified and comes with an installation kit.
