Thetford's 94250 Gravity Water Hatch includes a 3/8" tank vent connection. The spout accepts either a 1-1/4" or 1-3/8" water fill hose. Its lock is "keyed alike ready" to match your entry door or other compartment locks. Impact and road salt resistant. The black finish is fade resistant, UV stable/colorfast, and paintable. Cutout Dimensions: 4-3/8" H x 3-1/8" W. Outside Dimensions: 6-1/4" H x 5" W. Collar Depth: 1". Total Depth: 2-3/4".
