Water Fills and Hatches

Other categories you may find useful for Water Fills and Hatches

Lippert Flow Max Water Pump 689052 12V - Side Angle View | United RV Parts
Water Pumps
Water Filters
Water Filters
Biscuit Valterra Catalina 4" RV Tub Diverter Faucet - Front View | United RV Parts
Faucets and Shower
Water Hoses and Accessories
Water Hoses and Accessories
White Flair-It 1/2" PEX Coupler 06840 - 3/4 Angle View | United RV Parts
RV Plumbing Fittings
Fresh Water RV Plumbing
Fresh Water RV Plumbing

Filter:

Price
The highest price is $689.99 Reset
$
$
Product Category
0 selected Reset
Manufacturer
0 selected Reset

37 products

B&B Molders Hot Water Tank Diverter Valve 94228 - Front View | United RV Parts
$99.99 $134.99
B&B Molders | Hot Water Tank Diverter Valve | 94228
Save $35.00
Black Plastic RV Vacuum Breaker Check Valve 94239 - Angled View | United RV Parts
$33.99 $69.99
B&B Molders | Vacuum Breaker/Check Valve | 94239
Save $36.00

Your RV's water fill inlet and hatch cover take more wear than most people expect. Repeated connections, exposure to the elements, and general campground use can leave them cracked, faded, or no longer sealing properly. A damaged hatch cover can allow moisture and road debris into the fill area, while a worn inlet can make connecting a water hose difficult or unreliable.

Replacing a water fill inlet or hatch cover is a straightforward repair that restores a clean, secure connection point for your fresh water supply. Our selection covers a range of styles, colors, and configurations to suit most RV exterior setups. Check your existing inlet size and hatch dimensions before ordering to confirm the correct fit for your RV.

What is an RV water inlet and when does it need replacing?

An RV water inlet (also called a fresh water fill or city water hatch) is the exterior port where you connect a hose to fill your fresh tank or run pressurized city water through the rig. Common replacement triggers are cracked housings, leaking check valves, broken hatch doors, and UV-damaged plastic flanges. If you see drips behind the sidewall or pressure loss at the connection, the inlet assembly is usually the culprit rather than the plumbing line itself.

How do I choose the right fresh water inlet for my camper?

Match three things: the cutout dimensions on your sidewall, the plumbing connection type on the back (1/2 inch MPT, barbed, or PEX), and whether you need a gravity fill, city water only, or a combo fill-and-city unit. Measure the existing hatch opening before ordering, and confirm whether your rig uses a recessed flange or a flush-mount style. For winter storage prep, pair the inlet with items from our RV winterizing kits to keep the check valve from freezing.

Can I install a water fill hatch myself?

Yes. Most water fills and hatches in this collection mount with four to six screws and a bead of butyl tape or Dicor sealant behind the flange. Shut off the pump, disconnect the supply line from the back of the old inlet, remove the screws, clean the sidewall, and reverse the steps with the new unit. Plan on 30 to 45 minutes for a straight swap. Call or text 817-984-1852 if you need help confirming the plumbing fitting on the back before you order.

What brands and styles are in the Water Fills and Hatches collection?

The 37 SKUs in this collection cover gravity fresh water fills, lockable city water inlets, combo fill-and-city assemblies, and replacement hatch doors and keys in white, black, and colonial white. Brands include Valterra, JR Products, and OEM-spec parts that fit common Keystone, Forest River, Jayco, and Thor sidewall cutouts. For related exterior service door hardware and electrical hookups, see our RV plug adapters collection.

Do water fills and hatches ship free?

Orders over $100 ship free within the contiguous US. Most water inlets and hatch assemblies are small enough to ship standard ground and arrive in 3 to 5 business days. Tracking is sent by email as soon as the label prints.