B&B Molders' 3-inch round city-water fills serve the RV's pressurized freshwater connection. They share a 1½-inch circular wall cutout and 3-inch outside flange, but differ in check-valve material and flange colour. Match the entire inlet assembly, not just its outer cap.

Compare the four round city-water fills

Model Exterior colour Check-valve material Original OEM number
94214 Polar white Brass 301-005-00005
94215 Black Brass 301-005-00022
94216 Polar white Plastic 301-005-00007
94217 Black Plastic 301-005-00013

Identify the connection pieces

How the city-water fill connects
1. Exterior cap and flange

Protects the inlet at the RV sidewall; the flange covers the 1½-inch cutout.

2. Inlet check valve

Brass on 94214/94215, plastic on 94216/94217.

3. Interior threaded connection

½-inch male pipe thread connects to the RV's matching freshwater plumbing.

Component identification only—not a manufacturer exploded view or scaled installation drawing.

Valterra and other inlet parts may have different dimensions or thread arrangements. For these B&B units, the maker specifies a ½-inch male pipe thread and a valve depth of 1 11/16 inches. Check space behind the wall before removing the old fitting.

Separate replacement caps and valves

Existing assembly Factory-listed service component What is being replaced
94214, polar-white brass-valve fill 94206 White exterior dust plug
94215, black brass-valve fill 94207 Black exterior dust plug
94216, polar-white plastic-valve fill 94210 White plastic check-valve assembly
94217, black plastic-valve fill 94211 Black plastic check-valve assembly

The cap-only and valve-only products are not complete inlet replacements. Identify the old valve material and its connection before selecting a service part.

Compare exact-product photographs

94214 — Polar-white city-water fill with brass valve

B&B Molders 94214 Polar-white city-water fill with brass valve RV replacement product photograph

3-inch face, 1½-inch wall opening; brass check valve.

View 94214 product

94215 — Black city-water fill with brass valve

B&B Molders 94215 Black city-water fill with brass valve RV replacement product photograph

Black 3-inch flange with brass check valve.

View 94215 product

94216 — Polar-white city-water fill with plastic valve

B&B Molders 94216 Polar-white city-water fill with plastic valve RV replacement product photograph

3-inch face, 1½-inch opening; plastic check valve.

View 94216 product

94217 — Black city-water fill with plastic valve

B&B Molders 94217 Black city-water fill with plastic valve RV replacement product photograph

Black version with a plastic check valve.

View 94217 product

94206 — Polar-white city-water dust plug

B&B Molders 94206 Polar-white city-water dust plug RV replacement product photograph

Flexible white dust plug used with a compatible inlet.

View 94206 product

94210 — Polar-white plastic city-water check valve

B&B Molders 94210 Polar-white plastic city-water check valve RV replacement product photograph

Plastic ½-inch male pipe-thread check valve.

View 94210 product

94211 — Black plastic city-water check valve

B&B Molders 94211 Black plastic city-water check valve RV replacement product photograph

Black ½-inch male pipe-thread check valve.

View 94211 product

Before replacing a city-water inlet

  1. Measure the actual cutout in the RV wall and the 3-inch trim/flange area.
  2. Confirm whether the existing check valve is brass or plastic.
  3. Compare the ½-inch threaded connection and available cavity depth.
  4. Follow the RV manufacturer's water-system and sealing instructions; test the repaired connection for leaks.

Factory product reference

See the B&B Molders original parts catalog (PDF), printed page 8, for the manufacturer's component photographs, dimensions and replacement numbers.

If the RV has a recessed hatch with a locking door, use the keyed city-water hatch guide instead of choosing by the 3-inch round flange.

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