Insects and nesting debris can enter an RV water heater's exterior vent while it is parked or stored. Valterra's stainless-steel bug screens cover the outside vent opening to help deter pests, but the shape and dimensions vary with the water heater and door style. The three screens below are different parts; match the exact vent design before ordering.
| Part number | Listed application | Screen dimensions |
|---|---|---|
| A10-1320VP | Atwood 6- and 10-gallon; Suburban 6-gallon heater vents | 5.9 × 8.5 × 1.3 in |
| A10-1321VP | Suburban 10-, 12- and 16-gallon heater vents | 7.4 × 9.75 × 1.6 in |
| A10-1323VP | Suburban 6-gallon flush-mount heater vents | 6.75 × 6.75 × 1.3 in |
The A10-1320VP is the version Valterra lists for Atwood 6- and 10-gallon heaters and Suburban 6-gallon heaters with the matching standard vent. The larger A10-1321VP is listed for Suburban 10-, 12- and 16-gallon heater vents. The A10-1323VP has a square profile for the Suburban 6-gallon flush-mount vent door. A standard Suburban 6-gallon vent and a flush-mount 6-gallon vent do not automatically use the same screen.
Compare the existing heater model, door, vent opening and actual dimensions. Capacity by itself is not enough to establish fitment across all heater generations and replacement doors.
Listed application: Atwood 6- and 10-gallon; Suburban 6-gallon heater vents. Screen dimensions: 5.9 × 8.5 × 1.3 in. Includes the stainless-steel screen, two spring fasteners and installation tool.
View A10-1320VP
Listed application: Suburban 10-, 12- and 16-gallon heater vents. Screen dimensions: 7.4 × 9.75 × 1.6 in. Includes the stainless-steel screen, two spring fasteners and installation tool.
View A10-1321VP
Listed application: Suburban 6-gallon flush-mount heater vents. Screen dimensions: 6.75 × 6.75 × 1.3 in. Includes the stainless-steel screen, two spring fasteners and installation tool.
View A10-1323VPEach of these Valterra kits contains one formed stainless-steel mesh screen, two spring fasteners and an installation tool. The spring fasteners secure the screen to the proper vent-door locations. The screen is an exterior protective accessory; it does not replace a burner component, exhaust vent or water-heater door.
Identify the heater's exterior vent opening and the original door style.
Position the correctly sized stainless cover over the vent opening.
Attach at the specified points using the supplied tool and instructions.
Check the installation and keep the mesh unobstructed.
This layout identifies parts, not a manufacturer exploded diagram. For Atwood installations, Valterra specifically directs the spring's crossbar end toward the door perimeter, rather than hooking it to the built-in screen.
For winterization of a tank-style water heater, see our Valterra 6- and 10-gallon water-heater bypass kit comparison. Bypass valves address the freshwater piping; vent screens protect the exterior appliance opening, so their purposes and installation requirements are separate.
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