A cracked RV roof-vent lid can often be replaced without replacing the complete vent. MAXXAIR's UNIMAXX kits provide a universal-style replacement dome and hinge arrangement designed for many Elixir, Heng's, Jensen and Ventline vent housings. Choose the colour, then inspect your existing crank operator, roof flange and vent-cover clearance before installing.

See the exact replacement lids

White and smoke versions

MAXXAIR part number Lid colour What the kit replaces
00-335001 White Damaged exterior vent lid and associated hinge connection on a suitable crank-operated roof-vent assembly
00-335002 Smoke Same universal replacement design with a smoke-coloured exterior lid

Both are replacement-lid kits, not complete roof vents, powered fan assemblies or exterior rain covers. A universal design reduces dependence on the old hinge style, but the existing roof housing and hand-crank linkage still must be suitable for the installation shown in the instructions.

Factory kit contents

Component Number supplied What it does
Universal replacement lid 1 The new roof-vent dome
Universal hinge 1 Attaches the new lid to the existing vent frame
Lift-arm slide / clip 1 Connects the original lift arm to the new lid's T-bar track
Screws 4 Fasten the hinge at the roof-vent flange
Flat washers / lock washers / nuts 4 of each Secure the hinge fasteners from the inside
How the UNIMAXX lid attaches
Existing vent housing

The roof-mounted flange and its seal remain in place if sound.

Universal hinge

Positioned against the housing and fastened using the new screws and washers.

Replacement dome

Connected to the universal hinge and seated against the original perimeter gasket.

Lift-arm clip

Links the old crank-operated lift arm to the lid track so it opens and closes correctly.

Before starting

  1. Open the existing vent and remove the interior garnish, crank handle and screen frame as shown by MAXXAIR.
  2. Inspect the existing lift operator and roof-flange condition. The kit is not a replacement for a damaged operator or rotten roof structure.
  3. Check that the universal hinge has a sound mounting area and will clear any existing vent rain cover. The instructions specify a 3/16-inch drill bit for the hinge mounting holes.
  4. Use the manufacturer's fastener arrangement and seal previously unused roof holes properly. Reconnect the lift arm, then test opening and closing before finishing.

Manufacturer installation drawings

The factory instructions illustrate the lid, hinge, screws, roof-flange positioning and lift-arm clip. The diagram below shows the hinge connection and mounting sequence.

UNIMAXX universal hinge and mounting — factory drawing

Open the manufacturer PDF directly if the diagram does not display on your phone.

For the lift-arm slide/clip connection, open drawing page 4. This model-specific drawing is also useful when an older Ventline Ventadome slide differs from the universal clip.

Looking for a protective rain cover rather than a replacement lid? Compare the MAXXAIR I+ and II covers or the FanMate parts guide.

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