Dometic LS 100 upper fridge ventilation grille - set with frame and winter cover, black, 48 x 18 cm, for motorhome and caravan
- Black Dometic LS 100 upper ventilation grille for single-door absorption fridges in motorhomes and caravans. Set with frame, exhaust insert, fly screen and winter cover.
The Dometic LS 100 is an upper ventilation grille fitted in the outer wall of a motorhome or caravan, level with the back of an absorption fridge. Warm air from the condenser and exhaust gas from the gas burner leave through it. This version is black and suits dark side walls, wrapped vehicles and vans where other exterior parts are black too.

Key features
- Upper ventilation grille for single-door fridges
- Set: mounting frame, exhaust insert, grille with fly screen and winter cover
- Outer dimensions 479 x 185 mm, depth 45 mm
- Wall cut-out 451 x 156 mm
- Colour black
- Net weight 0.52 kg according to the manufacturer
What the LS 100 grille does
An absorption fridge releases heat through the condenser at the back of the unit. To cool efficiently, the air behind it has to be exchanged constantly. For single-door fridges Dometic specifies two grilles: LS 100 at the top and LS 200 at the bottom. The lower grille lets cool outside air in and the upper one lets warm air out as it naturally rises.
When heat builds up behind the fridge, it runs longer and uses more energy, whether on gas, 230 V or 12 V. A correctly chosen and unobstructed upper grille is one of the conditions for proper fridge operation on hot days.
The grilles also give access to the back of the fridge from outside. With the grille removed you can inspect and clean the burner and condenser area without taking the fridge out of the furniture.
How the set is built
The mounting frame sits in the wall cut-out and stays in place permanently. The grille with fly screen clips onto it and keeps insects, leaves and dirt out of the fridge recess.
The exhaust insert guides burner gases outside in the upper part of the grille. The winter cover goes over the grille in the cold months, when the fridge needs less ventilation, and limits cold air and snow getting into the recess.

Installation step by step
- Check the fridge manual for the position of the upper grille and the required distance from the condenser.
- Mark a 451 x 156 mm cut-out on the wall and make sure no cables or structural parts run there.
- Cut the opening and seal the edges of the wall material.
- Bed the mounting frame in the opening on a vehicle sealant and screw it in place.
- Fit the grille with fly screen and the exhaust insert.
- Put the winter cover on in winter and take it off before summer.
Scope of delivery
- Mounting frame
- Exhaust insert
- Grille with fly screen
- Winter cover
Choosing grilles for your fridge
Dometic gives a simple rule: single-door fridges need the LS 100 at the top and the LS 200 at the bottom. For double-door fridges and RML models the LS 300 is intended, usable both at the top and at the bottom. Always confirm the grille type and position in your fridge's installation manual.
Things to keep in mind
- Never cover or tape over the grille while the fridge is running, especially on gas.
- Fit the winter cover only in cold weather, as described in the fridge manual.
- Wall installation should be done by someone experienced in vehicle conversions, and the fridge gas system checked by an authorised service.
Care
Wash the grille now and then with water and a mild cleaner and check that the fly screen is not clogged with dust, insects or leaves. After winter, inspect the frame sealant so that water does not get into the vehicle wall.
Related products
- Dometic LS 100 ventilation grille set, white - the same upper grille in white
- Dometic LS 200 black lower ventilation grille - lower grille to pair with LS 100
- Dometic LS 200 white ventilation grilles - LS 200 lower grille in white
- Dometic LS 300 fridge ventilation grille - grille for double-door and RML fridges
- Dometic black winter cover for LS 100 and LS 200 grilles, 2 pcs - spare winter covers
- Black slider for Dometic LS ventilation grille - spare part for LS grilles
Technical data
| Parameter | Value |
|---|---|
| Brand | Dometic |
| Model | LS 100 |
| Position | upper grille |
| Use | single-door absorption fridges |
| Colour | black |
| Dimensions (W x H x D) | 479 x 185 x 45 mm |
| Wall cut-out | 451 x 156 mm |
| Net weight | 0.52 kg |
| Contents | frame, exhaust insert, grille with fly screen, winter cover |
| Matching lower grille | Dometic LS 200 |
Frequently asked questions
Is the LS 100 the upper or lower grille?
Upper. Dometic specifies LS 100 at the top and LS 200 at the bottom for single-door fridges.
Does the set include the lower grille?
No. The set contains one upper grille with frame, insert and winter cover. The LS 200 lower grille is sold separately.
What cut-out is needed?
The wall cut-out is 451 x 156 mm.
Does it fit a double-door fridge?
For double-door fridges and RML models Dometic specifies the LS 300 grille.
What is the winter cover for?
It limits cold air and snow entering the fridge recess in the cold months. Remove it in summer.
Manufacturer
Dometic Group AB, Hemvärnsgatan 15, 171 54 Solna, Sweden.










