A genuine OEM bottom vent for Thetford absorption (“3-way”) refrigerators. Designed to ensure proper airflow and cooling performance from the lower section of your fridge. The black finish gives a clean, modern look for caravans or motorhomes.

For proper performance, Thetford absorption refrigerators require vents on the outside of the vehicle. This bottom vent works in conjunction with a matching upper vent to maintain safe and efficient cooling.

OEM Part Number: 63124627 (also referenced as 700-03738)

Kit Includes:

• 1 × bottom fridge vent frame (black finish)

• Fixing screws

Compatibility:

Suitable for Thetford N3, N4, N5 (and in some listings also N6) series absorption refrigerators only

Designed for lower / bottom wall installation

Specifications

Overall Dimensions (H × W): 186 mm × 483 mm

Cut-out Dimensions (H × W): approx. 154 mm × 449 mm

Colour: Black

Net Weight: ~ 0.5 kg

Fridge Capacity Suitability: up to   100 L

Position: Bottom / lower vent

Frequently Asked Questions

Q: What does this vent do?
It provides the lower airflow inlet (or exhaust, depending on fridge design) needed for absorption refrigerators. Together with a top vent, it gives sufficient airflow to enable safe combustion (if applicable) and proper cooling efficiency.

Q: Will this vent fit my fridge model?
Check your fridge series. If it’s a Thetford N3, N4, or N5 series (and possibly N6 in some cases), this vent is suitable for the bottom position. Also verify your current vent hole matches the cut-out dimensions ( 154 mm × 449 mm).

Q: What if I don’t use a lower vent or use the wrong vent size?
Ventilation issues may result in poor fridge cooling, overheating of refrigerator components, rough operation, or safety issues in gas absorption models. Always match both vent size and position per manufacturer specs.