The Thetford Midi Prima 4 is a high-quality, built-in LPG oven and grill unit, designed to offer full-size cooking performance in a more compact, vertical format. Its sleek black finish and dual glass doors make it a stylish and functional addition to any modern narrowboat or motorhome galley.
Midi Prima 4: Performance and Capacity
This unit is specifically designed for users who require a dedicated baking and grilling station without an integrated hob.
- 37-Litre Capacity: Despite its slim profile, it offers a generous interior space, making it capable of roasting, baking, and grilling larger meals.
- Efficient Burners: Equipped with a 1.6 kW oven burner and a separate 1.6 kW grill burner (Total input 3.2 kW), providing rapid heat-up times and even heat distribution.
- Dual Glass Doors: Allows for easy monitoring of food without heat loss, while the high-grade black finish is durable and easy to wipe clean.
- 12V Electronic Ignition: Seamlessly integrates with the boat’s battery system for reliable lighting at the push of a button.
Professional Gas Safe Installation
The Midi Prima 4 is a built-in unit, meaning it requires precise cabinet housing and correct ventilation to prevent heat buildup behind the appliance. At Marine Heating Solutions, our Gas Safe Registered engineers are experts in Thetford Midi Prima 4 installations. We ensure the 5/16″ spigot connection is secure and that the installation complies with all Boat Safety Scheme (BSS) regulations.
Every installation is verified with an official Boat LPG Safety Certificate, ensuring your vessel remains safe and fully insured. For technical drawings or maintenance advice, visit the Thetford support page or the Gas Safe Register.

Thetford Midi Prima 4 Price:
£564.00
Specifications:
| Brand | Thetford |
| Connections Description | 5/16″ Spigot |
| Model | Midi Prima Mk4 |
| Colour | Black |
| Oven Burner | 1.6 kW |
| Height Description | 640 mm |
| Capacity Description | 37 Litres |
| Width | 495 mm |
| Depth | 460 mm |
| Weight | 16.5 kg |
| Material | Glass Doors |
| Gas Burners | N/A |
| Grill Burner | 1.6 kW |
| Ignition | 12 Volt |
| Knobs | Nickle |
| Total Input | 3.2 kW |


