
HEKI 1, 3 and 4 Seal (No Ventilation)
HEKI 1, 3 and 4 Seal (No Ventilation) – High-Performance Rooflight Seal for Optimal Protection
The HEKI 1, 3 and 4 Seal (No Ventilation) is an essential replacement part for Dometic HEKI rooflights, offering superior weatherproofing and durability. If you’ve noticed leaks, drafts, or increased noise from your rooflight, this high-quality seal is the perfect solution to restore optimal performance.
Designed to fit HEKI 1, HEKI 3, and HEKI 4 rooflight models, the no ventilation version of this seal provides a tight, secure fit, ensuring that your caravan or motorhome remains dry and protected from the elements. Its strong rubber composition delivers excellent flexibility and resistance against UV rays, moisture, and temperature fluctuations, making it a reliable choice for both short and long-term travel.
Unlike the ventilated version, this seal is designed to offer a completely sealed environment, perfect for users who don’t require additional airflow through their rooflight. It ensures maximum insulation and weather resistance, reducing the risk of water ingress or wind noise. The rubber material also prevents rattling, ensuring a quieter and more comfortable ride, even in adverse weather conditions.
Installing the HEKI 1, 3, and 4 Seal (No Ventilation) is straightforward, allowing for a quick DIY fix without the need for professional help. Whether you’re replacing a worn seal or upgrading your rooflight for better performance, this product provides long-lasting protection and enhances your vehicle’s comfort and safety.
In summary, the HEKI 1, 3 and 4 Seal (No Ventilation) is an essential upgrade for anyone looking to improve the performance and longevity of their rooflight. With its superior weatherproofing and easy installation, it offers unbeatable value for caravan and motorhome owners.
Keywords: HEKI 1 3 4 rooflight seal, HEKI no ventilation seal, Dometic HEKI seal, caravan rooflight seal replacement, motorhome roof seal, HEKI 4 gasket, roof window seal.
Couldn't load pickup availability
Pickup available at Southwest Leisure Spares
Usually ready in 4 hoursPairs well with
All items come with full manufacturer guarantees for quality and performance
Shipping & Returns Policy
Returns Policy
If you're not completely satisfied with your order, you can return it to us within 14 days of receipt via Royal Mail. Though please note that we charge £5 for returns that are not faulty and the £5 will be deducted from your refund. Only damaged parts will have a full refund and return postage paid for.
To see our full Returns Policy click here
Shipping Methods & Rates
We ship to: United Kingdom, Guernsey, Jersey and Isle of Man
| Shipping Method | Cost | Delivery Time |
|---|---|---|
| Standard 48 Hour Tracked | £5.99 | 2 - 3 Business Days |
| Next Day Shipping* | £9.99 | 1 Business Day | In-store Pickup** | Free | 4 Hours | Medium Items, Panels Under 1 Meter , Bumper Corners & Pods - 48 Hour Tracked | £25 | 2 - 3 Business Days | Oversized and Heavy Items, Bumpers and Items over 1 Meter - 48 Hour Tracked | £50 | 2 - 3 Business Days |
**In-store Pickup times may vary and depend on our opening hours. Please wait until you have received confirmation your order is ready before travelling.
For shipping information regarding bespoke orders and products shipped directly from the supplier, please see below.

HEKI 1, 3 and 4 Seal (No Ventilation)

Fitting available at our NCC Approved Workshop
We supply genuine spare parts sourced directly from leading manufacturers, serving the caravan, motorhome, holiday park, leisure, and marine industries. Our close links with manufacturer technical teams give us access to hundreds of detailed diagrams, technical resources, and parts lists—ensuring you get the right component every time.
If your part requires professional fitting, our NCC Approved Workshop in Ilminster, Somerset is fully equipped to help. Simply get in touch to book an installation appointment, and our experienced technicians will ensure your parts are fitted safely, correctly, and in line with manufacturer specifications.
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
-
Free shipping
Free shipping on orders over £100. Dispatched within 2 days.
-
Help is on hand
We are here to assist you with any queries you may have about any product.
-
Drop us a message if you need further assisatance

