Flexible APK Air Ducting for Espar / Eberspacher and Webasto or other systems – 3.5 in (90 mm) diameter
Highest Quality Flexible APK air ducting designed for hot air distribution in diesel air heater systems. Suitable for marine, vehicle, campervan, RV, and truck heating installations using 3.5 in (90 mm) air outlets.
- If you require 3" (75mm) air ducting, it can be found here.
- If you require 2.36" (60mm) air ducting, it can be found here.
Selectable Lengths
This ducting is supplied in the selected length and can be cut to the required size during installation. Choose the closest length needed for your setup.
- 3.28 ft (1 meter)
- 9.84 ft (3 meters)
- 16.4 ft (5 meters)
Application
APK ducting is used to route heated air from the heater outlet to vents within the cabin. Its flexible construction allows it to be routed through tight spaces while maintaining reliable airflow and heat resistance.
Compatibility
- Duct diameter: 3.5 in (90 mm)
- Compatible with Espar / Eberspacher, Webasto and other air heater systems
- Suitable for marine, automotive, campervan, RV, and commercial vehicle installations
Key Features
- Flexible APK construction for easy routing
- Designed for hot air heater ducting applications
- Durable material suitable for continuous warm air flow
- Supplied in standard lengths and cut to size during installation
- Compatible with 90 mm heater outlets and air vents
Specifications
- Diameter: 3.5 in (90 mm)
- Available lengths: 3.28 ft, 9.84 ft, or 16.4 ft (1 m, 3 m, or 5 m) - other lengths are available, just leave a note on the checkout
- Type: Flexible hot air ducting (APK)
- Application: hot air distribution
Additional Accessories
- Secure using appropriate duct clamps (ordered separately here)
- For improved efficiency and reduced heat loss, insulation sleeves can be added. Click here to order them separately.
- You can use this ducting with Y splitters, like this one here
- 30-degree outlet grills can be found here
- Closeable outlet grills can be found here
Technical Specifications of the Flexible APK Air Ducting – 3.5 in / 90 mm
- Diameter:
- 90 mm (3.54 in)
- Parts type:
- Air ducting accessories
Included in the kit:
Flexible APK Air Ducting for Espar / Eberspacher and Webasto or other systems – 3.5 in (90 mm) diameter
Highest Quality Flexible APK air ducting designed for hot air distribution in diesel air heater systems. Suitable for marine, vehicle, campervan, RV, and truck heating installations using 3.5 in (90 mm) air outlets.
- If you require 3" (75mm) air ducting, it can be found here.
- If you require 2.36" (60mm) air ducting, it can be found here.
Selectable Lengths
This ducting is supplied in the selected length and can be cut to the required size during installation. Choose the closest length needed for your setup.
- 3.28 ft (1 meter)
- 9.84 ft (3 meters)
- 16.4 ft (5 meters)
Application
APK ducting is used to route heated air from the heater outlet to vents within the cabin. Its flexible construction allows it to be routed through tight spaces while maintaining reliable airflow and heat resistance.
Compatibility
- Duct diameter: 3.5 in (90 mm)
- Compatible with Espar / Eberspacher, Webasto and other air heater systems
- Suitable for marine, automotive, campervan, RV, and commercial vehicle installations
Key Features
- Flexible APK construction for easy routing
- Designed for hot air heater ducting applications
- Durable material suitable for continuous warm air flow
- Supplied in standard lengths and cut to size during installation
- Compatible with 90 mm heater outlets and air vents
Specifications
- Diameter: 3.5 in (90 mm)
- Available lengths: 3.28 ft, 9.84 ft, or 16.4 ft (1 m, 3 m, or 5 m) - other lengths are available, just leave a note on the checkout
- Type: Flexible hot air ducting (APK)
- Application: hot air distribution
Additional Accessories
- Secure using appropriate duct clamps (ordered separately here)
- For improved efficiency and reduced heat loss, insulation sleeves can be added. Click here to order them separately.
- You can use this ducting with Y splitters, like this one here
- 30-degree outlet grills can be found here
- Closeable outlet grills can be found here
Choosing Guide
Option Choosing Guide for this product is coming soon, please contact support@heatso.com if you need help picking the right options or have any questions.
Shipping
- United States - 1-5 Working Days
- United Kingdom - 2-5 Working Days
- European Union - 2-7 Working Days
- Australia / New Zealand - 5-14 Working Days
- Rest of World - 5-14 Working Days
There may be a delay if the order is shipped to a PO or parcel shop address. Please note, some couriers do not offer shipping to PO boxes.
View full shipping & Delivery information
Returns
You can return or exchange goods within 14 days from the date of purchase if the item is unused and brand new in unopened packaging. You must contact us before returning any goods, though. Additional deductions might be applied as indicated in the Returns section of our Terms and Conditions.
Warranty Information
Most heaters come with 2 year warranty + optional 1 year extended Warranty available
- Parts - 1 Year Warranty
- Refrigerators - 2 Year Warranty
- AC Systems - 1 Year Warranty
- Heavy duty heating equipment (10 kW+) - 1 Year Warranty
- Other items - 1 Year Warranty
Installation, servicing and maintenance must be done in accordance with manufacturers guidelines. Failure to follow these guidelines will result in voiding your warranty.
We provide free technical and installation support via email or phone to all of our customers who purchase a heater, heater kit or other products from Heatso. We take pride in our customer service and want to ensure that your heater system is properly installed. As a result, if you have any difficulties, please do not hesitate to contact us.
If you require removing and/or refitting your item, please visit a local professional or authorized specialist, if you can not find one you can contact us and we will try to recommend a local partner to assist with the task. The cost of removing and/or refitting this item is not covered by the warranty.
Customer reviews
-
Eberspacher and Webasto APK Ducting 90mm - 1 meter
The is good quality. But I was confused about the extra insulation. The website does not mention much about that.
-
Eberspacher D-5
Bought D-5 and all the parts for system. Works Great. Hasn't shut down for months. Great System
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Ducting pipe
installed easy and is working great
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Eberspacher and Webasto APK Ducting 90mm - 1 meter
The is good quality. But I was confused about the extra insulation. The website does not mention much about that.