SC-77-K INABA DENKO trunking 90° vertical elbow (black)
€7.39 TTC
€6.11 HT
INABA DENKO SC-77-K black vertical 90° elbow for SLIMDUCT SD trunking systems and air conditioner and heat pump refrigerant piping. Perfect for 90° angles in modern interiors and technical installations.
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INABA DENKO SLIMDUCT Black SC-77-K 90° Vertical Elbow
The INABA DENKO SC-77-K 90° vertical elbow provides a neat transition for SLIMDUCT SD-77 lineset covers at internal and external vertical 90° corners. It allows air conditioning and heat pump service lines to remain concealed and protected as the decorative trunking changes direction.
Designed with a compact 81 × 67 mm profile, the elbow connects with SD-77 straight ducts to route insulated refrigerant pipes, condensate drain lines and electrical wiring around vertical corners. Its black finish creates a consistent appearance with matching SLIMDUCT trunking and fittings.
Manufactured from durable UV- and water-resistant PVC, the SC-77-K is suitable for indoor and outdoor HVAC installations. A screw-fixed cover provides secure assembly while allowing convenient access during installation.
INTERNAL AND EXTERNAL 90° CORNER INSTALLATION

The SC-77-K allows the SLIMDUCT SD-77 trunking system to follow internal or external vertical corners while maintaining a continuous protective cover around the enclosed refrigerant pipes, drainage and electrical wiring.
KEY FEATURES
- 90° vertical elbow for SLIMDUCT SD-77 and NSD-77 lineset covers
- Compact 81 × 67 mm profile
- Suitable for internal and external 90° vertical corners
- Routes refrigerant pipes, condensate drain lines and electrical wiring around corners
- Maintains a continuous decorative lineset cover through a 90° vertical turn
- Compatible with the INABA DENKO SLIMDUCT SD decorative trunking system
- Screw-fixed cover for secure installation (includes 2 stainless steel screws)
- Durable PVC construction
- UV-resistant and water-resistant
- Suitable for indoor and outdoor installation
- Colour: Black (RAL 9011)
- Operating temperature: −20 °C to +60 °C
- Compatible with INABA DENKO black colour-matched decorative screws for discreet fastening
DIMENSIONS

APPLICATIONS
The SC-77-K 90° duct bend is designed for residential and commercial air conditioning and heat pump installations where SLIMDUCT SD-77 trunking must change direction around a vertical 90° corner.
Suitable for façade details, wall transitions and similar changes in building surfaces. Used together with SD-77 straight ducts and compatible SLIMDUCT fittings, it creates a neat protective route for refrigerant pipework, condensate drainage and electrical services.
COLOUR-MATCHED DECORATIVE SCREWS
![]() | Optional INABA DENKO black decorative screws can be used for visible installations to make exposed fixings less noticeable against the black SLIMDUCT fitting and maintain a clean, uniform finish.Sold separately. |
MORE ABOUT SLIMDUCT SD
SLIMDUCT SD Trunking System Catalogue
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Optional INABA DENKO black decorative screws can be used for visible installations to make exposed fixings less noticeable against the black SLIMDUCT fitting and maintain a clean, uniform finish.

























