Ideal for new homes, Bosch lockable recess boxes allow Highflow systems to be completely recessed, saving space and securing your investment. The lockable recess box can also be painted to suit the appearance of your home.

Bosch lockable recess boxes are only available for the Highflow range including the 17e, 21e and 26e.

Brick opening dimensions* (mm)

RBHF50L (17e & 21e) & RBHF26L (26e)

Height: 930
Width: 345
Depth: 145

*Minimum Dimensions