Design Guide
1–800–944–2904 | bosch-home.com/us
Ventilation — 800 Series Downdraft Hoods
Downdraft Hoods Flexible Blower Installation | 800 Series | Ventilation | 149
800 Series Downdraft Hoods
Flexible Blower Installation – Front Exhaust with Flexible Blower Used
as an Inline Option Example
148 | Ventilation | 800 Series | Downdraft Hoods Flexible Blower Installation
Application
• Side exhaust with flexible blower used as inline option if ducting
is more convenient with this configuration
• Requires at least 18" of clearance to fit the blower and transition
• Blower must be accessible for maintenance
• Elbow, ductwork, blower support structure frame not included
DHG602DUC
600 CFM Flexible Integral
Blower
600 CFM flexible blower can
mount to downdraft or be
used as an inline blower, and
can be rotated to exhaust
downward or to sides
Required Blower
Required Accessories
HDDFTRAN8
8" Round Front Plate for
Downdraft
8" Front rough-in plate
enable ducting to be at front
of downdraft, for use with
inline and remote blower
applications
NOTE: HDDFTRAN8 front plate
required for front exhaust applications
with inline and remote blowers.
Optional Accessories
HDD0RSP
30" Gas Cooktop Seal Kit for Downdraft
30" gas cooktop seal kit required for
installation with 30" gas cooktops
HDD6RSP
36" Gas Cooktop Seal Kit for Downdraft
36" gas cooktop seal kit required for
installation with 36" gas cooktops
NOTE: Some applications may require deeper cabinets. Side and rear exhaust require at least 18" of clearance to fit the blower and / or ductwork. Refer to installation
instructions.
HDDSTRAN8
8" Side / Rear Transition
for Downdraft
8" Round transition
enable ducting to be
at sides or rear of
downdraft for flexible
configurations to
maximize your kitchen
design
NOTE: HDDSTRAN8 side /
rear transition required for
side or rear exhaust
applications with inline
and remote blowers.
800 Series Downdraft Hoods
Flexible Blower Installation – Front Exhaust Example
* For only front downward ducting applications, electrical panel must be remotely mounted. Electrical panel can still be remotely mounted in other exhaust configurations if
desired. Electrical panel interconnect cable length is 5-ft. long.
Application
• Flexible blower attached can rotate for left, right or downward
discharge
• Front downward application with flexible blower
• Requires space under floor line for ductwork*
• Can be used with optional Recirculation Kit, sold separately
• Elbow, ductwork, blower support structure frame not included
Required Blower
Optional Accessories
HDDREC5UC
Recirculation Kit for Downdraft
When ducting to the exterior is not
feasible, downdraft recirculation
kit allows filtered air to reenter
the kitchen while cooking
HDDFILTUC
Charcoal Filter Replacement for Recirculation
Kit for Downdraft
Maintain performance of Bosch downdraft
recirculation kit with timely replacement
of charcoal filter to capture and filter odors
HDD0RSP
30" Gas Cooktop Seal Kit for Downdraft
30" gas cooktop seal kit required for
installation with 30" gas cooktops
HDD6RSP
36" Gas Cooktop Seal Kit for Downdraft
36" gas cooktop seal kit required for
installation with 36" gas cooktops
DHG602DUC
600 CFM Flexible Integral
Blower
600 CFM flexible blower can
mount to downdraft or be
used as an inline blower, and
can be rotated to exhaust
downward or to sides