Dimensions Guide

PRODUCT DIMENSIONS
Undercounter Dishwasher
PRODUCT MODEL NUMBERS
Because Whirlpool Corporation policy includes a continuous commitment to improve
our products, we reserve the right to change materials and specifications without notice.
Dimensions are for planning purposes only. For complete details, see Installation
Instructions packed with product. Specifications subject to change without notice.
Page 1 of 2
If connecting dishwasher with a power supply cord:
Use power supply cord kit (Part
Number 4317824) marked for use
with dishwashers. Follow the kit
instructions for installing the power supply cord.
Power supply cord must plug into a grounded
3 prong outlet located in the cabinet next to the
dishwasher opening. Outlet must meet all local
codes and ordinances.
Water Supply Requirements: A hot water line with 20 to
120 psi (138 to 862 kPa) water pressure. Water temperature
must be 120°F (49°C) water at dishwasher. Use
3
/
8
" O.D.
copper tubing with compression fitting or flexible braided
water supply line.
Note: " minimum plastic tubing is not recommended.
Use a 90° elbow with " hose connection with rubber
washer (Part Number W10273460). Do not solder
within 6" (15.2 cm) from water inlet valve.
Drain Requirements:A new drain hose is supplied with
your dishwasher. If this is not long enough, use a new
drain hose with a maximum length of 12' (3.7 m) (Part
Number 3385556) that meets all current AHAM/IAPMO
test standards, is resistant to heat and detergent, and
fits the 1" (2.5 cm) drain connector of the dishwasher.
Make sure to connect the drain hose to waste tee or disposer
inlet above drain trap in house plumbing and 20" (50.8 cm)
minimum
above the floor. It is recommended that the
drain hose either be looped
up and securely fastened to
the underside of the counter
or be connected to an air gap.
Make sure to use an air
gap
if the drain hose is
connected to house
plumbing lower than
20" (50.8 cm) above
subfloor or
floor.
Use
1
/
2
" (1.3
cm) minimum I.D. drain line fittings.
If required, the air
gap should be installed in accordance
with the air gap installation instructions. When connecting
the air
gap, a rubber hose (not provided) will be needed
toconnect to the waste tee or disposer inlet.
air gap
C
B. For panel-ready models, dishwasher
depth is 24" (60 cm) not including the
" (1.9 cm) custom door panel.
C. Door handles may protrude forward
of the face of the dishwasher; varies
by model.
A. Insulation may be compressed
(not used on all models).
3 " - 4 "
(8.8 cm - 10.6 cm)
For 4" (10 cm)
toekick, height of
cabinet opening is
34
1
/
2
" (86.3 cm).
24
"
(62.2 cm)
B
23
"
(60.6 cm)
"
(1.9 cm)
A
33
"
(85,1 cm)
min. with
wheels
removed
"
(9.4 cm)
21 "
(53.3 cm)
30"
(76.2 cm)
MDB4949SD MDB8959SF
MDB7949SD MDB8979SE
Electrical Requirements:120-volt, 60 Hz, AC-only,
15- or 20-amp. fused electrical supply. Copper wire only.
A time delay fuse or circuit breaker and separate circuit
is recommended.
If direct wiring dishwasher: Use flexible, armored
or nonmetallic, sheathed copper
wire with grounding wire that
meets the wiring requirements for
your home and local codes and ordinances.
Use a UL Listed or CSA Approved conduit connector.
W10741197A-D-MT
05/2016
MDB8979SF