Maytag MDB4949SDM Dimension Guide

Maytag Dishwasher Dimension Guide - MDB4949SDM.
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Undercounter Dishwasher




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.



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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

If connecting dishwasher with direct wiring: Use flexible,
armored or nonmetallic, sheathed
copper wire with grounding wire
that meets the wiring
requirements for your home and local codes and
Use a UL Listed/CSA Approved strain relief.

If connecting dishwasher with a power supply cord: 
Use UL Listed power supply cord
kit (Part Number 4317824)
marked for use with dishwashers. 
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.

³⁄₈" O.D. copper tubing with compression fitting or

flexible braided water supply line (Part Number
W10278635RP). Use a 90° elbow with 

³⁄₄" hose connection

with rubber washer (Part Number W10574777). Do not
solder within 6" (15.2 cm) from water inlet valve. 


minimum plastic tubing is not recommended.
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 No.
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


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 to
connect to the waste tee or disposer inlet.

air gap