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JENN-AIR

®

 DETAILED PLANNING DIMENSIONS

Product dimension, cutout and installation specifications are provided for planning purposes only. Before installing  
any product, be sure to verify cutout dimensions and electrical/gas connections as actual product dimensions may vary.

JENN-AIR

®

 DETAILED PLANNING DIMENSIONS

2 of 4

7778AdZw613

E*

L

N

P

O

F

D

e

A

B

B

M

v

v

C

J**

H

G

M

Side

Cabinet

C

K

I

E*

L

N

P

O

F

D

e

A

B

B

M

v

v

C

J**

H

G

M

Side

Cabinet

C

K

I

E*

L

N

P

O

F

D

e

A

B

B

M

v

v

C

J**

H

G

M

Side

Cabinet

C

K

I

30" JX3™ GAS DOWNDRAFT COOKTOP

JGD3430B – 30" x 18

3

8

" x 21

1

2

MODEL #

JGD3430B

in

cm

A

Width of combustible area above cooking 

surface (min.)

30

76.2

B

Width from cooktop to fixed wall or other 

combustible material (min.)

6

15.2

C

Width to center of vent opening option

8

1

2

21.6

D

Width to outer edge of outlet

10

25.4

E*

Height to bottom of uncovered wood or metal 

cabinet above cooking surface (min.)

30

76.2

F

Height to bottom of uncovered wood or metal 

cabinet (min.)

18

45.7

G

Height to center of vent opening option

16

40.6

H

Height to top edge of outlet (min.)

12

30.5

I

Height to top of gas installation area

6

15.2

J**

Depth to center of vent opening option

17

1

8

43.5

K

Depth of gas installation area

6

15.2

L

Depth of upper cabinet (recommended)

13

33.0

M

Depth from cutout to wall (min.)

2

5.1

N

Width of cutout

28

5

8

72.7

O

Depth of cutout

20

50.6

P

Depth from cutout to front of countertop

2

1

8

5.4

e

Recommended electrical access location 

g

Recommended gas supply line location

v

Recommended venting location –  

see pages 3-4 for ducting information

  * Dimension can be reduced by 6" (15.2 cm) when bottom of wood or metal 

cabinet is covered by not less than 

1

4

" (0.6 cm) flame retardant millboard 

covered with not less than No. 28 MSG sheet metal, 0.015" (0.4 mm) stainless 
steel, 0.024" (0.6 mm) aluminum or 0.020" (0.5 mm) copper.

**Based on installation in a 24" deep (61.0 cm) base cabinet.

OPENING/CLEARANCE DIMENSIONS

FRONT VIEW

SIDE VIEW 

TOP VIEW

GAS REQUIREMENTS

Natural Gas

This cooktop is factory-set for use with natural gas.

LP Gas Conversion

Conversion must be done by a qualified service technician. To convert to LP gas, use 

the LP gas conversion kit provided with the cooktop.

ELECTRICAL REQUIREMENTS

120 volt, 60 Hz, AC only, 15-amp fused, electrical circuit is required. A time-delay 

fuse or dedicated circuit is recommended.

VENTING REQUIREMENTS

This cooktop must be exhausted outdoors unless using the duct-free filter kit 

(JDA7000WX). Refer to kit instructions for further information.

LOCATION REQUIREMENTS

•  To ensure cooktop base clearance, cabinet side walls need to be wider than the cutout. 
•  A minimum clearance of 2" (5.1 cm) is recommended between the blower motor and 

cabinet for proper cooling. A 6" (15.2 cm) clearance is recommended for servicing access.

• An under counter built-in oven cannot be installed under this cooktop.

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