QMark Catalog 2024-2025

GUX SERIES Explosion-Proof Unit Heater

HAZARDOUS ENVIRONMENT

PRODUCTS MARLEY CUSTOM CAPABILITIES

Models & Specifications:

Dimensions and Clearances:

ITEM INFORMATION

ELECTRICAL DATA

MAX AMPS

CATALOG NO.

UPC

VOLTS PHASE WATTS

BTU/HR

CFM SHIP WT.

GUX300812

68536034706

208

1

3

10,236

16.7

700

135 lbs

●

GUX300832

68536034775

208

3

3

10,236

9.7

700

135 lbs

●

GUX300412

68536034485

240

1

3

10,236

14.8

700

135 lbs

●

GUX300432

68536034527

240

3

3

10,236

8.6

700

135 lbs

●

GUX3004832

68536034584

480

3

3

10,236

4.3

700

135 lbs

●

GUX300632

68536034683

600

3

3

10,236

3.6

700

135 lbs

●

GUX500812

68536035031

208

1

5

17,060

26.3

700

135 lbs

●

GUX500832

68536035086

208

3

5

17,060

15.3

700

135 lbs

●

GUX500412

68536034812

240

1

5

17,060

23.1

700

135 lbs

●

GUX500432

68536034867

240

3

5

17,060

13.5

700

135 lbs

●

GUX5004832

68536034911

480

3

5

17,060

6.8

700

135 lbs

●

GUX500632

68536035017

600

3

5

17,060

5.6

700

135 lbs

●

GUX750812

68536035307

208

1

7.5

25,590

38.4

840

135 lbs

●

GUX750832

68536035321

208

3

7.5

25,590

22.2

840

135 lbs

●

GUX750412

68536035130

240

1

7.5

25,590

33.6

840

135 lbs

●

GUX750432

68536035178

240

3

7.5

25,590

19.4

840

135 lbs

●

GUX7504832

68536035215

480

3

7.5

25,590

9.7

840

135 lbs

●

GUX750632

68536035284

600

3

7.5

25,590

8.1

840

135 lbs

●

GUX1000832

68536034041

208

3

10

34,120

29.2

840 140 lbs

●

GUX1000412

68536033877

240

1

10

34,120

44.5

840 140 lbs

●

GUX1000432

68536033907

240

3

10

34,120

25.5

840 140 lbs

●

GUX10004832 68536033969

480

3

10

34,120

12.7

840 140 lbs

●

GUX1000632

68536034027

600

3

10

34,120

10.6

840 140 lbs

●

GUX1500832

68536034201

208

3

15

51,180

43

1450 160 lbs

●

GUX1500432

68536034089

240

3

15

51,180

37.5

1450 160 lbs

UNIT SIZE

●

3–10kW 15–20kW 25–30kW

GUX15004832 68536034119

480

3

15

51,180

18.7

1450 160 lbs

●

19 1/8 " 486 mm 23 7/8 " 606 mm 21" 533 mm 3 1/5 " 89 mm 13 5/8 " 346 mm

32 1/8 " 816 mm 31 7/8 " 810 mm 21 3/4 " 552 mm 5 1/2 " 140 mm 21 5/8 " 549 mm

25" 635 mm 27 7/8 " 708 mm 21" 533 mm 4 13/32 " 112 mm 17 5/8 " 448 mm

GUX1500632

68536034188

600

3

15

51,180

15.7

1450 160 lbs

●

A

GUX20004832 68536034270

480

3

20

68,240 24.8

1400 171 lbs

●

B

GUX2000632

68536034348

600

3

20

68,240 20.7

1400 171 lbs

●

GUX25004832 68536034362

480

3

25

85,300

31.1

2330 216 lbs

●

C

GUX2500632

68536034393

600

3

25

85,300

25.8

2330 216 lbs

●

GUX30004832 68536034409

480

3

30

102,360 37.1

2330 216 lbs

●

D

GUX3000632

68536034447

600

3

30

102,360 30.2

2330 216 lbs

●

E

SKU Legend: ◆ = Popular Products; ● = Extended Offering (Contact your local Marley Sales Representative for typically associated lead times) NOTE: Above models have built-in 24V control; optional 120V control is available (replace “2” suffix with “1” for 120V control). Includes element, motor, and transformer. All units with status “C” or “AS” are made-to-order and are non-returnable. Optional Accessories: Electrical**

Optional Accessories: Mechanical

SUFFIX DESCRIPTION

CATALOG NO.

UPC

DESCRIPTION

AM Automatic and Manual reset limits

GUXPM12

685360033792

Pole Mounting Bracket for units 3KW thru 10KW

T

Thermostat, 20°–80°F

GUXPM16

685360033808

Pole Mounting Bracket for units 15KW thru 20KW

L

Pilot Light (HEATER ON)

GUXPM18

685360033815

Pole Mounting Bracket for units 25KW thru 30KW

K

Pilot Light (LIMIT TRIPPED)

GUXWM12

685360033822 Wall Mounting Kit for units 3KW thru 10KW

S

Selector Switch (AUTO/FAN ONLY)

GUXWM16

685360033839 Wall Mounting Kit for units 15KW thru 20KW

GUXWM18

685360033846 Wall Mounting Kit for units 25KW thru 30KW

D

Disconnect Switch — 15 amp for heaters rated 12 amps or lower

GUXCM0

685360033785 Ceiling/Hang Mounting Kit for all Models

Disconnect Switch — 30 amp for heaters between 13-24 amps

Disconnect Switch — 60 amp for heaters 24 amps or higher

NOTE: Specify type of mounting bracket required at time of order entry.

1*

120 Volt Control Transformer

E

Artic Construction

*Change heater suffix “2” to “1” for this option. ** Factory Installed only

For more information visit MarleyMEP.com/Products/Hazardous-Environment

159 | HEP

rev: Jul 2022