QMark Catalog 2024-2025

QWD SERIES Washdown Corrosion-Resistant Unit Heater

HAZARDOUS ENVIRONMENT

PRODUCTS MARLEY CUSTOM CAPABILITIES

Models & Specifications:

ELECTRICAL DATA

CATALOG NO.

VOLTS

PHASE

WATTS

BTU/HR

MAX AMPS

BTU/HR

SHIP WT.

Optional Accessories (Factory-Installed Only):

QWD02112

120

1

2

6824

16.7

700

60

●

QWD02812

208

1

2

6824

9.6

700

60

●

Suffix

Description

QWD02212

240

1

2

6824

8.3

700

60

●

Thermostat

T

QWD03112

120

1

3

10236

25

700

60

●

Pilot Light

L

QWD03812

208

1

3

10236

14.4

700

60

●

Selector Switch

S

QWD03212

240

1

3

10236

12.5

700

60

●

Disconnect Switch

D

QWD03712

277

1

3

10236

10.8

700

60

●

Manual Reset

M

QWD03832

208

3

3

10236

8.3

700

60

●

Epoxy Coating

P

QWD03232

240

3

3

10236

7.2

700

60

●

NOTE:Monel elements are subject to longer lead times. Please contact factory for details. All units other than standard models are non-returnable. Dimensions and Clearances:

QWD03432

480

3

3

10236

3.6

700

60

●

QWD05812

208

1

5

17060

24

700

60

●

QWD05212

240

1

5

17060

20.8

700

60

●

QWD05712

277

1

5

17060

18.1

700

60

●

KW 2-10 A 13" B 19.5" C 18" D 19.5" KW 12.5–39.0 A 20" B 31" C 27" D 24.2"

QWD05412

480

1

5

17060

10.4

700

60

●

QWD05832

208

3

5

17060

13.9

700

60

●

QWD05232

240

3

5

17060

12

700

60

●

QWD05432

480

3

5

17060

6

700

60

●

QWD07812

208

1

7.5

25590

36.1

700

60

●

QWD07212

240

1

7.5

25590

31.3

700

60

●

QWD07712

277

1

7.5

25590

27.1

700

60

●

QWD07412

480

1

7.5

25590

15.6

700

60

●

QWD07832

208

3

7.5

25590

20.8

700

60

●

QWD07232

240

3

7.5

25590

18

700

60

●

QWD07432

480

3

7.5

25590

9

700

60

●

QWD10212

240

1

10

34120

41.7

1450

60

●

QWD10712

277

1

10

34120

36.1

1450

60

●

QWD10412

480

1

10

34120

20.8

1450

60

●

QWD10832

208

3

10

34120

27.8

1450

60

●

QWD10232

240

3

10

34120

24.1

1450

60

●

QWD10432

480

3

10

34120

12

1450

60

●

QWD12812

208

1

12.5

42650

60.1

1450

60

●

QWD12212

240

1

12.5

42650

52.1

1450

60

●

QWD12832

208

3

12.5

42650

34.7

1450

60

●

QWD12232

240

3

12.5

42650

30.1

1450

60

●

QWD12432

480

3

12.5

42650

15

1450

60

●

QWD15812

208

1

15

51180

72.1

2400

60

●

QWD15212

240

1

15

51180

62.5

2400

110

●

QWD15412

480

1

15

51180

31.3

2400

110

●

QWD15832

208

3

15

51180

41.6

2400

110

●

QWD15232

240

3

15

51180

36.1

2400

110

●

QWD15432

480

3

15

51180

18

2400

110

●

QWD20412

480

1

20

68240

41.7

2400

120

●

QWD20232

240

3

20

68240

48.1

2400

120

●

QWD20432

480

3

20

68240

24.1

2400

120

●

QWD25832

208

3

25

85300

69.4

2400

120

●

QWD25232

240

3

25

85300

60.1

2400

120

●

QWD25432

480

3

25

85300

30.1

2400

120

●

QWD30832

208

3

30

102360

83.3

2400

120

●

QWD30232

240

3

30

102360

72.2

2400

120

●

QWD30432

480

3

30

102360

36.1

2400

120

●

QWD39432

480

3

39

133068

46.9

2400

120

●

SKU Legend: ◆ = Popular Products; ● = Extended Offering (Contact your local Marley Sales Representative for typically associated lead times)

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

157 | HEP

rev: Jul 2022