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Non ASSE Approved

Model
Device Size
Spec Sheet
191

1/4" - 3/4"

Spec Sheet

251
1/4" - 1"

Spec Sheet

351

3/4" - 2"

Spec Sheet

ASSE 1060 Approved

Model
Device Size
Spec Sheet
191-APD

1/4" - 3/4"

Spec Sheet

232-APD
1/4" - 1"

Spec Sheet

271-APD
1/4" - 1"

Spec Sheet

322-APD

3/4" - 2"

Spec Sheet

371-APD

3/4" - 2"

Spec Sheet

45N-APD

2-1/2" - 6"

Spec Sheet

56N-APD

6" - 10"

Spec Sheet

65-APD

2-1/2" - 4"

Spec Sheet

78-APD

4" - 6"

Spec Sheet

98-APD

6" - 8"

Spec Sheet

112-APD

8" - 10"

Spec Sheet

Large Series Heater Specification

Model
Boxes Using This Heater 
Spec Sheet
HU500SS

45N-APD, 56N-APD, 65-APD & 78-APD

Spec Sheet

HU1000SS

98-APD & 112-APD

Spec Sheet