Watlow Heater Catalog

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¾ in. NPT Knockout

0.475 in. (12.1 mm) Dia. Elements

Immersion Heaters

Thermowell

2 ¼ in. (57 mm) Bundle

5 ½ in. Dia. (140 mm)

2" WATROD

15

WATROD and FIREBAR Screw Plug Immersion Heaters 2" WATROD Application: Medium Weight Oils and Heat Transfer Oils • 2 inch NPT screw plug • WATROD elements • With thermostat (DPST), Type 4, 5A or 7A Note: Higher amperage products require a pilot duty thermostat with separate power controller. Please see following pages for available heaters without thermostats. 16

2 ⁄ in. (65.1 mm) Cold (Ref.)

6 ⁄ in. Dia. (168.3 mm)

"B"

1 ½ in. NPT Hubs

0.475 in. (12.1 mm) Dia. Elements

Thermowell

2 ¼ in. (57 mm) Bundle

7 ⁄ in. Dia. (193.7 mm)

2 ⁄ in. (65.1 mm) Cold (Ref.)

8 ⁄ in. Dia. (204.8 mm)

"B"

• Moisture/explosion-resistant enclosure (suitable for use in non-classified areas only)

Type 4 (30 to 110°F)

Type 5A (60 to 250°F)

Type 7A (100 to 550°F)

WATCONNECT Part Number

WATCONNECT Part Number

WATCONNECT Part Number

“B” Dim. in. (mm)

Ship Wt. lbs (kg)

Part Number

Part Number

Part Number

Description Volts kW Ph

Moisture/ Explosion- Resistant Enclosure 5

Moisture/ Explosion- Resistant Enclosure 5

Moisture/ Explosion- Resistant Enclosure 5

Type J T/C

Type K T/C

Type J T/C

Type K T/C

Type J T/C

Type K T/C

240 1.0 3 9 3 / 4 (248) 9 (4) BHN79N12C4 C/F C/F BHN79N12C5A C/F C/F BHN79N12C7A C/F C/F 480 1.0 3 9 3 / 4 (248) 9 (4) BHN79N13C4 C/F C/F BHN79N13C5A C/F C/F BHN79N13C7A C/F C/F 240 1.5 3 13 1 / 4 (337) 10 (5) BHN713E12C4 C/F C/F BHN713E12C5A C/F C/F BHN713E12C7A C/F C/F 480 1.5 3 13 1 / 4 (337) 10 (5) BHN713E13C4 C/F C/F BHN713E13C5A C/F C/F BHN713E13C7A C/F C/F 240 2.0 3 17 3 / 4 (451) 11 (5) BHN717N12C4 C/F C/F BHN717N12C5A C/F C/F BHN717N12C7A C/F C/F 480 2.0 3 17 3 / 4 (451) 11 (5) BHN717N13C4 C/F C/F BHN717N13C5A C/F C/F BHN717N13C7A C/F C/F 240 2.5 3 20 1 / 4 (514) 12 (6) BHN720E12C4 C/F C/F BHN720E12C5A C/F C/F BHN720E12C7A C/F C/F 480 2.5 3 20 1 / 4 (514) 12 (6) BHN720E13C4 C/F C/F BHN720E13C5A C/F C/F BHN720E13C7A C/F C/F 240 3.0 3 25 1 / 4 (641) 13 (6) BHN725E12C4 C/F C/F BHN725E12C5A C/F C/F BHN725E12C7A C/F C/F 480 3.0 3 25 1 / 4 (641) 13 (6) BHN725E13C4 C/F C/F BHN725E13C5A C/F C/F BHN725E13C7A C/F C/F 240 4.0 3 32 3 / 4 (832) 13 (6) BHN732N12C4 C/F C/F BHN732N12C5A C/F C/F BHN732N12C7A C/F C/F 480 4.0 3 32 3 / 4 (832) 13 (6) BHN732N13C4 C/F C/F BHN732N13C5A C/F C/F BHN732N13C7A C/F C/F 240 5.0 3 40 1 / 4 (1022) 14 (7) BHN740E12C4 C/F C/F BHN740E12C5A C/F C/F BHN740E12C7A C/F C/F 480 5.0 3 40 1 / 4 (1022) 14 (7) BHN740E13C4 C/F C/F BHN740E13C5A C/F C/F BHN740E13C7A C/F C/F 240 6.0 3 47 3 / 4 (1213) 15 (7) BHN747N12C4 C/F C/F BHN747N12C5A C/F C/F BHN747N12C7A C/F C/F 480 6.0 3 47 3 / 4 (1213) 15 (7) BHN747N13C4 C/F C/F BHN747N13C5A C/F C/F BHN747N13C7A C/F C/F 240 1.5 3 13 1 / 4 (337) 10 (5) BHSS13E3C4 C/F C/F BHSS13E3C5A C/F C/F BHSS13E3C7A C/F C/F 480 1.5 3 13 1 / 4 (337) 10 (5) BHSS13E13C4 C/F C/F BHSS13E13C5A C/F C/F BHSS13E13C7A C/F C/F 240 2.0 3 17 1 / 2 (445) 11 (5) BHSS17J3C4 C/F C/F BHSS17J3C5A C/F C/F BHSS17J3C7A C/F C/F 480 2.0 3 17 1 / 2 (445) 11 (5) BHSS17J5C4 C/F C/F BHSS17J5C5A C/F C/F BHSS17J5C7A C/F C/F 240 2.5 3 20 1 / 2 (521) 12 (6) BHSS20J3C4 C/F C/F BHSS20J3C5A C/F C/F BHSS20J3C7A C/F C/F 480 2.5 3 20 1 / 2 (521) 12 (6) BHSS20J5C4 C/F C/F BHSS20J5C5A C/F C/F BHSS20J5C7A C/F C/F 240 3.0 3 25 (635) 13 (6) BHSS25A3C4 C/F C/F BHSS25A3C5A C/F C/F BHSS25A3C7A C/F C/F 480 3.0 3 25 (635) 13 (6) BHSS25A5C4 C/F C/F BHSS25A5C5A C/F C/F BHSS25A5C7A C/F C/F 240 4.0 3 32 1 / 2 (826) 16 (8) BHSS32J3C4 C/F C/F BHSS32J3C5A C/F C/F BHSS32J3C7A C/F C/F 480 4.0 3 32 1 / 2 (826) 16 (8) BHSS32J5C4 C/F C/F BHSS32J5C5A C/F C/F BHSS32J5C7A C/F C/F 240 5.0 3 40 (1016) 17 (8) BHSS40A3C4 C/F C/F BHSS40A3C5A C/F C/F BHSS40A3C7A C/F C/F 480 5.0 3 40 (1016) 17 (8) BHSS40A5C4 C/F C/F BHSS40A5C5A C/F C/F BHSS40A5C7A C/F C/F 240 6.0 3 47 1 / 2 (1207) 17 (8) BHSS47J3C4 C/F C/F BHSS47J3C5A C/F C/F BHSS47J3C7A C/F C/F 480 6.0 3 47 1 / 2 (1207) 17 (8) BHSS47J5C4 C/F C/F BHSS47J5C5A C/F C/F BHSS47J5C7A C/F C/F 240 7.5 3 58 1 / 2 (1486) 20 (9) BHSS58J3C4 C/F C/F BHSS58J3C5A C/F C/F BHSS58J3C7A C/F C/F 240 9.0 3 69 3 / 4 (1772) 24 (11) BHSS69N3C4 C/F C/F BHSS69N3C5A C/F C/F BHSS69N3C7A C/F C/F

16 W/in 2 3 304 SS Plug 3-Alloy 800 Elements (2.5 W/cm 2 )

15 W/in 2 Steel Plug 3-Steel Elements (2.3 W/cm 2 )

Note: All screw plug bundles are designed to fit the inside diameter of the equivalent mating coupling. They will not fit into the equivalent pipe inside diameter.

3 Wired for 3-phase operation only 5 No third party recognition C/F - Contact factory, go to www.watlow.com/en/contact-us

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