Watlow Heater Catalog

Immersion Heaters

WATROD and FIREBAR Screw Plug Immersion Heaters

®

®

Application: Process Water • 2 1 / 2 inch NPT screw plug

General Purpose

¾ in. NPT Knockout

0.475 in. (12.1 mm) Dia. Elements

Thermowell

• WATROD elements • Without thermostat • General purpose enclosure

2 ½ in. (64 mm) Bundle

4 ⁄ in. Dia. (117.5 mm)

17

• Moisture/Explosion-Resistant enclosure (suitable for use in non-classified areas only) 2.50" WATROD

2 ⁄ in. (55.6 mm) Cold (Ref.)

4 ½ in. Dia. (114 mm)

"B"

Moisture/Explosion- Resistant

¾ in. NPT Hubs

0.475 in. (12.1 mm) Dia. Elements

Thermowell

2 ½ in. (64 mm) Bundle

18

5 ⁄ in. Dia. (136.5 mm)

2 ⁄ in. (55.6 mm) Cold (Ref.) "B"

4 ⁄ in. Dia. (119.1 mm)

WATCONNECT Part Number

WATCONNECT Part Number

“B” Dim.

Part Number

Ship Wt. lbs (kg)

Part Number 5

Ship Wt. lbs (kg)

Description Volts kW Ph

in.

(mm)

Type J T/C

Type K T/C

Type J T/C

Type K T/C

General Purpose Enclosure

Moisture/Explosion- Resistant Enclosure

48 W/in 2 304 SS Plug 3-Alloy 800 Elements (7.5 W/cm 2 )

120 3.0 1 9 3 / 8 (238.1) BLN79G1S 240 3.0 3 9 3 / 8 (238.1) BLN79G3S 480 3.0 3 9 3 / 8 (238.1) BLN79G5S 120 4.5 1 12 7 / 8 (327.0) BLN712R1S 240 4.5 3 12 7 / 8 (327.0) BLN712R3S 480 4.5 3 12 7 / 8 (327.0) BLN712R5S 240 6.0 3 17 3 / 8 (441.3) BLN717G3S 480 6.0 3 17 3 / 8 (441.3) BLN717G5S 240 7.5 3 19 7 / 8 (504.8) BLN719R3S 11 480 7.5 3 19 7 / 8 (504.8) BLN719R5S 11 240 9.0 3 24 7 / 8 (631.8) BLN724R3S 12 480 9.0 3 24 7 / 8 (631.8) BLN724R5S 12 240 12.0 3 32 3 / 8 (822.3) BLN732G3S 14 480 12.0 3 32 3 / 8 (822.3) BLN732G5S 14 240 15.0 3 39 7 / 8 (1012.8) BLN739R3S 15 480 15.0 3 39 7 / 8 (1012.8) BLN739R5S 15 240 18.0 3 47 3 / 8 (1203.3) BLN747G3S 17 480 18.0 3 47 3 / 8 (1203.3) BLN747G5S 17 6 6 6 7 7 7 9 9

C/F C/F BLN79G1C C2-50 C2-92 BLN79G3C C2-43 C2-35 BLN79G5C C/F C/F BLN712R1C C2-50 C2-92 BLN712R3C C2-43 C2-35 BLN712R5C C2-50 C2-92 BLN717G3C C2-43 C2-35 BLN717G5C C2-50 C2-92 BLN719R3C C2-43 C2-35 BLN719R5C C2-50 C2-92 BLN724R3C C2-43 C2-35 BLN724R5C C2-236 C2-214 BLN732G3C C2-43 C2-35 BLN732G5C C2-236 C2-214 BLN739R3C C2-43 C2-35 BLN739R5C C2-236 C2-214 BLN747G3C C2-43 C2-35 BLN747G5C

C/F C/F C3-94 C3-93 C3-116 C3-118 C/F C/F C3-94 C3-93 C3-116 C3-118 C3-94 C3-93 C3-116 C3-118 C3-94 C3-93 C3-116 C3-118 C3-94 C3-93 C3-116 C3-118 C3-114 C3-115 C3-116 C3-118 C3-114 C3-115 C3-116 C3-118 C3-114 C3-115 C3-116 C3-118

(3) (3) (3) (4) (4) (4) (4) (4) (5) (5) (6) (6) (7) (7) (7) (7) (8) (8)

9 (4) 9 (4) 9 (4) 10 (5) 10 (5) 10 (5) 12 (6) 12 (6) 14 (7) 14 (7) 15 (7) 15 (7) 17 (8) 17 (8) 18 (9) 18 (9) 20 (9) 20 (9)

C/F - Contact factory, go to www.watlow.com/en/contact-us

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. 5 No third party recognition

175