Watlow Heater Catalog

Immersion Heaters

WATROD and FIREBAR Screw Plug Immersion Heaters

®

®

Application: Clean Water

¾ in. NPT Knockout

Thermowell

• 1 1 / 4 inch NPT screw plug • FIREBAR elements • With thermostat (DPST), Type 5A or 7A • General purpose enclosure 1.25" FIREBAR

1 in. (25 mm) FIREBAR Element

1 ⁄ in. (34.9 mm) Bundle

5 ½ in. Dia. (140 mm)

11

3 ⁄ in. (98.4 mm) Cold (Ref.)

6 ⁄ in. (161.9 mm)

"B"

1 ½ in. NPT Hubs

Type 5A (60 to 250°F)

Type 7A (100 to 550°F)

Thermowell

WATCONNECT Part Number

WATCONNECT Part Number 1 ⁄ in. (34.9 mm) Bundle C/F C/F C/F C/F C/F C/F C/F C/F C/F C/F C/F C/F C/F C/F C/F C/F C/F C/F C/F C/F C/F C/F Type J T/C Type K T/C

1 in. (25 mm) FIREBAR Element

“B” Dim. in. (mm)

Ship Wt. lbs (kg)

Part Number 7 ⁄ in. Dia. (193.7 mm)

Part Number

Description Volts kW Ph

1.25" FIREBAR

12

Type J T/C

Type K T/C

General Purpose Enclosure BDNF7R10S5A BDNF7R11S5A BDNF11G10S5A BDNF11G11S5A BDNF16G3S5A BDNF16G5S5A BDNF19G3S5A BDNF19G5S5A BDNF24L3S5A BDNF24L5S5A BDNF29R3S5A

General Purpose Enclosure

3 ⁄ in. (98.4 mm) Cold (Ref.)

240 1.5 1 7 5 / 8 (193.7) 6 (3) 480 1.5 1 7 5 / 8 (193.7) 6 (3) 240 3.0 1 11 1 / 8 (282.6) 7 (4) 480 3.0 1 11 1 / 8 (282.6) 7 (4) 240 5.0 3 16 1 / 8 (409.6) 8 (4) 480 5.0 3 16 1 / 8 (409.6) 8 (4) 240 6.5 3 19 1 / 8 (485.8) 9 (4) 480 6.5 3 19 1 / 8 (485.8) 9 (4) 240 8.5 3 24 3 / 8 (619.1) 10 (5) 480 8.5 3 24 3 / 8 (619.1) 10 (5) 240 10.5 3 29 5 / 8 (752.5) 11 (5)

90 W/in 2 8 304 SS Plug 1-Alloy 800 Element (14 W/cm 2 )

C/F C/F BDNF7R10S7A C/F C/F BDNF7R11S7A C/F C/F BDNF11G10S7A C/F C/F BDNF11G11S7A C/F C/F BDNF16G3S7A C/F C/F BDNF16G5S7A C/F C/F BDNF19G3S7A C/F C/F BDNF19G5S7A C/F C/F BDNF24L3S7A C/F C/F BDNF24L5S7A C/F C/F BDNF29R3S7A "B"

8 in. (203 mm)

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. 8 Can be wired for 1-phase operation

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

155