Watlow Heater Catalog

Immersion Heaters

WATROD and FIREBAR Screw Plug Immersion Heaters

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®

Application: Process Water • 1 1 / 4 inch NPT screw plug • FIREBAR elements • With thermostat (DPST), Type 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. • General purpose enclosure • Moisture/Explosion-Resistant enclosure (suitable for use in non-classified areas only) 1.25" FIREBAR 1.25" FIREBAR

General Purpose

¾ in. NPT Knockout

Thermowell

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"

Moisture/Explosion- Resistant

1 ½ in. NPT Hubs

Thermowell

1 in. (25 mm) FIREBAR Element

1 ⁄ in. (34.9 mm) Bundle

7 ⁄ in. Dia. (193.7 mm)

12

3 ⁄ in. (98.4 mm) Cold (Ref.)

8 in. (203 mm)

"B"

Type 5A (60 to 250°F)

Type 7A (100 to 550°F)

WATCONNECT Part Number

WATCONNECT Part Number

“B” Dim. in. (mm)

Ship Wt. lbs (kg)

Part Number

Part Number

Description Volts kW Ph

Type J T/C

Type K T/C

Type J T/C

Type K T/C

General Purpose Enclosure

General Purpose Enclosure

45 W/in 2 8 304 SS Plug 1-Alloy 800 Element (7 W/cm 2 )

BDNF13A27S5A BDNF15J27S5A BDNF18A27S5A BDNF22J27S5A BDNF22J28S5A BDNF27J27S5A BDNF27J28S5A BDNF32J27S5A BDNF32J28S5A BDNF42A27S5A BDNF51J27S5A BDNF13A27C5A BDNF15J27C5A BDNF18A27C5A BDNF22J27C5A BDNF22J28C5A BDNF27J27C5A BDNF27J28C5A BDNF32J27C5A BDNF32J28C5A BDNF42A27C5A BDNF51J27C5A

C/F C/F BDNF13A27S7A C/F C/F BDNF15J27S7A C/F C/F BDNF18A27S7A C/F C/F BDNF22J27S7A C/F C/F BDNF22J28S7A C/F C/F BDNF27J27S7A C/F C/F BDNF27J28S7A C/F C/F BDNF32J27S7A C/F C/F BDNF32J28S7A C/F C/F BDNF42A27S7A C/F C/F BDNF51J27S7A C/F C/F BDNF13A27C7A C/F C/F BDNF15J27C7A C/F C/F BDNF18A27C7A C/F C/F BDNF22J27C7A C/F C/F BDNF22J28C7A C/F C/F BDNF27J27C7A C/F C/F BDNF27J28C7A C/F C/F BDNF32J27C7A C/F C/F BDNF32J28C7A C/F C/F BDNF42A27C7A C/F C/F BDNF51J27C7A Type K T/C

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 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

240 2.0 3 13

(330) 7 (4)

240 2.5 3 15 1 / 2 (394) 8 (4)

240 3.0 3 18

(457) 9 (4)

240 4.0 3 22 1 / 2 (572) 10 (5) 480 4.0 3 22 1 / 2 (572) 10 (5) 240 5.0 3 27 1 / 2 (699) 11 (5) 480 5.0 3 27 1 / 2 (699) 11 (5) 240 6.0 3 32 1 / 2 (826) 12 (6) 480 6.0 3 32 1 / 2 (826) 12 (6)

240 8.0 3 42

(1067) 14 (7)

240 10.0 3 51 1 / 2 (1308) 16 (8)

Type J T/C

Type J T/C

Type K T/C

Moisture/Explosion- Resistant Enclosure 5

Moisture/Explosion- Resistant Enclosure 5

45 W/in 2 8 304 SS Plug 1-Alloy 800 Element (7 W/cm 2 )

240 2.0 3 13

(330) 10 (5)

240 2.5 3 15 1 / 2 (394) 11 (5)

240 3.0 3 18

(457) 12 (6)

240 4.0 3 22 1 / 2 (572) 13 (6) 480 4.0 3 22 1 / 2 (572) 13 (6) 240 5.0 3 27 1 / 2 (699) 14 (7) 480 5.0 3 27 1 / 2 (699) 14 (7) 240 6.0 3 32 1 / 2 (826) 15 (7) 480 6.0 3 32 1 / 2 (826) 15 (7)

240 8.0 3 42

(1067) 17 (8)

240 10.0 3 51 1 / 2 (1308) 19 (9)

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 8 Can be wired for 1-phase operation

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

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