Watlow Heater Catalog

Immersion Heaters

• 3 inch - 150 lb ANSI flange • WATROD elements • Without thermostat • General purpose or NEMA 4 enclosure • Single circuit Application: Clean Water 1 WATROD ANSI Flange Immersion Heaters

®

®

3"-150# FLANGE

General Purpose

¾ in. NPT Knockout

0.475 in. (12.1 mm) Dia. Element

Thermowell

4 ⁄ in. (117.5 mm)

2 ¾ in. O.D. (70 mm)

4 in. (102 mm) Cold (Ref.)

“B”

3 ⁄ in. Dia. (92.1 mm)

3"-150# FLANGE

(2) ¾ in. NPT Hubs

0.475 in. (12.1 mm) Dia. Element

NEMA 4 Enclosure

Thermowell

0.475 in. (12.1 mm) Dia. Elements

¾ in. NPT Hubs

5 ⁄ in. (136.5 mm)

Thermowell

2

2 ¾ in. O.D. (70 mm)

2 ¾ in. (70 mm) O .D.

5 ⁄ in. (136 mm)

4 in. (102 mm) Cold (Ref.)

3 ⁄ in. Dia. (79.4 mm)

“B”

4 in. (102 mm) Cold (Ref.)

3 ⁄ in. (101 mm)

“B”

¾ in. (19 mm) NPT Knockout

“B” Dim. in. (mm)

Ship Wt. lbs (kg)

Part Number

Part Number

WATCONNECT Part Number

Description Volts kW Ph

Immersion / 4-71

General Purpose Enclosure

NEMA 4 Enclosure

Type J T/C

Type K T/C

60 W/in 2 Steel Flange 3-Alloy 800 Elements (9.3 W/cm 2 )

120 6.0 1 15 1 / 2 (394) 22 (10) 240 6.0 3 15 1 / 2 (394) 22 (10) 480 6.0 1 15 1 / 2 (394) 22 (10) 480 6.0 3 15 1 / 2 (394) 22 (10) 120 9.0 1 21 1 / 2 (546) 25 (12) 240 9.0 3 21 1 / 2 (546) 25 (12) 480 9.0 1 21 1 / 2 (546) 25 (12) 480 9.0 3 21 1 / 2 (546) 25 (12)

FMN715J10S FMN715J10W C/F C/F

FMN715J3S

FMN715J3W C2-50 C2-92

FMN715J11S FMN715J11W C/F C/F

FMN715J5S

FMN715J5W C2-43 C2-35

FMN721J10S FMN721J10W C/F C/F

FMN721J3S

FMN721J3W C2-50 C2-92

FMN721J11S FMN721J11W C/F C/F

FMN721J5S FMN727A3S

FMN721J5W C2-43 C2-35 FMN727A3W C2-236 C2-214

240 12.0 3 27 480 12.0 1 27 480 12.0 3 27

(686) 27 (13) (686) 27 (13) (686) 27 (13)

FMN727A11S FMN727A11W C/F C/F

FMN727A5S FMN732J3S

FMN727A5W C2-43 C2-35 FMN732J3W C2-236 C2-214

240 15.0 3 32 1 / 2 (826) 28 (13) 480 15.0 1 32 1 / 2 (826) 28 (13) 480 15.0 3 32 1 / 2 (826) 28 (13)

FMN732J11S FMN732J11W C/F C/F

FMN732J5S FMN738A3S

FMN732J5W C2-43 C2-35 FMN738A3W C2-236 C2-236

240 18.0 3 38 480 18.0 1 38 480 18.0 3 38 480 25.0 1 51 480 25.0 3 51

(965) 30 (14) (965) 30 (14) (965) 30 (14) (1295) 34 (16) (1295) 34 (16)

FMN738A11S FMN738A11W C/F C/F

FMN738A5S

FMN738A5W C2-43 C2-35

FMN751A11S FMN751A11W C/F C/F

FMN751A5S

FMN751A5W C2-225 C2-226

480 30.0 1 60 1 / 2 (1537) 36 (17) 480 30.0 3 60 1 / 2 (1537) 36 (17)

FMN760J11S FMN760J11W C/F C/F

FMN760J5S

FMN760J5W C2-225 C2-226

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

Notes: • All flange bundles are designed to fit the inside diameter of the equivalent standard schedule pipe • For ANSI flange dimensions, reference chart on page 224

225