Watlow Heater Catalog

Circulation Heaters 1 1/4 NPT SCREW PLUG

6 ⁄ in. Ref. (163.5 mm)

WATROD and FIREBAR Circulation Heaters

®

®

¾ in. NPT Inlet and Outlet

A Ref.

• WATROD or FIREBAR elements • Without thermostat • General purpose enclosure Application: Bunker C, Asphalt and #6 Fuel Oil N

1

C Ref.

WATCONNECT Part Number

½ in. NPT Drain

4 in. (102 mm)

Type J T/C

Type K T/C

# Circ.

Part Number

Ship Wt. lbs (kg)

“A” Dim. in. (mm)

“N” Dim. in. (mm)

“C” Dim. in. (mm)

Description Volts kW Ph

2 1 / 2 inch NPT Screw Plug (FIREBAR) 8 W/in 2 3 Steel Tank 3-Alloy 800 Elements (1.3 W/cm 2 ) 240 1.25 3 1 240 1.63 3 1 240 2.13 3 1 480 2.13 3 1

CBLNF15C22S C2-50 C2-92 CBLNF18C22S C2-50 C2-92 CBLNF23C22S C2-50 C2-92 CBLNF23C21S C2-43 C2-35 CBLNF28L22S C2-50 C2-92 CBLNF28L21S C2-43 C2-35 CBLNF33L22S C2-50 C2-92 CBLNF33L21S C2-43 C2-35 CBLNF44C22S C2-50 C2-92 CBLNF44C21S C2-43 C2-35 CBLNF54L22S C2-50 C2-92 CBLNF54L21S C2-43 C2-35 1 1 in. NPT Inlet and Outlet 7 ⁄ in. Ref. (182.6 mm) 3 ¾ in. (95 mm) N

22 (10) 34 3 / 4 (881) 22 1 / 2 (572) 16 1 / 2 (419) 23 (10) 34 3 / 4 (881) 22 1 / 2 (572) 16 1 / 2 (419) 31 (14) 34 3 / 4 (881) 22 1 / 2 (572) 16 1 / 2 (419) 31 (14) 34 3 / 4 (881) 22 1 / 2 (572) 16 1 / 2 (419) 34 (15) 44 3 / 4 (1135) 32 1 / 2 (826) 26 1 / 2 (673) 34 (15) 44 3 / 4 (1135) 32 1 / 2 (826) 26 1 / 2 (673) 35 (16) 44 3 / 4 (1135) 32 1 / 2 (826) 26 1 / 2 (673) 35 (16) 44 3 / 4 (1135) 32 1 / 2 (826) 26 1 / 2 (673) 11 ⁄ in. (284.2 mm)

1 1/4 NPT SCREW PLUG

6 ⁄ in. Ref. (163.5 mm)

240 2.63 3 1 480 2.63 3 1 240 3.19 3 1 480 3.19 3 1 240 4.25 3 1 480 4.25 3 1 240 5.38 3 1 480 5.38 3 1 ¾ in. NPT Inlet and Outlet A Ref.

2 1/2 NPT SCREW PLUG

44 (20) 57 1 / 4 (1453) 45 (1143) 39 44 (20) 57 1 / 4 (1453) 45 (1143) 39 A Ref.

(991) (991)

N

C

52 (24) 63 3 / 4 (1453) 51 1 / 2 (1308) 46 1 / 2 (1181) 52 (24) 63 3 / 4 (1453) 51 1 / 2 (1308) 46 1 / 2 (1181) 1 ¼ in. (32 mm)

3 inch - 150 lb ANSI Flange (WATROD) 8 W/in 2 3 Steel Tank 3-Steel Elements (1.3 W/cm 2 ) 240 2.0 3 1 480 2.0 3 1 240 3.0 3 1 480 3.0 3 1 ½ in. NPT Drain C Ref. 4 in. (102 mm)

4 ⁄ in. (125.4 mm)

Ref.

96 (44) 45 1 / 4 (1148) 32 1 / 2 (826) 26 1 / 2 (673) 96 (44) 45 1 / 4 (1148) 32 1 / 2 (826) 26 1 / 2 (673) ½ in. NPT Drain

CFMS733A12S C2-50 C2-92 CFMS733A13S C2-43 C2-35 CFMS748A12S C2-50 C2-92 CFMS748A13S C2-43 C2-35 ⁄ -16 UNC (Threads (4 Places)

5 ⁄ in. (142.9 mm)

107 (49) 57 3 / 4 (1465) 45 (1143) 39 107 (49) 57 3 / 4 (1465) 45 (1143) 39 3 ⁄ in. (79.4 mm)

(991) (991)

3 ¾ in. (95 mm)

4 ⁄ in. (111.1 mm)

3 Wired for 3-phase operation only

2 1 ⁄ 2 inch NPT Screw Plug

3 inch - 150 lb ANSI Flange

4 ⁄ in. (111.1 mm)

7 ⁄ in. Ref. (182.6 mm)

3"-150# FLANGE

2 1/2 NPT SCREW PLUG

11 ⁄ in. (284.2 mm)

½ in. NPT Drain

1 in. NPT Inlet and Outlet

7 ⁄ in. Ref. (195.3 mm)

11 ½ in. Ref. (292 mm)

A Ref.

N

C

1 in. NPT Inlet & Outlet

2

3

A Ref.

1 ¼ in. (32 mm)

N

C

1 ¼ in. (32 mm) (2 Places) 5 ⁄ in. Ref. (142.9 mm)

4 ⁄ in. (125.4 mm)

Ref.

⁄ -16 UNC (Threads (4 Places)

½ in. NPT Drain

5 ⁄ in. (142.9 mm)

⁄ -16 UNC (Threads (4 Places)

½ in. NPT Drain

3 ⁄ in. Dia. (79.4 mm) Ref.

3 ⁄ in. (79.4 mm)

4 ⁄ in. (111.1 mm)

4 ⁄ in. (111.1 mm)

3"-150# FLANGE

½ in. NPT Drain

351

7 ⁄ in. Ref. (195.3 mm)

11 ½ in. Ref.