Heater Catalog - Watlow

(163.5 mm)67⁄16 in. Ref.(163.5 mm)Circulation HeatersBB¾ in.NPT Inletand Outlet ¾ in.NPT Inletand OutletA Ref.A Ref.WATROD and FIREBARCirculation HeatersApplication: Bunker C, Asphalt and #6 Fuel Oil• WATROD or FIREBAR elements• Without thermostat• General purpose enclosureC Ref.C Ref.½ in.4 in. NPT ½ in.(1024 mm) in. Drain NPTmm) Drain3¾ in.(953¾ mm) in.(95 mm)®®# PartShip Wt. “A” Dim. “B” Dim. “C” Dim. 2 1 ⁄2 inch NPT Screw PlugDescription Volts kW Ph Circ. Number Del. lbs (kg) in. (mm) in. (mm) in. (mm)2 1 /2 inch NPT Screw Plug (FIREBAR)73⁄16 in. Ref.8 W/in 2 3 240 1.25 3 1 CBLNF15C22S M 22 (10) 34 3 2/4 (881) 22 1 1/2 NPT/2 (572) 16 1 (182.6 73⁄16 mm) in. Ref.SCREW 2 PLUG 1/2 NPT /2 (419)113⁄16 in.(182.6 mm)Steel Tank240 1.63 3 1 CBLNF18C22S M 23 (10) 34 3 /4 (881) 22 1 /2 (572) 16 1 (284.2 113⁄16 mm) in.SCREW PLUG/2 (419)(284.2 mm)3-Alloy 800Elements240 2.13 3 1 CBLNF23C22S M 31 (14) 34 3 /4 (881) 22 1 /2 (572) 16 1 1 in./2 (419) NPT 1 Inlet in.(1.3 W/cm 2 ) 480 2.13 3 1 CBLNF23C21S M 31 (14) 34 3 /4 (881) 22 1 /2 (572) 16 1 and NPT Outlet Inlet/2 (419)and Outlet240 2.63 3 1 CBLNF28L22S M 34 (15) 44 3 /4 (1135) 32 1 /2(1129) 26 1 /2 (673)A Ref.480 2.63 3 1 CBLNF28L21S M 34 (15) 44 3 /4 (1135) 32 1 /2 (1129) 26 1 B/2 (673)CA Ref.B240 3.19 3 1 CBLNF33L22S M 35 (16) 44 3 /4 (1135) 32 1 /2 (1129) 26 1 C/2 (673)480 3.19 3 1 CBLNF33L21S M 35 (16) 44 3 /4 (1135) 32 1 /2 (1129) 26 1 1¼ in./2 (673)(321¼ mm) in.240 4.25 3 1 CBLNF44C22S M 44 (20) 57 1 (32 mm)/4 (1453) 45 (1143) 39 (991)480 4.25 3 1 CBLNF44C21S M 44 (20) 57 1 /4 (1453) 45 (1143) 39 (991) 415⁄16 in.240 5.38 3 1 CBLNF54L22S M 52 (24) 63 3 /4 (1453) 51 1 /2(1308) 46 1 /2 (1181) (125.4 415⁄16 mm)in.(125.4 mm) Ref.480 5.38 3 1 CBLNF54L21S M 52 (24) 63 3 /4 (1453) 51 1 /2(1308) 46 1 Ref./2 (1181)½ in.NPT½Drainin.3⁄8-16 UNC 55⁄8 in. NPT Drain3⁄8-16 UNC 55⁄8 in.(Threads (142.9 mm)(Threads (142.9 mm)3 inch - 150 lb ANSI Flange (WATROD)(4 Places)(4 Places)31⁄88 W/in 2 3 240 2.0 3 1 CFMS733A12S M 96 (44) 45 1 /4 (1148) 32 1 /2 (826) 26 1 31⁄8 in.in./2 (673)(79.4(79.4mm)mm)Steel Tank 480 2.0 3 1 CFMS733A13S M 96 (44) 45 1 /4 (1148) 32 1 /2 (826) 26 1 /2 (673)3-Steel240 3.0 3 1 CFMS748A12S M 107 (49) 57Elements3 43⁄8 in./4 (1465) 45 (1143) 39 (991)43⁄8 in.(111.1 (111.1 mm) mm)(1.3 W/cm 2 ) 480 3.0 3 1 CFMS748A13S M 107 (49) 57 3 /4 (1465) 45 (1143) 39 (991)3 inch - 150 lb ANSI Flange• M - Manufacturing lead times3 Wired for 3-phase operation only43⁄8 43⁄8 in. in.(111.1 mm)3"-150#(111.1 mm)Truck Shipment 3"-150# onlyFLANGE FLANGE½ ½ in. in.NPT NPT Drain711⁄16 711⁄16 in. in. Ref. Ref.(195.3 (195.3 mm) mm)1 in. 1 in.NPT NPT Inlet InletA Ref. A Ref. & Outlet & OutletB B3⁄8-16 3⁄8-16 UNC UNC(Threads (Threads(4 Places) (4 Places)31⁄8 31⁄8 in. in. Dia. Dia.(79.4 (79.4 mm) mm) Ref. Ref.11½ 11½ in. in. Ref. Ref.(292 (292 mm)CC1¼ 1¼ in. in.(32 (32 mm) mm)(2 (2 Places)55⁄8 55⁄8 in. in. Ref. Ref.(142.9 (142.9 mm) mm)½ ½ in. in.NPT NPTDrain DrainWATLOW ®371