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Harwil L-21 Installation And Operating Instructions Manual

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MODEL L-21
INSTALLATION AND OPERATING INSTRUCTIONS
CABLE GROMMET 'A'
CABLE GROMMET 'AA'
CABLE GROMMET 'B'
CABLE GROMMET 'C'
COVER, INCLUDING O-RING
SEAL, RETAINING SCREWS
THREADED BODY COMPLETE,
INCLUDING SWITCH BRACKET
UP
FLOAT SHAFT
OR
FLOAT SHAFT
EXTENDED LENGTH
FLOAT UP
ULTRA RELIABLE SINCE 1956
HARWIL CORPORATION
541 KINETIC DRIVE, OXNARD, CA 93030
TEL: (805) 988-6800 FAX: (805) 988-6804
EMAIL: HARWIL@HARWIL.COM
STRAIN RELIEF NUT
½" INTERNAL THREADS FIT
STANDARD ½" ELECTRICAL
AND PLUMBING FITTINGS
'F' COVER
INTERNAL 15A MICROSWITCH
1¼" NPT THREAD
PIVOT SUPPORT
MAGNET HOUSING
10652-12-1 1.0" DIFF.
10652-12-2 2.0" DIFF.
10652-12-3 3.0" DIFF.
10652-12-5 5.0" DIFF.
FLOAT
FLOAT DOWN
P. 1

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Summary of Contents for Harwil L-21

  • Page 1 MODEL L-21 HARWIL CORPORATION 541 KINETIC DRIVE, OXNARD, CA 93030 TEL: (805) 988-6800 FAX: (805) 988-6804 EMAIL: HARWIL@HARWIL.COM INSTALLATION AND OPERATING INSTRUCTIONS STRAIN RELIEF NUT CABLE GROMMET 'A' CABLE GROMMET 'AA' CABLE GROMMET 'B' ½” INTERNAL THREADS FIT CABLE GROMMET 'C' STANDARD ½”...
  • Page 2 NOTE: Model L-21 can be supplied with 1½” x 1¼” or larger reducer bushings as required to fit existing large holes in a tank wall.
  • Page 3 MODEL L-21 HARWIL CORPORATION 541 KINETIC DRIVE, OXNARD, CA 93030 TEL: (805) 988-6800 FAX: (805) 988-6804 EMAIL: HARWIL@HARWIL.COM LOW LIQUID LEVEL ALARM HIGH LIQUID LEVEL ALARM Fig 1: Wiring schematic for power applied to load when Fig 2: Wiring schematic for power applied to load when...
  • Page 4 MODEL L-21 HARWIL CORPORATION 541 KINETIC DRIVE, OXNARD, CA 93030 TEL: (805) 988-6800 FAX: (805) 988-6804 EMAIL: HARWIL@HARWIL.COM 1, 2, 3, AND 5 INCH LINE REPLACEABLE DIFFERENTIAL FLOAT UNITS AVAILABLE AS SEPARATE ITEMS. P. 4 ULTRA RELIABLE SINCE 1956...
  • Page 5 MODEL L-21 HARWIL CORPORATION 541 KINETIC DRIVE, OXNARD, CA 93030 TEL: (805) 988-6800 FAX: (805) 988-6804 EMAIL: HARWIL@HARWIL.COM L-21N (Series 21300) PART NAME PART # PART NAME PART # STRAIN RELIEF NUT 60127 MAGNET HOUSING (ASSEMBLY ONLY) 21306 GROMMET 1.0” CERAMIC MAGNET (OPT)
  • Page 6 MODEL L-21 HARWIL CORPORATION 541 KINETIC DRIVE, OXNARD, CA 93030 TEL: (805) 988-6800 FAX: (805) 988-6804 EMAIL: HARWIL@HARWIL.COM L-21R (Series 21400) PART NAME PART # PART NAME PART # STRAIN RELIEF NUT - FORTRON 65301 MAGNET HOUSING (ASSEMBLY ONLY) 21403 GROMMET 1.0”...
  • Page 7 MODEL L-21 HARWIL CORPORATION 541 KINETIC DRIVE, OXNARD, CA 93030 TEL: (805) 988-6800 FAX: (805) 988-6804 EMAIL: HARWIL@HARWIL.COM L-21VCR (Series 21500) PART NAME PART # PART NAME PART # STRAIN RELIEF NUT - FORTRON 65301 MAGNET HOUSING (ASSEMBLY ONLY) 21403 GROMMET 1.0”...

  • Page 8: Certificate Of Conformance

    HARWIL shall incur no obligations hereunder and no liability in the event of (a) buyer not fulfilling its re- sponsibilities, including as set forth herein; (b) neglect, alteration or improper product use, including use with non-compatible devices or chemicals;...