Ernst Model Number Cross Reference

Usage Guidelines
Please Note:

  • Some Ernst Instrument products are comparable but not direct replacements.
  • Some Ernst Instruments items are alternates with the same form. fit and function, but not exact equals to all EFI items. Inquire if an exact equal is needed.
  • Certifications and other requirements, such as CRNs, inquire with Sales Team prior to placing Orders.

Hint: Use CTRL + F to quickly find the number you are cross-referencing!


Glass & Gaskets

Clear Flat Gauge Glass

    ERNST INSTRUMENTS
    SERIES #
    EFI - ERNST FLOW INDUSTRIES
    SERIES #
    JOHN C. ERNST CO
    PART NUMBERS
    NOTES
    G14-546CA-1, CA-2, CA-3, CA-4, CA-5, CA-6, CA-7, CA-8, CA-9546-1, 546-2, 546-3, 546-4, 546-5, 546-6, 546-7, 546-8, 546-9

Clear HP Flat Gauge Glass

    ERNST INSTRUMENTS
    SERIES #
    EFI - ERNST FLOW INDUSTRIES
    SERIES #
    JOHN C. ERNST CO
    PART NUMBERS
    NOTES
    G14-547CA-1-T, CA-2-T, CA-3-T, CA-4-T, CA-5-T, CA-6-T, CA-7-T, CA-8-T, CA-9-T547-1, 547-2,547-3, 547-4, 547-5, 547-6, 547-7, 547-8, 547-9
    G14-545Reflex Flat Gauge Glass, RB-1, RB-2, RB-3, RB-4, RB-5, RB-6, RB-7, RB-8, RB-9545-1, 545-2, 545-3, 545-4, 545-5, 545-6, 545-7, 545-8, 545-9
    G15Gaskets For Flat Gauge Glass, EFI-44585, 588, 595Ernst Instruments Gaskets are 1/16" Thick
    G15B-Gaskets for 1" Wide Flat Gauge Glass585, 588, 595
    G15-592-MICA Shields for Flat Gauge Glass592
    G16-852EFI-734BC852
    G16-850EFI-734/690Q19850

Tubular Level Gauge Accessories

    ERNST INSTRUMENTS
    SERIES #
    EFI - ERNST FLOW INDUSTRIES
    SERIES #
    JOHN C. ERNST CO
    PART NUMBERS
    NOTES
    T18-840-EFI-RCP840-

Sight Flows

    ERNST INSTRUMENTS
    SERIES #
    EFI - ERNST FLOW INDUSTRIES
    SERIES #
    JOHN C. ERNST CO
    PART NUMBERS
    NOTES
    S13T-SERIES 1400 THREADED, EFI-1420, EFI-1430, EFI-1470, EFI-1422, EFI-1432, EFI-1472, EFI-1421, EFI-1431, EFI-1471, EFI-1471, EFI-1423, EFI-1433, EFI-1473020, 130, 170, 021, 131, 171, 022, 132, 172, 023, 133, 173
    S13F-SERIES 1400 FLANGED, EFI-1420-F, EFI-1470-F, EFI-1422-F, EFI 1472-F, EFI-1421-F, EFI-1471-F, EFI-1423-F, EFI-1473-F050, 270, 051, 271, 052, 272, 053, 273
    S14FB- PlainEFI-910-FA (NF)200 , 240, 260
    S14FB- FlapperEFI-910-FA202, 242, 262
    S14FB- RotorEFI-935-FA201, 241, 261
    S14FB- Drip TubeEFI-608-FA203, 243, 263
    S12B- FlapperEFI-100-S102-
    S12B- RotorEFI-300-S101-
    S12B- Drip TubeEFI-200-S103-
    S14TC-SERIES 2000 Threaded9 L, 060 L, 013 L, 063 L, 012 L, 062 L, 011 L, 061 L
    EFI-20-00-T, EFI-20-10-T, EFI-20-20-T, EFI-20-30-T
    S14FC-SERIES 2000 Flanged200 L, 260 L, 203 L, 263 L, 202 L, 262 L, 201 L, 261 L
    EFI-20-40-F, EFI-20-50-F, EFI-20-60-F, EFI-20-70-F
    S22C-EFI 4000-S108, 128, 158
    S22B-EFI 265149-1, 149-2, 149-3
    S21F-EFI GY-FL220, 221, 222, 223
    S21T-EFI GY120, 121

Carbon Steel Gauge Valves

    ERNST INSTRUMENTS
    SERIES #
    EFI - ERNST FLOW INDUSTRIES
    SERIES #
    JOHN C. ERNST CO
    PART NUMBERS
    NOTES
    V11B-450EFI-333J, EFI-334J, EFI-335J, EFI-336J, EFI-323J, EFI-324J, EFI-325J, EFI-326J450
    V11B-460EFI-433J, EFI-434J, EFI-435J, EFI-436J, EFI-423J, EFI-424J, EFI-425J, EFI-426J460

Armored Gauges

    ERNST INSTRUMENTS
    SERIES #
    EFI - ERNST FLOW INDUSTRIES
    SERIES #
    JOHN C. ERNST CO
    PART NUMBERS
    NOTES
    H13B-REFI S480-R11, 480-R12, 480-R13, 480-R14, 480-R15, 480-R16, 480-R17, 480-R18, 480-R19, 480-R24, 480-R25, 480-R26, 480-R27, 480-R28, 480-R29, 480-R36, 480-R37, 480-R38, 480-R39, 480-R47, 480-R48, 480-R49
    EFI-S-1100J, EFI-S-1101J, EFI-S-1102J, EFI-S-1103J, EFI-S-1104J, EFI-S-1104J, EFI-S-1105J, EFI-S-1106J, EFI-S-1107J, EFI-S-1108J, EFI-S-1123J, EFI-S-1124J, EFI-S-1125J, EFI-S-1126J, EFI-S-1127J, EFI-S-1128J, EFI-S-1145J, EFI-S-1146J, EFI-S-1147J, EFI-S-1148J, EFI-S-1166J, EFI-S-1167J, EFI-S-1168J, EFI-S-56J, EFI-S-57J, EFI-S-58J
    H13B-TEFI ST490-T11, 490-T12, 490-T13, 490-T14, 490-T15, 490-T16, 490-T17, 490-T18, 490-T19, 490-T24, 490-T25, 490-T26, 490-T27, 490-T28, 490-T29, 490-T36, 490-T37, 490-T38, 490-T39, 490-T47, 490-T48, 490-T49
    EFI-ST-1200J, EFI-ST-1201J, EFI-ST-1202J, EFI-ST-1203J, EFI-ST-1204J, EFI-ST-1205J, EFI-ST-1206J, EFI-ST-1207J, EFI-ST-1208J, EFI-ST-1223J, EFI-ST-1224J, EFI-ST-1225J, EFI-ST-1226J, EFI-ST-1227J, EFI-ST-1228J, EFI-ST-1245J, EFI-ST-1246J, EFI-ST-1247J, EFI-ST-1248J, EFI-ST-1266J, EFI-ST-1267J, EFI-ST-1268J, EFI-ST-56J, EFI-ST-57J, EFI-ST-58J
    H14B-TEFI WT491-T11, 491-T12, 491-T13, 491-T14, 491-T15, 491-T16, 491-T17, 491-T18, 491-T19, 491-T24, 491-T25, 491-T26, 491-T27, 491-T28, 491-T29, 491-T36, 491-T37, 491-T38, 491-T39, 491-T47, 491-T48, 491-T49
    EFI-WT-10J, EFI-WT-11J, EFI-WT-12J, EFI-WT-13J, EFI-WT-13J, EFI-WT-14J, EFI-WT-15J, EFI-WT-16J, EFI-WT-17J, EFI-WT-18J, EFI-WT-23J, EFI-WT-24J, EFI-WT-25J, EFI-WT-26J, EFI-WT-27J, EFI-WT-28J, EFI-WT-35J, EFI-WT-36J, EFI-WT-37J, EFI-WT-38J, EFI-WT-46J, EFI-WT-47J, EFI-WT-48J, EFI-WT-56J, EFI-WT-57J, EFI-WT-58J
    H11B-TEFI-12-WJ492-T11, 492-T12, 492-T13, 492-T14, 492-T15, 492-T16, 492-T17, 492-T18, 492-T19, 492-T24, 492-T25, 492-T26, 492-T27, 492-T28, 492-T29, 492-T36, 492-T37, 492-T38, 492-T39, 492-T47, 492-T48, 492-T49, 497-T11, 497-T12, 497-T13, 497-T14, 497-T15, 497-T16, 497-T17, 497-T18, 497-T19, 497-T24, 497-T25, 497-T26, 497-T27, 497-T28, 497-T29, 497-T36, 497-T37, 497-T38, 497-T39, 497-T47, 497-T48, 497-T49
    EFI-1200WJ, EFI-1201WJ, EFI-1202WJ, EFI-1203WJ, EFI-1204WJ, EFI-1205WJ, EFI-1206WJ, EFI-1207WJ, EFI-1208WJ, EFI-1223WJ, EFI-1224WJ, EFI-1225WJ, EFI-1226WJ, EFI-1227WJ, EFI-1228WJ, EFI-1245WJ, EFI-1246WJ, EFI-1247WJ, EFI-1248WJ, EFI-1266WJ, EFI-1267WJ, EFI-1268WJ
    H11B-REFI-12-WJ482-R11, 482-R12, 482-R13, 482-R14, 482-R15, 482-R16, 482-R17, 482-R18, 482-R19, 482-R24, 482-R25, 482-R26, 482-R27, 482-R28, 482-R29, 482-R36, 482-R37, 482-R38, 482-R39, 482-R47, 482-R48, 482-R49, 487-R11, 487-R12, 487-R13, 487-R14, 487-R15, 487-R16, 487-R17, 487-R18, 487-R19, 487-R24, 487-R25, 487-R26, 487-R27, 487-R28, 487-R29, 487-R36, 487-R37, 487-R38, 487-R39, 487-R47, 487-R48, 487-R49
    EFI-1200WJ, EFI-1201WJ, EFI-1202WJ, EFI-1203WJ, EFI-1204WJ, EFI-1205WJ, EFI-1206WJ, EFI-1207WJ, EFI-1208WJ, EFI-1223WJ, EFI-1224WJ, EFI-1225WJ, EFI-1226WJ, EFI-1227WJ, EFI-1228WJ, EFI-1245WJ, EFI-1246WJ, EFI-1247WJ, EFI-1248WJ, EFI-1266WJ, EFI-1267WJ, EFI-1268WJ

Armor Level Gauge Accessories

    ERNST INSTRUMENTS
    SERIES #
    EFI - ERNST FLOW INDUSTRIES
    SERIES #
    JOHN C. ERNST CO
    PART NUMBERS
    NOTES
    EPL-100EFI LEVELITE816 EPL
    EPL-

Magnetic Level Gauges

    ERNST INSTRUMENTS
    SERIES #
    EFI - ERNST FLOW INDUSTRIES
    SERIES #
    JOHN C. ERNST CO
    PART NUMBERS
    NOTES
    F21EFI-MINI-MAGNA048
    F11EFI-MAGNA049

Sight Windows

    ERNST INSTRUMENTS
    SERIES #
    EFI - ERNST FLOW INDUSTRIES
    SERIES #
    JOHN C. ERNST CO
    PART NUMBERS
    NOTES
    W11-WNWelding Neck311, 351
    EFI-W-5000
    W12Welding Pad312, 352Inquire if CRN Needed
    EFI-5200
    W11-FNThreaded Connection
    EFI-S5100

Threaded Sight Windows

    ERNST INSTRUMENTS
    SERIES #
    EFI - ERNST FLOW INDUSTRIES
    SERIES #
    JOHN C. ERNST CO
    PART NUMBERS
    NOTES
    W16-LPLow Pressure341
    EFI-540, EFI-540S
    W16-MFLow Pressure Fused322
    EFI-1260, EFI-1260BR
    W16-MPMedium Pressure316
    EFI-S5400
    W16-HFHigh Pressure722
    EFI-HPSP

Glass

    ERNST INSTRUMENTS
    SERIES #
    EFI - ERNST FLOW INDUSTRIES
    SERIES #
    JOHN C. ERNST CO
    PART NUMBERS
    NOTES
    G13-540Low Pressure Annular Edge Glass540M-1, 540M-2, 540M-3, 540M-4, 540M-5
    AE695620, AE695610, AE692540, AE694790, AE694800
    G13-510High Pressure Annular Edge Glass541M-1, 541M-2, 541M-3, 541M-4, 5401M-5
    AE695621, AE695611, AE692541, AE694791, AE694801
    G12-Borosilicate Rectangles & Circles530, 531, 538, 539, 532, 533
    EFI-S-2130, EFI-C-2140, EFI-S-2130 BLUE, EFI-C-2140 BLUE
    W14-EFI SAFEPORT501
    EFI-SP