Gasket for Button Trap | FMB 402846/MTP / Union 402846 / Realstar 402846 is a gasket used in compatible FMB / Firbimatic, Union, and Realstar dry-cleaning machine service for Seals / gaskets work.
Use this listing when the installed gasket, machine manual, service record, or component label matches 402846, G15723, G13001, 401205, G12234, L2118. Before ordering, compare dimensions, material, shape, bolt pattern, sealing surfaces, and installed assembly.
Technical Specifications
Component type: gasket.
Primary system: Seals / gaskets.
Primary identifiers: 402846, G15723, G13001, 401205, G12234, L2118.
Legacy / old reference: G15723.
Corbett evidence note: Flat Gasket 9" BLK(Old# G15723 & G13001) 231mm..
Corbett evidence note: Component type: Gasket / seal...
Corbett evidence note: Primary system: Seals / gaskets...
Verification points: dimensions, material, shape, bolt pattern, sealing surfaces, and installed assembly.
Part Numbers & Cross References
Part Numbers
Corbett / manufacturer reference: 402846.
Corbett / manufacturer reference: G15723.
Corbett / manufacturer reference: G13001.
Corbett / manufacturer reference: 401205.
Corbett / manufacturer reference: G12234.
Corbett / manufacturer reference: L2118.
Corbett / manufacturer reference: L2120.
Corbett / manufacturer reference: L2125.
Cross References
Legacy / old reference: G15723.
Evidence note: Component type: Gasket / seal component...
Evidence note: Catalog category: Gaskets & Seals...
Machine Fitment
Machine fitment for Gasket for Button Trap | FMB 402846/MTP / Union 402846 / Realstar 402846 is organized through Corbett Equipment/Firbimatic master manufacturer and model-lineage evidence. Use this section as a fitment-reference map, then verify the installed component, machine data plate, service manual, dimensions, voltage or pressure ratings where applicable, mounting, fittings, and part-number path before ordering.
Master manufacturer / model lineage
Corbett Equipment/Firbimatic and FXT Factory records treat FMB / Firbimatic as the master machine-model lineage for this catalog family. Union, Realstar, and Sovrana references are derivative-reference families that must be matched through the installed component, manual table, and machine-specific service record.
FMB / Firbimatic machine models and master families
EcoPro / ECOPRO family: ECOPRO 915, ECOPRO 915S, ECOPRO 918, ECOPRO 918S, ECOPRO AM, ECOPRO AM918.
Saver family: SAVER 35, SAVER 350, SAVER 35P, SAVER 350P, SAVER 40, SAVER 40P, SAVER 80SM, SAVER HYDROCARBON.
F-series / 18 kg family: F AS 18 LT2, F AS 18 ST2, F18 LT2, F18 LT3, F18 ST2.
EcoGreen family: EcoGreen 35, EcoGreen 40 / L2118, EcoGreen 50 / L2120, EcoGreen 60 / L2125, EcoGreen 80 / L2132, EcoGreen 95, EcoGreen 95SM, EcoGreen DC, EcoGreen S50 / S2120, EcoGreen Advance.
EcoGreen SM / AM-prefix soft-mount family: AM918, AM925, AM940, AM2118, S2118, EcoGreen 40SM, EcoGreen 60SM, EcoPro 40SM, EcoPro 60SM.
EcoLine family: EcoLine 35, ECOLINE, ECOLINE 16.
Vortex family: VORTEX 40, VORTEX 50, VORTEX 80, VORTEX 95, VORTEX L2018, VORTEX S2018, VORTEX PRIMARY, Vortex 40 Plus, Vortex 50 Plus, Vortex 80 Plus, Vortex 50 Plus Tandem.
Axial family: AXIAL 40, AXIAL 918, AXIAL 925, AXIAL-918.
System and feature lineage: Hydro-Vac, Hydro-Chill, Tri-Flow, Smart-10, SecureLock, and related recovery, filtration, distillation, cooling, and control-system records.
Other recovered FMB reference families: Eco-15LT3, Eco-15LT-3, L 18, L-250, L750, L2118, P16, P1567, P1705, P6241, T1838.
Recovered numeric model set: 035, 05, 068, 08, 09, 10, 100, 12, 120, 13, 130, 14, 15, 153, 16, 20, 208, 220, 23, 24, 25, 30, 306, 310, 32, 338, 340, 35, 36, 37, 40, 410, 45, 465, 473, 50, 520, 60, 600, 63, 70, 71, 724, 765, 80, 895, 896, 918, 95.
Factory/model-code references observed in recovered Corbett lineage records: HC7-18-CL, HC7-18-CLM, HC7-18-CS, HC8-18-CL, HC8-18-CLM, HC8-18-CS.
Union machine models and derivative families
Core Union derivative references: HXP8018C, L840, P840.
HL / HP / HXL family references: HL-780, HL780, HL-840, HL840K, HP840K, HXL8018K, HL-850, HL850K, HP850K, HL-860, HL860K, HP860K, HXL8025K, HL-880, HL880K, HXL8032K, HL-890, HL890K.
L / RS family references: L740S, L740, HL740, L750, RS-102, RS-122, RS-152.
Verify Union fitment by matching the installed part, Union manual table, FMB / Firbimatic master-model relationship, connection details, and service location.
Realstar machine models and derivative families
KM / KT derivative references: KM315, KM315-K4, KT215, KT215-K4, KM343, KM343-K4, KT343, KT343-K4.
Larger KM / KT references: KM403, KM403-K4, KT403, KT403-K4, KM503, KM503-K4, KT503, KM703, KM703-K4, KM803, KM803-K4.
RKM references: KM-36 / RKM36, KM-340 / RKM340, KM-400 / RKM400.
Verify Realstar fitment by matching the installed part, Realstar manual table, FMB / Firbimatic master-model relationship, connection details, and service location.
Sovrana and other derivative references
Sovrana and other derivative-model references may appear in Corbett lineage records. Treat them as research clues only unless the installed component, machine manual, and part-number path confirm the application.
EcoGreen S-Series Applications
S2118 button-trap assembly equipped with the matching G15723 /402846 seal; verify installed seal profile and dimensions. Confirm exact machine model, serial/revision and installed component before ordering. Listed sister-model applications are conditional on the matching assembly and component configuration.
FMB / Firbimatic: EcoGreen Petite 40 (18 kg); S2118 (18 kg).
Union (matching component and configuration required): HL840 (18 kg); HL840-K (18 kg); HP840 (18 kg); HP840-K (18 kg); HXL8018K (18 kg); HXL8018S-K (18 kg).
Realstar (matching component and configuration required): HSK340 (18 kg); KM-K218 (18 kg); KM-K318 (18 kg); KM343 (18 kg); KM343-K4 (18 kg); KT343 (18 kg); KT343-K4 (18 kg).
Additional EcoGreen L-Series Applications
Only the matching L2118 button-trap basket-housing top-cover gasket; verify exact cover, circular profile, dimensions and material. Confirm exact machine model, data plate, serial/revision and installed component markings before ordering. Configuration-qualified models require the matching installed assembly; model name or capacity alone is not sufficient.
FMB / Firbimatic: L2118 (18 kg), EcoGreen 40 (18 kg). Only the matching L2118 button-trap basket-housing top-cover gasket; verify exact cover, circular profile, dimensions and material.
Realstar — configuration-qualified: KM-K318 (18 kg), KT343 (18 kg), KM343-K4 (18 kg), KM343 (18 kg), KT343-K4 (18 kg), KM-K218 (18 kg), HSK340 (18 kg). Only the matching L2118 button-trap basket-housing top-cover gasket; verify exact cover, circular profile, dimensions and material. Confirm exact machine serial/revision and the matching installed component/assembly.
Union — configuration-qualified: HL840 (18 kg), HP840 (18 kg), HL840-K (18 kg), HP840-K (18 kg), HXL8018K (18 kg), HXL8018S-K (18 kg). Only the matching L2118 button-trap basket-housing top-cover gasket; verify exact cover, circular profile, dimensions and material. Confirm exact machine serial/revision and the matching installed component/assembly.
Ordering Verification
Confirm 402846, G15723, G13001, 401205, G12234, L2118 before ordering.
Compare dimensions, material, shape, bolt pattern, sealing surfaces, and installed assembly against the installed component.
Inspect the mating parts, wiring, fittings, sealing surfaces, or mounting hardware before installation.
After installation, verify correct machine operation and leak-free or electrically safe service before returning equipment to use.
© 2026 Corbett Equipment/Firbimatic. All rights reserved.
Corbett Equipment/Firbimatic-created listing text, original product photographs and representative renderings, graphics, and the original selection, coordination, arrangement, and compilation of this listing may not be copied, scraped, reproduced, redistributed, or commercially reused without prior written permission, except as permitted by law.
Manufacturer and machine names and trademarks are used solely for identification and remain the property of their respective owners. Part numbers are used only as factual product and compatibility identifiers.