Refrigeration Gauge, Low Side | FMB 080403 / Union 080403 / Realstar 0804003 is a gauge part number 0804003 for refrigeration service work.
Gauge Low Side Refrigeration Dry Cleaning Part 0804003.
It is organized for professional dry-cleaning equipment repair, with FMB / Firbimatic, Union, and Realstar references shown where the Corbett Equipment database supports the lineage or cross-reference path.
Technical Specifications
Component type: Gauge.
Primary system: Refrigeration.
Component type: Refrigeration / pressure instrument component.
Primary application: compatible dry cleaning machine service and repair.
Catalog category: Dry Cleaning Machine Parts.
Primary brand line: Firbimatic.
Evidence status: single brand manual backed.
Gauge Low Side Refrigeration Dry Cleaning Part 0804003.
Low Pressure Gauge (Old#F7594 & 0804003).
Low Pressure Gauge (Old# F7594).
Catalog application group: review.
Supported by 10 internal Corbett manual, catalog, or product-evidence hit(s).
Verify operating ratings, size, connection style, mounting, material, and machine application against the installed component before ordering.
Part Numbers & Cross References
Part Numbers
FMB / Firbimatic
0804003
080403
0804020
Union
080403
Realstar
0804003
Cross References
Legacy / old FMB references
F7594
0804003
Component markings
Use component markings only as verification clues, not as a substitute for machine fitment.
Machine Fitment
Machine fitment is based on Corbett Equipment model-lineage, manual, and part-number evidence. Confirm the installed component, machine data plate, and service manual before ordering.
FMB / Firbimatic machine models
ECOPRO 918
F AS 18 LT2
SAVER 40
035
05
068
08
09
10
100
12
120
13
130
14
15
153
16
20
208
220
23
24
25
Union machine models
HXP8018C
L840
P840
Realstar machine models
KM343
KM343-K4
KT343
KT343-K4
Factory model-code reference: HC7-18-CL
Ordering Verification
Confirm the part number, installed component markings, voltage or pressure rating where applicable, connection size, mounting style, and machine model before ordering. Contact Corbett Equipment if you need help matching the part to a Firbimatic, Union, Realstar, or related FMB machine.