ShopAmerex.com · Amerex 12576 datasheet · https://shopamerex.com/products/amerex-12576-wheeled-unit-agent-cylinder-cap-assembly-with-pressure-indicator · Figures as published by Amerex · Verified Sep 2, 2026
Genuine Amerex service part·Part no. 12576
Amerex 12576 Wheeled Unit Agent Cylinder Cap Assembly with Pressure Indicator
Amerex 12576 is the Cap, Agent Cylinder with Pressure Indicator (Amerex part 12576), listed at item 1 on the cylinder-operated wheeled parts pages as the alternative to the plain agent cylinder cap, part 06993. Full overview ↓
- Part no.
- 12576
- Pack
- Pack of 1
- Fits
- 450, 452, 491 +3 more
- Parts Book
- Page 19
- Free shipping (orders over $100)
- Returns per our refund policy.
Genuine Amerex part from an authorized Amerex distributor. Not a generic substitute.
Ordering parts for a service route?
Quotes for part lists, PO and tax-exempt orders, and parts not yet listed.
Which models does the Amerex 12576 fit?
Per the Amerex Parts Book · page 19| Fits | Extinguisher | UL rating | Capacity | Price | Link |
|---|---|---|---|---|---|
| Model 450 |  11483 Amerex 450 125 lb Wheeled ABC Fire ExtinguisherParts Book p.18 (PDF p.20) |
30A:240B:C | 125 lb (57 kg) | $4,960.00 | View |
| Model 452 |  10643 Amerex 452 125 lb Wheeled Purple K Fire ExtinguisherParts Book p.18 (PDF p.20) |
320B:C | 125 lb (57 kg) | $6,671.00 | View |
| Model 491 |  11677 Amerex 491 300 lb Wheeled ABC Fire ExtinguisherParts Book p.19 (PDF p.21) |
40A:320B:C | 300 lb (136.07 kg) | $9,515.00 | View |
| Model 493 |  15505 Amerex 493 300 lb Wheeled Purple K Fire ExtinguisherParts Book p.19 (PDF p.21) |
320B:C | 300 lb (136.07 kg) | $9,413.00 | View |
| Model 680R |  10897 Amerex 680R 150 lb Wheeled Sodium Chloride Fire ExtinguisherParts Book p.23 (PDF p.25) |
150 lb | $12,075.00 | View | |
| Model 681R |  10898 Amerex 681R 250 lb Wheeled Copper Powder Fire ExtinguisherParts Book p.23 (PDF p.25) |
250 lb | $16,921.00 | View |
Parts list for 125/150 lb. dry chemical wheeled models, 110 cu. ft. nitrogen cylinder
Fitment per the Amerex Parts Book. Check the part number against your unit’s nameplate before ordering.
What is the Amerex 12576?
Amerex 12576 is the Cap, Agent Cylinder with Pressure Indicator (Amerex part 12576), listed at item 1 on the cylinder-operated wheeled parts pages as the alternative to the plain agent cylinder cap, part 06993. The Parts Book lists it for the 110 cu. ft. models (467, 469, 470, 472), the 23 cu. ft. models (450, 452), the 55 cu. ft. models (491, 493) and the Argon-charged 680R/681R Class D units. The owner's manual warns that the agent cylinder must not be pressurized before servicing begins. The Parts Book notice states Amerex replacement parts must be used to protect the UL listing and keep the warranty in effect.
Amerex 12576 specifications
| Part number | 12576 |
|---|---|
| Description | Cap, Agent Cylinder with Pressure Indicator |
| Parts Book page | Printed p.17 (PDF p.19) |
| Diagram item | 1 |
| Pack quantity | 1 |
| Models | 467, 469, 470, 472, 450, 452, 491, 493, 680R, 681R |
|---|
| Amerex item number | 12576 |
|---|
Part data as published by Amerex. Confirm against the current Parts Book revision before ordering for a unit in service.
Amerex 12576 documents
Official Amerex publications · PDF- Parts Book p. 19 Parts list for 125/150 lb dry chemical, 110 cu. ft. nitrogen cylinder wheeled models 467, 469, 470, 472
- Owner's Service Manual (05605) Wheeled 125/150 lb N2 cylinder operated - models 450/452/467/469/470/472
- Owner's Service Manual (05614) Wheeled 300/350 lb N2 cylinder operated - models 491/492/493
- Owner's Service Manual (05620) Wheeled 150/250 lb Class D - models 680/681
- Tech Tip - Amerex Products Need Amerex Parts Why genuine Amerex parts
- Amerex Warranty Statement
Current Amerex publications, hosted on ShopAmerex so links do not break when Amerex reorganizes its site.
Other parts on Parts Book page 19
Parts list for 125/150 lb. dry chemical wheeled models, 110 cu. ft. nitrogen cylinder · All 29 parts| Part no. | Part | Pack | Price | Quantity and add to cart |
|---|---|---|---|---|
| 02234 | Pack of 1 | $113.00 | ||
| 02235 | Pack of 1 | $1,152.00 | ||
| 02272-P001 | Pack of 1 | $5.99 | ||
| 04128 | Pack of 1 | $1,606.00 | ||
| 04444 | Pack of 1 | $69.99 | ||
| 04523 | Pack of 1 | $28.99 | ||
| 06032 | Pack of 1 | $88.99 | ||
| 06993 | Pack of 1 | $176.00 |
Item numbers refer to the exploded view on the Parts Book page. Model-specific items are marked in the Amerex parts list; confirm before ordering.
Amerex 12576 questions
What does the Amerex 12576 cap fit?
The agent cylinder on the 110, 23 and 55 cu. ft. nitrogen wheeled units (models 467, 469, 470, 472, 450, 452, 491, 493) and the Argon-charged 680R/681R units.
How is it different from part 06993?
The Parts Book lists both at item 1: 06993 is the plain Cap, Agent Cylinder and 12576 is the same cap with a pressure indicator.
Why does agent cylinder pressure matter?
The owner's manual warns that the agent cylinder must not be pressurized before servicing, and its troubleshooting guide says a cap that will not come off may mean the cylinder is still pressurized.
Does it fit CO2 wheeled units?
No - the CO2 page for models 333 and 334 does not list an agent cylinder cap.
Does the cap gasket come with it?
The Parts Book lists the cap gasket separately as part 02272-P at item 2.
Where is it in the Parts Book?
Item 1 on printed p.17 (PDF p.19), p.18, p.19 and p.23.
Why use the genuine Amerex part?
The Parts Book notice states the Amerex warranty is voided by generic, off-the-shelf or substitute parts, and that failure to use Amerex replacement parts could cause the extinguisher to malfunction.