ShopAmerex.com · Amerex 08573-P001 datasheet · https://shopamerex.com/products/amerex-08573-p001-dry-chemical-safety-disc-assembly-pack-of-1 · Figures as published by Amerex · Verified Sep 2, 2026

Genuine Amerex service part·Part no. 08573-P001
Amerex 08573-P001 Dry Chemical Safety Disc Assembly (Pack of 1)
Amerex 08573-P001 is the safety disc assembly for Amerex 125/250 lb dry chemical stored pressure wheeled High Performance and Z-Series extinguishers, models 573, 575, 756 and 758; the Parts Book lists it as not used on models 690 or 759. Full overview ↓
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Genuine Amerex part from an authorized Amerex distributor. Not a generic substitute.
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Which models does the Amerex 08573-P001 fit?
Per the Amerex Parts Book · page 22| Fits | Extinguisher | UL rating | Capacity | Price | Link |
|---|---|---|---|---|---|
| Model 756 | 40A:160B:C | 250 lb (113.4 kg) | $11,888.00 | View | |
| Model 758 | 160B:C | 250 lb (113.4 kg) | $13,364.00 | View |
Parts list for 125/250 lb. high performance and Z-Series stored pressure wheeled models
Fitment per the Amerex Parts Book. Check the part number against your unit’s nameplate before ordering.
What is the Amerex 08573-P001?
Amerex 08573-P001 is the safety disc assembly for Amerex 125/250 lb dry chemical stored pressure wheeled High Performance and Z-Series extinguishers, models 573, 575, 756 and 758; the Parts Book lists it as not used on models 690 or 759. It is the safety relief on the discharge valve, and Amerex instructs that it be inspected visually for obstruction or damage without being removed. Where pressure leaks at the assembly, the manual says to check the safety outlet for tightness and reinstall or replace it using Teflon tape on the threads, tightening only the large hex nut, because the small hex nut holding the exhaust holes is factory preset to specific torque values. It is item 18 on Amerex Parts Book 27277 Rev D, printed page 20 (PDF page 22), sold as a pack of one.
Amerex 08573-P001 specifications
| Part number | 08573-P |
|---|---|
| Description | Safety Disc Assembly (except 690, 759) |
| Parts Book page | printed page 20 (PDF page 22) |
| Diagram item | 18 |
| Pack quantity | 1 |
| Models | 573, 575, 756, 758 |
|---|---|
| Not used on | 690, 759 |
| Amerex item number | 08573-P001 |
|---|
Part data as published by Amerex. Confirm against the current Parts Book revision before ordering for a unit in service.
Amerex 08573-P001 documents
Official Amerex publications · PDFCurrent Amerex publications, hosted on ShopAmerex so links do not break when Amerex reorganizes its site.
Other parts on Parts Book page 22
Parts list for 125/250 lb. high performance and Z-Series stored pressure wheeled models · All 13 parts| Part no. | Part | Pack | Price | Quantity and add to cart |
|---|---|---|---|---|
| 03559 | Each | $9.99 | ||
| 07309-P001 | Pack of 1 | $13.99 | ||
| 07310-P001 | Pack of 1 | $5.99 | ||
| 08714-P001 | Pack of 1 | $24.99 | ||
| 08715 | Each | $839.00 | ||
| 09399 | Each | $139.00 | ||
| 09856 | Each | $235.00 | ||
| 27075 | Each | $54.99 |
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 08573-P001 questions
What does the Amerex 08573-P001 safety disc assembly fit?
Amerex 125/250 lb dry chemical stored pressure wheeled High Performance and Z-Series models 573, 575, 756 and 758. The Parts Book lists it as not used on models 690 or 759.
What does the safety disc assembly do?
It is the safety relief on the discharge valve. Amerex directs that it be visually inspected for evidence of obstruction or damage and not removed during inspection.
How is a leaking safety disc assembly serviced?
Amerex's troubleshooting guide says to inspect the safety outlet for tightness or damage, reinstalling with Teflon tape on the threads if loose, or replacing it if damaged.
Which nut should be tightened?
Only the large hex nut. Amerex notes the small hex nut containing the exhaust holes is factory preset to specific torque values.
How many safety disc assemblies come in this listing?
One (Pack of 1).
Where is item 08573-P in the Amerex Parts Book?
Item 18 on printed page 20 (PDF page 22) of Parts Book 27277 Rev D.
Is the safety disc included with a replacement valve assembly?
Yes. The Parts Book notes that replacement valve assemblies include the safety disc assembly as required.
Is the Amerex 08573-P001 a genuine Amerex part?
Yes. Amerex states that replacement parts must be Amerex parts to protect the UL listing and keep the warranty in effect, and that substitute parts void both.
