ShopAmerex.com · Amerex 22978 datasheet · https://shopamerex.com/products/amerex-22978-brass-valve-assembly-for-novec-1230 · Figures as published by Amerex · Verified Sep 2, 2026
Genuine Amerex service part·Part no. 22978
Amerex 22978 Brass Valve Assembly for Novec 1230
Amerex 22978 is the complete operating valve assembly for the Amerex Model 775 150 lb SF 1230 wheeled clean agent extinguisher, listed as item 1, part 22978, Valve Assembly 150 SF 1230, on Parts Book PN 27277 REV D, page 26 (PDF page 28). Full overview ↓
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Which models does the Amerex 22978 fit?
Per the Amerex Parts Book · page 28| Fits | Extinguisher | UL rating | Capacity | Price | Link |
|---|---|---|---|---|---|
| Model 775 |  28325 Amerex 775 150 lb Wheeled SF 1230 Clean Agent Fire ExtinguisherItem 1 on the Model 775 parts page |
3A:80B:C | 150 lb | $16,965.00 | View |
Parts list for 150 lb. SF 1230 wheeled model
Fitment per the Amerex Parts Book. Check the part number against your unit’s nameplate before ordering.
What is the Amerex 22978?
Amerex 22978 is the complete operating valve assembly for the Amerex Model 775 150 lb SF 1230 wheeled clean agent extinguisher, listed as item 1, part 22978, Valve Assembly 150 SF 1230, on Parts Book PN 27277 REV D, page 26 (PDF page 28). Amerex builds Model 775 with a chrome-plated brass operating valve. Per the Parts Book, replacement valve assemblies include the valve body, gauge, gauge guard, lever, valve stem assembly, spring, pull pin and wire, and downtube and retainer assembly, so the whole discharge valve arrives under one part number. The Owner's Manual directs replacing the valve assembly or its component parts when the assembly is corroded or the hose thread connection is damaged. Amerex replacement parts must be used to protect the UL listing and keep the warranty in effect.
Amerex 22978 specifications
| Part number | 22978 |
|---|---|
| Parts Book description | Valve Assembly 150 SF 1230 |
| Parts Book item number | 1 |
| Parts Book page | 26 (PDF page 28) |
| Model | 775 |
|---|---|
| Extinguisher | Amerex 775 150 lb wheeled SF 1230 clean agent extinguisher |
| Per Parts Book | Valve body, gauge, gauge guard, lever, valve stem assembly, spring, pull pin and wire, downtube and retainer assembly |
|---|---|
| Valve type | Chrome-plated brass operating valve |
| Shipping weight (packaged) | 10 lb |
|---|
| Amerex item number | 22978 |
|---|
Part data as published by Amerex. Confirm against the current Parts Book revision before ordering for a unit in service.
Amerex 22978 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 28
Parts list for 150 lb. SF 1230 wheeled model · All 10 parts| Part no. | Part | Pack | Price | Quantity and add to cart |
|---|---|---|---|---|
| 19787 | Each | $237.00 | ||
| 19789 | Each | $19.99 | ||
| 19793 | Each | $276.00 | ||
| 21920 | Each | $1,042.00 | ||
| 21941 | Each | $508.00 | ||
| 22984 | Each | $82.99 | ||
| 23544 | Each | $905.00 | ||
| 23634 | Each | $1,202.00 |
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 22978 questions
What does the Amerex 22978 valve assembly fit?
The Amerex Model 775 150 lb SF 1230 wheeled clean agent extinguisher. It is item 1 on the Model 775 parts page of Parts Book PN 27277 REV D.
What is included in the Amerex 22978 valve assembly?
Per the Parts Book, replacement valve assemblies include the valve body, gauge, gauge guard, lever, valve stem assembly, spring, pull pin and wire, and downtube and retainer assembly.
Is the Amerex 775 valve brass?
Yes. Amerex publishes a chrome-plated brass operating valve as a feature of the SF 1230 wheeled extinguisher in both the Wheeled Catalog and the SF 1230 Wheeled Data Sheet.
When is the whole valve assembly replaced instead of a part?
The Owner's Manual directs inspecting the valve assembly for corrosion or damage to the hose thread connection and replacing the valve assembly or component parts as necessary.
Does replacing the valve require depressurizing the extinguisher?
Yes. The manual requires confirming the extinguisher is completely depressurized before the valve is removed, with the agent recovered rather than vented, and all recharge steps completed after valve removal.
Does the Amerex 22978 fit any other model?
Parts Book PN 27277 REV D lists part 22978 on one parts page only, the Model 775 150 lb stored pressure wheeled SF 1230 extinguisher on page 26.