Check Valves
| Condition | Code | Procedure |
|---|---|---|
| Attaching hardware broken | A | Require repair or replacement of hardware |
| Attaching hardware missing | C | Require replacement of hardware |
| Attaching hardware not functioning | A | Require repair or replacement of hardware |
| Inoperative | A | Require repair or replacement |
|
NOTE:
Inoperative includes intermittent operation.
|
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| Leaking | A | Require replacement |
| Melted, affecting performance | A | Require replacement |
| Melted, not affecting performance | No service suggested or required | |
| Missing | C | Require replacement |
| Threads damaged | A | Require repair or replacement |
| Threads stripped (threads missing) | A | Require repair or replacement |