Unionized PVC check valve, 1/4 LB spring with 1-1/2" slip fittings on both ends. This part is normally found in the plumbing for your air blower. Its job is to prevent water from backing up into the blower.
| Air Blower Check Valve Type | Spring |
| Air Blower Part Type | Check Valve |
| Complete Check Valve | 180 Degree |
| First Plumbing Connection Size | 1-1/2" |
| Check Valve Application | Air |
| First Plumbing Connection Type | Slip (s), Slip (s) w/Union |
| Plumbing Size | 1-1/2" |
| Second Plumbing Connection Size | 1-1/2" |
| Plumbing Type | Male Buttress Thread (mbt), Slip (s) |
| Second Plumbing Connection Type | Slip (s), Slip (s) w/Union |
| Check Valve Type | Spring |
| Air Blower Fitting Type | one union check valve |
| Spring Tension | 1/4 lb |
