| Series | 1 Series R74 |
| Image | Supplier | Item Code | Short Description |
|---|---|---|---|
| | Dixon Valve & Coupling Co | DIX R74G-3R | 3/8" Series-1 Regulator w/out Gauge R74G3R |
| | Dixon Valve & Coupling Co | DIX R74G-3RG | 3/8" Series-1 Regulator w/GC230 R74G3RG |
| | Dixon Valve & Coupling Co | DIX R74G-4RG | 1/2" Series-1 Regulator w/GC230 R74G4RG |
| | Dixon Valve & Coupling Co | DIX R74G-6R | 3/4" Series-1 Regulator w/out Gauge R74G6R |
| | Dixon Valve & Coupling Co | DIX R74G-6RG | 3/4" Series-1 Regulator w/GC230 R74G6RG |
| | Dixon Valve & Coupling Co | DIX R74G-4R | 1/2" Series-1 Regulator w/out Gauge R74G4R |
