The unloader valve diverts water flow into bypass when the trigger gun valve is closed. Unloaders may be designed to respond to either an increase in pressure or a change in flow. The unloader valve may also be used for variable pressure adjustment.
| Thumbnail | Model | Max GPM | Max PSI | Inlet | Outlet | Max Temp | By Pass | Spring Color | Knob |
|---|---|---|---|---|---|---|---|---|---|
 | VRT3-250PS6 | 10.5 | 3650 | 2x3/8" F | 3/8" F | 194° F | Blue | Yes | |
 | VHP51-400 | 26.4 | 5800 | 1/2" F | 1/2" F | 194° F | 1/2” F | ||
| VHP51-500 | 26.4 | 8000 | 1/2" F | 1/2" F | 194° F | 1/2” F | ||
| VHP39-PS2 | 11 | 5560 | 2 x 3/8” F | 3/8" F | 190° F | 2 x 3/8” F | ||
| VHP31/250-170 | 66 | 2465 | 1" F | 1" F | 194° F | 1” F | ||
| VHP31/250-310 | 66 | 4060 | 1” F | 1” F | 194° | 1” F | ||
| VHP60 | 26 | 8700 | 1/2" F | 1/2" F | 194° F | 1/2” F | ||
| VRS3-190 | 8 | 2750 | 3/8" F | 3/8" M | 194° F | 3/8" F | Yellow | |
| VRT3-310AM | 10.5 | 4500 | 2 x 3/8” F | 3/8" F | 194° F | 2x3/8" F | Black | No |
 | VRT3-250H | 10.5 | 3630 | 3/8" F | 3/8" F | 194° F | 3/8” F | Blue | Yes |
| VRT3-250PS6 | 10.5 | 3650 | 2x3/8" F | 3/8" F | 194° F | Blue | Yes | |
| VHP51-400 | 26.4 | 5800 | 1/2" F | 1/2" F | 194° F | 1/2” F | ||
| VHP39-PS2 | 11 | 5560 | 2 x 3/8” F | 3/8" F | 190° F | 2 x 3/8” F | ||
| VHP51-500 | 26.4 | 8000 | 1/2" F | 1/2" F | 194° F | 1/2” F | ||
| VHP31/250-170 | 66 | 2465 | 1" F | 1" F | 194° F | 1” F | ||
| VHP31/250-310 | 66 | 4060 | 1” F | 1” F | 194° | 1” F | ||
| VHP60 | 26 | 8700 | 1/2" F | 1/2" F | 194° F | 1/2” F | ||
| VRS3-190 | 8 | 2750 | 3/8" F | 3/8" M | 194° F | 3/8" F | Yellow | |
 | VRT3-250EZ | 10.5 | 3650 | 2 x 3/8” F | 3/8" F | 194° F | 2 x 3/8” F | Blue | Yes |
| VRT3-310AM | 10.5 | 4500 | 2 x 3/8” F | 3/8" F | 194° F | 2x3/8" F | Black | No |
| VRT3-250H | 10.5 | 3630 | 3/8" F | 3/8" F | 194° F | 3/8” F | Blue | Yes |
 | VHP70-700 | 21 | 10150 | 1/2" F | 1/2" F | 194° F | 1/2" F | Black | |
| VHP70-440 | 21 | 6380 | 1/2" F | 1/2" F | 194° F | 1/2" F | Blue | |
 | VHP50 | 26 | 8360 | 1/2” F | 1/2” F | 194° F | 1/2” F | ||
 | AR2907 | 8 | 3600 | 1/2” F | 3/8” M | 190° F | 2 x 3/8” F | ||
 | Mecline VRT100-190H Uploader | 26.4 | 2790 | 1/2" NPT F | 1/2" NPT F | 194° F | 1/2" NPT F | Yellow | No |
 | Mecline VRT100-190D Uploader | 26.4 | 2790 | 1/2" NPT F | 1/2" NPT F | 194° F | 1/2" NPT F | Yellow | No |
| Mecline VRT100-190K Uploader | 26.4 | 2790 | 1/2" NPT F | 1/2" NPT F | 194° F | 1/2" NPT F | Yellow | Yes |
 | Mecline VRT100-330D Uploader | 26.4 | 4800 | 1/2" NPT F | 1/2" NPT F | 194° F | 1/2" NPT F | Blue | No |
 | Mecline VR56-250M Uploader | 8 | 3624 | 3/8” M | 3/8” M | 194° F | 3/8” F | Red | |
 | Mecline VR54-150 Unloader | 8 | 2175 | 3/8" NPT M | 3/8" NPT M | 194° F | 3/8" NPT F | Black | |
 | Mecline VRS3-250 Unloader | 8 | 3630 | 3/8” F | 3/8” M | 194° F | 3/8” F | Blue | Yes |
 | VRC25 | 8 | 3650 | 2 x 3/8” F | 3/8” F | 194° F | 1/4” F | ||
| Mecline VRT3-250A Unloader | 10.5 | 3650 | 2x3/8" F | 3/8" F | 194° F | 2x3/8" F | Blue | No |
 | Mecline VHP39-EZ Uploader | 11 | 5560 | 1 x 3/8” F | 3/8” F | 190° F | 2 x 3/8” F | Yes | |
| Mecline VRT3-310EZ Unloader | 10.5 | 4500 | 2x3/8" F | 3/8" F | 194° F | 2x3/8" F | Black | Yes |
| Mecline VRT3-160 Uploader | 10.5 | 2320 | 2x3/8" F | 3/8" F | 194° F | 2x3/8" F | Yellow | Yes |
 | AR51248 | 21 | 500, 6 | 1/2” F | 1/2” F | 195° F | 1/2” F | Black | No |
 | VX3-250 | 8 | 3650 | 3/8" F | 3/8” M | 195° F | 1/4" F | Blue | Yes |
 | AR51096 | 21 | 4350 | 1/2” F | 1/2” F | 195° F | 1/2” F | Blue | |
| Mecline VRT100-330K Uploader | 26.4 | 4800 | 1/2" NPT F | 1/2" NPT F | 194° F | 1/2" NPT F | Blue | Yes |
 | AR51034 | 53 | 2465 | 1” F | 1” F | 195° F | 1” F | ||
 | AR51179 | 16 | 8700 | 1/2” F | 1/2” F | 195° F | 1/2” F | Black | No |
| Mecline VRT100-190 Uploader | 26.4 | 2790 | 1/2" NPT F | 1/2" NPT F | 194° F | 1/2" NPT F | Yellow | No |
 | AR51332 | 10.5 | 4050 | 3/8” F | 3/8” F | 195° F | 2x3/8” F | Black | Yes |
 | AR20831 | 8 | 5100 | 3/8” F | 3/8” M | 190° F | 3/8” F | Yes | |
| Mecline VHP39 Uploader | 11 | 5560 | 1 x 3/8” F | 3/8” F | 190° F | 2 x 3/8” F | Yes | |
 | Mecline VR54-200 | 8 | 2900 | 3/8" NPT M | 3/8" NPT M | 194° F | 3/8" NPT F | Red | |
| VX3-160 | 8 | 2300 | 3/8" F | 3/8” M | 195° F | 1/4" F | Yellow | Yes |
 | AR21350 | 12 | 2900 | 3/8" F | 3/8” M | 195° F | 1/4" F | Yes | |
 | AR40397 | 21 | 8100 | 1/2” F | 1/2” F | 195° F | 1/2” F | Silver | |
| Mecline VRT100-330 Uploader | 26.4 | 4800 | 1/2" NPT F | 1/2" NPT F | 194° F | 1/2" NPT F | Blue | No |
| Mecline VRT3-310 Unloader | 10.5 | 4500 | 2x3/8" F | 3/8" F | 194° F | 2x3/8" F | Black | Yes |
| Mecline VRT3-250 Unloader | 10.5 | 3650 | 2x3/8" F | 3/8" F | 194° F | 2x3/8" F | Blue | Yes |
| Mecline VR56-250 Unloader | 8 | 3624 | 3/8” M | 3/8” F | 194° F | 3/8” F | Red | |
| Mecline VRT3-310A Unloader | 10.5 | 4500 | 2x3/8" F | 3/8" F | 194° F | 2x3/8" F | Black | No |
Filter: Reset
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