A Pump starts the Sandustry fluid network. It consumes supported liquid inside its tile and sends it through connected Pipes to one or more Liquid Vents. Lava is specifically excluded and must be moved through the Cinder state-change route.
Sandustry Pump facts
| Property | Confirmed value |
|---|---|
| Input | Liquids except Lava |
| Output | Connected Pipes |
| Pickup area | Central 2 x 2 pixels |
| Building size | 4 x 4 pixels |
| Blocks player | No |
Input and output flow
Read the flow together with the placement rules below. In Sandustry, the correct material can still fail when it enters from the wrong side, at the wrong speed, or in the wrong physical state.
How the Pump works
Although a Pump occupies four by four pixels, only its central two-by-two region collects liquid. The building is non-solid, so Gold, Sand, or other solids can enter that same space and displace the liquid. Blocking only the lower portion can therefore stop a network that still looks visually full.
Recommended factory layout
Place the pickup center inside a clean reservoir and prevent loose solids from falling through it. Use a dedicated Pipe network for each liquid because connected Pumps share their inputs across connected Vents. Inspect the pickup with the Grabber when output stops unexpectedly.
Common Pump problems
| Symptom | Likely cause or check |
|---|---|
| Connected Vent is dry | A solid may be occupying the small central pickup area. |
| Different liquid appears at the output | Multiple liquid types were connected to the same shared network. |
| Pump ignores Lava | This is intended; freeze Lava and transport Cinder instead. |
Related Sandustry guides and source
Mechanics were checked against the official Sandustry Wiki page for the Pump. Recheck research costs and balance-sensitive behavior in the current Early Access build.
