Can I move Lava through an ordinary Pipe?
The planner explicitly warns against connecting Lava to an ordinary Pipe. Check the recommended route for your selected situation.

LAVA / ROUTES
Use Lava for heat without moving it through ordinary Pipes.
The right plan depends on whether Lava is on the surface or underground and whether you need the Lava itself or only its heat. Select the situation that matches what you see in the game, then review the checklist before expanding the setup.
The tool includes a heat-use route built around placing a Smelter or Thermal Buffer beside Lava and checking the temperature at connected machines. This is different from treating Lava like an ordinary liquid that can be sent through any standard Pipe.
The planner explicitly warns against connecting Lava to an ordinary Pipe. Check the recommended route for your selected situation.
The heat-use section explains how nearby Smelters or Thermal Buffers can draw heat from Lava.
No. It provides a situation-based route and checklist; verify the result in your game.