Plant it to grow Steam Crossover. This links up to other Steam blocks and can conduct steam power. It's actually 2 unconnected pipes - one runs from left to down, and the other runs from up to right. Use this to keep steam from going places you don't want!
Steam Crossover Seed price in Growtopia: sells for about 3/WL (median of 1 offers from community Discords, past 30 days). Live price chart and the latest buy and sell offers.
Recently sold at: MDGZ