The Orbit 1 in. auto inline valve is the perfect upgrade to your underground system, bringing reliability and failsafe functionality. Made for high-quality, injection molded plastics, capable of handling pressures up to 150 PSI, this inline valve replaces any name brand automatic valve and is compatible with all 24V systems. The low profile, slim design allows it to fit in even the tightest spaces and valve boxes. The female threaded connection points allow for fast, glue less assembly.