Q. Are Orbit Blu-Lock and Hydro-Rain Blu-Lock compatible?

A. Blu-Lock® is a trademarked name for easy-to-use, push-fit sprinkler irrigation components. Blu-Lock® system components are made by Orbit Irrigation Products. The professional, or commercial, line of Orbit products are marketed under the name Hydro-Rain. The Blu-Lock® system components are compatible whether listed under the Orbit name or the Hydro-Rain name. 

Blu-Lock is not compatible with drip irrigation polyethylene tubing (LDPE), nor is it compatible with PVC pipe.