The SharkBite® Push-Fittings™ have been design certified and listed to ASSE 1061/NSF 61. The SharkBite® Push-Fittings™ are listed by IAPMO and are certified for potable and hydronic heating water distribution (note: Glycol mixture for hydronics is not to exceed 50% concentration). The SharkBite® Push-Fittings™ have been certified for underground applications and as a manufactured joint without access panels and they meet UPC, IPC and cUPC requirements.