NAVIEN 20006947A O-RING EPDM P18 NSF E7518 EWK2

The Navien Tankless Water Heaters 20006947A O-Ring NSF E7518 EWK2 is a vital part designed for application in HVAC equipment. This O-ring is a requirement for proper maintenance of the seal of HVAC equipment to prevent leaks and guarantee free operations of the equipment. However, the product is manufactured under very hard conditions and is made of a material known as EPDM and will last for years. When the connections are sealed properly then the system efficiency and energy efficiency is improved and so that savings on maintenance costs and operating costs are achieved.