EVENTS & HOLIDAYS
EXCLUSIVE OFFERS
- Backflow Type: Dual check
- Domestic / Import: Import
- End Style: Union
- Manufacturer: Caleffi
- Manufacturer #: NA10911
- Softgoods Material: EPDM
- Suitable For Use With: 573 Series backflow preventers 573009A/573019A
- Type: Retrofit Kit
This advanced design results in a more consistent and superior seal over the broad range of conditions encountered in plumbing and hydronic applications, compared to traditional fiber or EPDM washers. As an industry leader, Caleffi continually evaluates material advancements, new manufacturing methods, installation techniques, and application conditions. Posi-Stop is the latest result of our efforts to deliver innovative and superior product solutions.
- Features
- When the contractor tightens the union nut, an EPDM O-ring seal compresses to a controlled value by way of a positive metal-to-metal stop.