- Connection Size: 1 in
- Connection Type: Sweat
- Manufacturer: Caleffi
- Manufacturer #: NA553369R
- Series: NA553
- Includes
(1) Caleffi DISCAL® air separator;(1) Backflow preventer:1/2" NPT, sweat or press union;(1) AutoFill™;(1) Expansion tank check valve;(2) Brass nipples: 3";(1) NPT brass tee;(1) 4.4 gal Expansion tank