Port Size
- 20mm (3/4 in) (116)
- 25mm (1 in) (74)
- 32mm (1 1/4 in) (77)
- 40mm (1 5/8 in) (70)
- 50mm (2 in) (44)
- 65mm (2 1/2 in) (51)
- 75mm (3 in) (42)
- 100mm (4 in) (35)
Check Valve
Coil
- 115/50 (9)
- 120 EXT (14)
- 120/60 (343)
- 230/50 (29)
- 24 (1)
- 24/60 (6)
- 240/50 (1)
- 240/60 (30)
- No Coil, AC (76)
Coil Style
- 7 (15)
- DIN, Green LED Pilot Light (45)
- DIN, Red LED Pilot Light (13)
- DIN, Standard (44)
- Leaded, Green LED Pilot Light (105)
- Leaded, Red LED Pilot Light (33)
- Leaded, Standard (178)
- No Coil Style (76)
Flange Type
Flange Connection
- None (133)
- 3/4 in (35)
- 1 in (43)
- 1 1/8 in (1)
- 1 1/4 in (95)
- 1 3/8 in (2)
- 1 1/2 in (46)
- 1 5/8 in (1)
- 2 in (52)
- 2 1/8 in (3)
- 2 1/2 in (27)
- 2 5/8 in (1)
- 3 in (44)
- 4 in (26)
High Set Point
Low Set Point
Range
Reduced Capacity
Strainer
Valve Material
Brands

Parker A4AD No Variation - Dual Pressure (Low/High)
A4AD No Variation - Dual Pressure (Low/High)