Model: 50R (Side Ported/External Pilot), Connector Type: PG (Flat Ribbon Cable, 20 Pins), Connector Entry Direction: 1 (Upward), Wiring Specification: All Double Wiring, Valve Stations: 4 Stations, P, E Port Location: D (D Side), A, B Port Size: 02 (1/4), Thread: T (NPTF)

Model: 50 (Side Ported), Connector Type: PG (Flat Ribbon Cable, 20 Pins), Connector Entry Direction: 1 (Upward), Wiring Specification: All Double Wiring, Valve Stations: 6 Stations, P, E Port Location: D (D Side), A, B Port Size: 02 (1/4), Thread: T (NPTF)

Model: 50R (Side Ported/External Pilot), Connector Type: PG (Flat Ribbon Cable, 20 Pins), Connector Entry Direction: 1 (Upward), Wiring Specification: All Double Wiring, Valve Stations: 6 Stations, P, E Port Location: D (D Side), A, B Port Size: 02 (1/4), Thread: T (NPTF)

Model: 51 (Bottom Ported), Connector Type: PG (Flat Ribbon Cable, 20 Pins), Connector Entry Direction: 1 (Upward), Wiring Specification: All Double Wiring, Valve Stations: 4 Stations, P, E Port Location: D (D Side), A, B Port Size: 02 (1/4), Thread: T (NPTF)

Model: 51 (Bottom Ported), Connector Type: PG (Flat Ribbon Cable, 20 Pins), Connector Entry Direction: 1 (Upward), Wiring Specification: All Double Wiring, Valve Stations: 6 Stations, P, E Port Location: D (D Side), A, B Port Size: 02 (1/4), Thread: T (NPTF)

Model: 50 (Side Ported), Connector Type: PG (Flat Ribbon Cable, 20 Pins), Connector Entry Direction: 1 (Upward), Wiring Specification: All Double Wiring, Valve Stations: 4 Stations, P, E Port Location: D (D Side), A, B Port Size: 02 (1/4), Thread: T (NPTF)

Model: 51 (Bottom Ported), Connector Type: PG (Flat Ribbon Cable, 20 Pins), Connector Entry Direction: 1 (Upward), Wiring Specification: All Double Wiring, Valve Stations: 2 Stations, P, E Port Location: D (D Side), A, B Port Size: 02 (1/4)

Stations: 20, A,B Port: 02 (1/4), Thread: N (NPT)

Body Size: 20, Pipe Thread: N (NPT), Port Size: 02 (1/4), Mounting: B (w/Bracket), Nominal Filtration Rating: 80 (80µ), Water Removal Type: T (Large Flow Type)

Body Size: 20, Pipe Thread: N (NPT), Port Size: 02 (1/4), Mounting: B (w/Bracket), Nominal Filtration Rating: 5 (5µ), Water Removal Type: S (Water Drop Removal Type)

Body Size: 20, Pipe Thread: N (NPT), Port Size: 02 (1/4), Mounting: B (w/Bracket), Nominal Filtration Rating: 5 (5µ), Water Removal Type: S (Water Drop Removal Type), Semi-standard: Z (Name Plate And Caution Plate For Bowl In Imperial Unit (PSI, °F))

Body Size: 20, Pipe Thread: N (NPT), Port Size: 02 (1/4), Mounting: B (w/Bracket), Nominal Filtration Rating: 80 (80µ), Water Removal Type: T (Large Flow Type), Semi-standard: Z (Name Plate And Caution Plate For Bowl In Imperial Unit (PSI, °F))

Body Size: 20, Pipe Thread: N (NPT), Port Size: 02 (1/4), Mounting: B (w/Bracket), Nominal Filtration Rating: 80 (80µ), Water Removal Type: S (Water Drop Removal Type), Semi-standard: Z (Name Plate And Caution Plate For Bowl In Imperial Unit (PSI, °F))

Body Size: 20, Pipe Thread: Rc, Port Size: 02 (1/4), Mounting: B (w/Bracket), Nominal Filtration Rating: 5 (5µ), Water Removal Type: T (Large Flow Type), Semi-standard: 6 (Nylon Bowl)

Body Size: 20, Pipe Thread: N (NPT), Port Size: 02 (1/4), Mounting: B (w/Bracket), Nominal Filtration Rating: 5 (5µ), Water Removal Type: T (Large Flow Type), Semi-standard: 6Z (6 + Z)

Body Size: 20, Pipe Thread: N (NPT), Port Size: 02 (1/4), Mounting: B (w/Bracket), Nominal Filtration Rating: 5 (5µ), Water Removal Type: T (Large Flow Type), Semi-standard: Z (Name Plate And Caution Plate For Bowl In Imperial Unit (PSI, °F))

Body Size: 20, Pipe Thread: N (NPT), Port Size: 02 (1/4), Mounting: w/o Mounting Option, Nominal Filtration Rating: 5 (5µ), Water Removal Type: T (Large Flow Type), Semi-standard: Z (Name Plate And Caution Plate For Bowl In Imperial Unit (PSI, °F))

Body Size: 20, Pipe Thread: N (NPT), Port Size: 02 (1/4), Mounting: B (w/Bracket), Nominal Filtration Rating: 40 (40µ), Water Removal Type: S (Water Drop Removal Type), Semi-standard: 6Z (6 + Z)

Body Size: 20, Pipe Thread: Rc, Port Size: 02 (1/4), Mounting: B (w/Bracket), Nominal Filtration Rating: 5 (5µ), Water Removal Type: S (Water Drop Removal Type), Semi-standard: 6 (Nylon Bowl)

Body Size: 20, Pipe Thread: Rc, Port Size: 02 (1/4), Mounting: w/o Mounting Option, Nominal Filtration Rating: 80 (80µ), Water Removal Type: S (Water Drop Removal Type), Semi-standard: 6 (Nylon Bowl)