Model: 33, Orifice: 3 (3mm), Style: 0 (N.C., Single Unit), Option: C37, Seals: NBR, Class B, Suffix: Standard, Port Size: 02 (1/4), Thread: F (G), Voltage: 5 (24VDC), Electrical Entry: D (DIN Terminal), Surge Suppressor: Z (w/Light and Surge Voltage Suppressor), Rectifier: None (for DC or AC Class H Coil)

Model: 33, Orifice: 4 (4mm), Style: 4 (COM, Single Unit), Option: M (SS, Seals: FKM, Class B, Oil-free), Suffix: Standard, Port Size: 02 (1/4), Thread: F (G), Voltage: 5 (24VDC), Electrical Entry: D (DIN Terminal), Surge Suppressor: Non, Rectifier: None (for DC or AC Class H Coil)

Model: 33, Orifice: 4 (4mm), Style: 4 (COM, Single Unit), Option: P (SS/Ag, Seals: EPDM, Class H), Suffix: Standard, Port Size: 02 (1/4), Thread: F (G), Voltage: 3 (110VAC 50/60HZ), Electrical Entry: G (Grommet), Surge Suppressor: Non, Rectifier: None (for DC or AC Class H Coil)

Model: 32, Orifice: 4 (4mm), Style: 4 (COM, Single Unit), Option: G (Stainless Steel, Seals: NBR, Class B), Suffix: Standard, Port Size: 02 (1/4), Thread: F (G), Voltage: 5 (24VDC), Electrical Entry: D (DIN Terminal), Surge Suppressor: Z (w/Light and Surge Voltage Suppressor), Rectifier: None (for DC or AC Class H Coil), Bracket: B (Bracket)

Model: 32, Orifice: 2 (2.2mm), Style: 0 (N.C., Single Unit), Option: M (SS, Seals: FKM, Class B, Oil-free), Suffix: Standard, Port Size: 02 (1/4), Thread: F (G), Voltage: 5 (24VDC), Electrical Entry: G (Grommet), Surge Suppressor: Non, Rectifier: None (for DC or AC Class H Coil), Bracket: B (Bracket)

Model: 33, Orifice: 4 (4mm), Style: 4 (COM, Single Unit), Option: A (C37, Seals: FKM, Class B), Suffix: Standard, Port Size: 02 (1/4), Thread: F (G), Voltage: 5 (24VDC), Electrical Entry: DO (DIN Terminal, w/o Connector, Gasket Included), Surge Suppressor: Non, Rectifier: None (for DC or AC Class H Coil), Bracket: B (Bracket)

Model: 33, Orifice: 4 (4mm), Style: 4 (COM, Single Unit), Option: H (Stainless Steel, Seals: FKM, Class B), Suffix: Standard, Port Size: 02 (1/4), Thread: F (G), Voltage: 5 (24VDC), Electrical Entry: D (DIN Terminal), Surge Suppressor: Non, Rectifier: None (for DC or AC Class H Coil), Bracket: B (Bracket)

Model: 33, Orifice: 4 (4mm), Style: 4 (COM, Single Unit), Option: K (SS, Seal: Poppet-FFKM, Fixed-PTFE, Class B, Oil-free), Suffix: Standard, Port Size: 02 (1/4), Thread: F (G), Voltage: 5 (24VDC), Electrical Entry: D (DIN Terminal), Surge Suppressor: Non, Rectifier: None (for DC or AC Class H Coil), Bracket: B (Bracket)

Model: 31, Orifice: 1 (1.5mm), Style: 0 (N.C., Single Unit), Option: J (Stainless Steel, Seals: EPDM, Class B), Suffix: Standard, Port Size: 02 (1/4), Thread: F (G), Voltage: 5 (24VDC), Electrical Entry: D (DIN Terminal), Surge Suppressor: Z (w/Light and Surge Voltage Suppressor), Rectifier: None (for DC or AC Class H Coil)

Model: 32, Orifice: 4 (4mm), Style: 2 (N.O., Single Unit), Option: G (Stainless Steel, Seals: NBR, Class B), Suffix: Standard, Port Size: 02 (1/4), Thread: F (G), Voltage: 5 (24VDC), Electrical Entry: D (DIN Terminal), Surge Suppressor: Z (w/Light and Surge Voltage Suppressor), Rectifier: None (for DC or AC Class H Coil), Bracket: B (Bracket)

Model: 32, Orifice: 4 (4mm), Style: 0 (N.C., Single Unit), Option: H (Stainless Steel, Seals: FKM, Class B), Suffix: Standard, Port Size: 02 (1/4), Thread: F (G), Voltage: 5 (24VDC), Electrical Entry: G (Grommet), Surge Suppressor: Non, Rectifier: None (for DC or AC Class H Coil)

Model: 33, Orifice: 4 (4mm), Style: 0 (N.C., Single Unit), Option: C37, Seals: NBR, Class B, Suffix: Standard, Port Size: 02 (1/4), Thread: F (G), Voltage: 5 (24VDC), Electrical Entry: D (DIN Terminal), Surge Suppressor: Z (w/Light and Surge Voltage Suppressor), Rectifier: None (for DC or AC Class H Coil)

Model: 31, Orifice: 1 (1.5mm), Style: 4 (COM, Single Unit), Option: C37, Seals: NBR, Class B, Suffix: Standard, Port Size: 02 (1/4), Thread: F (G), Voltage: 5 (24VDC), Electrical Entry: D (DIN Terminal), Surge Suppressor: Non, Rectifier: None (for DC or AC Class H Coil)

Body Size: 30, Thread: N (NPT), Port Size: 02 (1/4), Option: G (Size 20 25, 30, 40: Round Type Pressure Gauge w/Limit Indicator; Size 10: Round Type Pressure Gauge w/o Limit Indicator), Attachment: T (T-Interface), Semi-Standard 1: Standard, Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)

Body Size: 30, Thread: N (NPT), Port Size: 02 (1/4), Option: Standard, Attachment: T (T-Interface), Semi-Standard 1: Standard, Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)

Body Size: 20, Thread: N (NPT), Port Size: 02 (1/4), Option: C (N.C. Float Type Auto Drain), Attachment: Standard, Semi-Standard 1: Standard, Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)

Type of Connector: F (D-sub Connector 25 Pin), Connector Outlet Direction: 1 (Connector Top Direction), Stations: 7 Stations, SUP/EXH Block Mounting: U (U Side 2~10 Stations), Pilot: Internal Pilot, A, B Port: 02 (Rc1/4)

Type of Connector: F (D-sub Connector 25 Pin), Connector Outlet Direction: 1 (Connector Top Direction), Stations: 3 Stations, SUP/EXH Block Mounting: B (Both Sides 2~20 Stations), Pilot: Internal Pilot, A, B Port: 02 (Rc1/4)

Type of Connector: F (D-sub Connector 25 Pin), Connector Outlet Direction: 2 (Connector Side Direction), Stations: 7 Stations, SUP/EXH Block Mounting: B (Both Sides 2~20 Stations), Pilot: Internal Pilot, A, B Port: 02 (Rc1/4)

Type of Connector: F (D-sub Connector 25 Pin), Connector Outlet Direction: 2 (Connector Side Direction), Stations: 10 Stations, SUP/EXH Block Mounting: U (U Side 2~10 Stations), Pilot: Internal Pilot, A, B Port: 02 (Rc1/4)