Model: 31, Orifice: 1 (1.5mm), Style: 4 (COM, Single Unit), Option: J (Stainless Steel, Seals: EPDM, Class B), Suffix: Standard, Port Size: 01 (1/8), 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: 31, Orifice: 1 (1.5mm), Style: 4 (COM, Single Unit), Option: C37, Seals: NBR, Class B, Suffix: Standard, Port Size: 01 (1/8), Thread: F (G), Voltage: J (230VAC 50/60HZ), Electrical Entry: DO (DIN Terminal, w/o Connector, Gasket Included), Surge Suppressor: Non, Rectifier: R (AC Class B Coil w/Full-wave Rectifier), Bracket: B (Bracket)

Model: 31, Orifice: 2 (2.2mm), Style: 4 (COM, Single Unit), Option: A (C37, Seals: FKM, Class B), Suffix: Standard, Port Size: 01 (1/8), 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: 31, Orifice: 3 (3mm), Style: 4 (COM, Single Unit), Option: E (C37/Cu, Seals: EPDM, Class H), Suffix: Z (Oil-free), Port Size: 01 (1/8), Thread: T (NPTF), Voltage: J (230VAC 50/60HZ), Electrical Entry: G (Grommet), Surge Suppressor: S (w/Surge Voltage Suppressor), Rectifier: None (for DC or AC Class H Coil), Bracket: B (Bracket)

Model: 31, Orifice: 2 (2.2mm), Style: 4 (COM, Single Unit), Option: V (C37, Seals: FKM, Class B, Oil-free), Suffix: Standard, Port Size: 01 (1/8), 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: 31, Orifice: 1 (1.5mm), Style: 4 (COM, Single Unit), Option: A (C37, Seals: FKM, Class B), Suffix: Standard, Port Size: 01 (1/8), 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)

Body Size: 20, Thread: N (NPT), Port: 01 (1/8), Option: G (Round Pressure Gauge w/Limit Indicator), Attachment: Standard, Semi-Standard 1: J (Drain Guide 1/8: Size 20; Drain Guide 1/4: Sizes 25, 30, 40, 50, 55, 60), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, and Pressure Gauge: psi, °F)

Function: 1 (Normally Closed), Piping: 2 (Body Ported), Body Option: Individual EXH, Specifications: Standard, Voltage: 5 (24VDC), Lead Wire: G (Grommet Lead Wire 0.3m), Surge Suppressor: Z (Light & Surge Suppressor), Manual Override: Non-locking Push Style, Port Size: 01 (Base Mounted w/Sub-plate 1/8, Body Ported 1/8), Thread: T (NPTF), Bracket: F (Bracket)

Function: 1 (Normally Closed), Piping: 2 (Body Ported), Body Option: M (Common EXH), Specifications: Standard, Voltage: S (5VDC), Lead Wire: LO (L Plug w/o Connector), Surge Suppressor: U (Surge Suppressor w/Light Non-polar), Manual Override: Non-locking Push Style, Port Size: 01 (Base Mounted w/Sub-plate 1/8, Body Ported 1/8), Thread: F (G)

Function: 1 (Normally Closed), Piping: 2 (Body Ported), Body Option: Individual EXH, Specifications: Standard, Voltage: 5 (24VDC), Lead Wire: WO (M8 Connector - Without Connector Cable), Surge Suppressor: Z (Light & Surge Suppressor), Manual Override: Non-locking Push Style, Port Size: 01 (Base Mounted w/Sub-plate 1/8, Body Ported 1/8), Thread: F (G), Bracket: F (Bracket)

Function: 1 (Normally Closed), Piping: 2 (Body Ported), Body Option: M (Common EXH), Specifications: Standard, Voltage: 3 (110VAC 50/60HZ), Lead Wire: G (Grommet Lead Wire 0.3m), Surge Suppressor: Z (Light & Surge Suppressor), Manual Override: Non-locking Push Style, Port Size: 01 (Base Mounted w/Sub-plate 1/8, Body Ported 1/8), Thread: N (NPT)

Function: 1 (Normally Closed), Piping: 2 (Body Ported), Body Option: M (Common EXH), Specifications: T (Power Saver), Voltage: 5 (24VDC), Lead Wire: G (Grommet Lead Wire 0.3m), Surge Suppressor: Z (Light & Surge Suppressor), Manual Override: Non-locking Push Style, Port Size: 01 (Base Mounted w/Sub-plate 1/8, Body Ported 1/8), Thread: T (NPTF)

Function: 1 (Normally Closed), Piping: 2 (Body Ported), Body Option: M (Common EXH), Specifications: T (Power Saver), Voltage: 6 (12VDC), Lead Wire: G (Grommet Lead Wire 0.3m), Surge Suppressor: Z (Light & Surge Suppressor), Manual Override: Non-locking Push Style, Port Size: 01 (Base Mounted w/Sub-plate 1/8, Body Ported 1/8), Thread: T (NPTF)

Function: 1 (Normally Closed), Piping: 4 (Base Mounted), Body Option: Individual EXH, Specifications: Standard, Voltage: 5 (24VDC), Lead Wire: M (M Plug Connector w/Lead Wire 0.3m), Surge Suppressor: Z (Light & Surge Suppressor), Manual Override: Non-locking Push Style, Port Size: 01 (Base Mounted w/Sub-plate 1/8, Body Ported 1/8), Thread: F (G)

Function: 2 (Normally Open), Piping: 2 (Body Ported), Body Option: M (Common EXH), Specifications: Standard, Voltage: 3 (110VAC 50/60HZ), Lead Wire: LO (L Plug w/o Connector), Surge Suppressor: Z (Light & Surge Suppressor), Manual Override: Non-locking Push Style, Port Size: 01 (Base Mounted w/Sub-plate 1/8, Body Ported 1/8), Thread: F (G)

Function: 1 (Normally Closed), Piping: 2 (Body Ported), Body Option: M (Common EXH), Specifications: Standard, Voltage: 3 (110VAC 50/60HZ), Lead Wire: LO (L Plug w/o Connector), Surge Suppressor: Z (Light & Surge Suppressor), Manual Override: Non-locking Push Style, Port Size: 01 (Base Mounted w/Sub-plate 1/8, Body Ported 1/8), Thread: F (G)

Function: 1 (Normally Closed), Piping: 2 (Body Ported), Body Option: R (External Pilot), Specifications: Standard, Voltage: 5 (24VDC), Lead Wire: LO (L Plug w/o Connector), Surge Suppressor: U (Surge Suppressor w/Light Non-polar), Manual Override: Non-locking Push Style, Port Size: 01 (Base Mounted w/Sub-plate 1/8, Body Ported 1/8), Thread: F (G)

Function: 1 (Normally Closed), Piping: 4 (Base Mounted), Body Option: Individual EXH, Specifications: Standard, Voltage: 5 (24VDC), Lead Wire: L (L Plug Connector w/Lead Wire 0.3m), Surge Suppressor: Z (Light & Surge Suppressor), Manual Override: Non-locking Push Style, Port Size: 01 (Base Mounted w/Sub-plate 1/8, Body Ported 1/8), Thread: F (G)

Function: 1 (Normally Closed), Piping: 2 (Body Ported), Body Option: M (Common EXH), Specifications: Standard, Voltage: 3 (110VAC 50/60HZ), Lead Wire: L (L Plug Connector w/Lead Wire 0.3m), Surge Suppressor: Z (Light & Surge Suppressor), Manual Override: Non-locking Push Style, Port Size: 01 (Base Mounted w/Sub-plate 1/8, Body Ported 1/8), Thread: F (G)

Function: 1 (Normally Closed), Piping: 2 (Body Ported), Body Option: Individual EXH, Specifications: Standard, Voltage: 5 (24VDC), Lead Wire: L (L Plug Connector w/Lead Wire 0.3m), Surge Suppressor: U (Surge Suppressor w/Light Non-polar), Manual Override: Non-locking Push Style, Port Size: 01 (Base Mounted w/Sub-plate 1/8, Body Ported 1/8), Thread: F (G)