Model: 31, Orifice: 3 (3mm), Style: 4 (COM, Single Unit), Option: A (C37, Seals: FKM, Class B), Suffix: Standard, Port Size: 01 (1/8), Thread: N (NPT), Voltage: 3 (110VAC 50/60HZ), Electrical Entry: C (Conduit), Surge Suppressor: Non, Rectifier: R (AC Class B Coil w/Full-wave Rectifier)

Model: 31, Orifice: 3 (3mm), Style: 4 (COM, Single Unit), Option: B (C37, Seals: EPDM, Class B), Suffix: Standard, Port Size: 01 (1/8), Thread: N (NPT), Voltage: 3 (110VAC 50/60HZ), Electrical Entry: C (Conduit), Surge Suppressor: Non, Rectifier: R (AC Class B Coil w/Full-wave Rectifier)

Model: 31, Orifice: 3 (3mm), Style: 4 (COM, Single Unit), Option: C (C37, Seal:Poppet-FFKM,Fixed-PTFE, Class B), Suffix: Standard, Port Size: 01 (1/8), Thread: T (NPTF), 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: 3 (3mm), Style: 4 (COM, Single Unit), Option: J (Stainless Steel, Seals: EPDM, Class B), Suffix: Standard, Port Size: 01 (1/8), Thread: N (NPT), Voltage: 3 (110VAC 50/60HZ), Electrical Entry: C (Conduit), Surge Suppressor: Non, Rectifier: R (AC Class B Coil w/Full-wave Rectifier)

Model: 31, Orifice: 3 (3mm), Style: 4 (COM, Single Unit), Option: C37, Seals: NBR, Class B, Suffix: Z (Oil-free), Port Size: 01 (1/8), Thread: N (NPT), Voltage: 5 (24VDC), Electrical Entry: C (Conduit), Surge Suppressor: Non, Rectifier: None (for DC or AC Class H Coil)

Model: 31, Orifice: 3 (3mm), Style: 4 (COM, Single Unit), Option: C37, Seals: NBR, Class B, Suffix: Z (Oil-free), Port Size: 01 (1/8), Thread: N (NPT), Voltage: 5 (24VDC), Electrical Entry: C (Conduit), Surge Suppressor: Non, 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: N (NPT), Voltage: 5 (24VDC), Electrical Entry: C (Conduit), Surge Suppressor: Non, Rectifier: None (for DC or AC Class H Coil)

Model: 31, Orifice: 1 (1.5mm), Style: 4 (COM, Single Unit), Option: H (Stainless Steel, Seals: FKM, Class B), Suffix: Standard, Port Size: 01 (1/8), Thread: N (NPT), Voltage: 3 (110VAC 50/60HZ), Electrical Entry: C (Conduit), Surge Suppressor: Non, Rectifier: R (AC Class B Coil w/Full-wave Rectifier)

Model: 31, Orifice: 1 (1.5mm), Style: 4 (COM, Single Unit), Option: M (SS, Seals: FKM, Class B, Oil-free), Suffix: Standard, Port Size: 01 (1/8), Thread: N (NPT), Voltage: 5 (24VDC), Electrical Entry: C (Conduit), Surge Suppressor: Non, 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: 01 (1/8), Thread: N (NPT), Voltage: 3 (110VAC 50/60HZ), Electrical Entry: C (Conduit), Surge Suppressor: Non, Rectifier: R (AC Class B Coil w/Full-wave Rectifier), Bracket: B (Bracket)

Model: 31, Orifice: 1 (1.5mm), Style: 4 (COM, Single Unit), Option: C37, Seals: NBR, Class B, Suffix: Z (Oil-free), Port Size: 01 (1/8), Thread: N (NPT), Voltage: 3 (110VAC 50/60HZ), Electrical Entry: C (Conduit), Surge Suppressor: Non, Rectifier: R (AC Class B Coil w/Full-wave Rectifier)

Actuation: C (4-Position Dual 3 Port Valves, N.C./N.O.), Electrical Entry: TT (Terminal Type), Lead Wire Length: 6 (600mm, Maximum Length for L-type), Manual Override: E (Push-turn Locking Lever Type), A,B Port: 01 (1/8)

Actuation: C (4-Position Dual 3 Port Valves, N.C./N.O.), Electrical Entry: TT (Terminal Type), Lead Wire Length: 6 (600mm, Maximum Length for L-type), Manual Override: D (Push-turn Locking Slotted Type), A,B Port: 01 (1/8), Thread Type: N (NPT)

Size: 3, Base Dew Point: -20°C, Type: Standard, Equipment Connection: 4 (Modular Connection), Thread: Rc (PT), Port Size: 01 (1/8), Draining: Manual Valve, Option: S (Dew Point Indicator)

Size: 5, Base Dew Point: -20°C, Type: Standard, Equipment Connection: 4 (Modular Connection), Thread: Rc (PT), Port Size: 01 (1/8), Draining: Manual Valve, Option: S (Dew Point Indicator)

Size: 5, Base Dew Point: -20°C, Type: Standard, Equipment Connection: 4 (Modular Connection), Thread: Rc (PT), Port Size: 01 (1/8)

Size: 5, Base Dew Point: -20°C, Type: Standard, Equipment Connection: 4 (Modular Connection), Thread: N (NPT), Port Size: 01 (1/8), Draining: Manual Valve, Option: R (Flow Direction: Right->Left)

Size: 5, Base Dew Point: H (-15°C), Type: Standard, Equipment Connection: 4 (Modular Connection), Thread: F (G(PF)), Port Size: 01 (1/8), Draining: Manual Valve, Option: R (Flow Direction: Right->Left)

Size: 5, Base Dew Point: H (-15°C), Type: Standard, Equipment Connection: 4 (Modular Connection), Thread: N (NPT), Port Size: 01 (1/8), Draining: Manual Valve, Option: R (Flow Direction: Right->Left)

Size: 5, Base Dew Point: -20°C, Type: Standard, Equipment Connection: 4 (Modular Connection), Thread: F (G(PF)), Port Size: 01 (1/8), Draining: Manual Valve, Option: R (Flow Direction: Right->Left)