Body Size: 20, Thread: N (NPT), Port Size: 02 (1/4), Option: w/o Bracket; w/o Auto Drain, Semi-Standard 1: J (Drain Guide: 1/8 for Body Size 20; 1/4 for Body Size 30 & 40), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)

Body Size: 20, Thread: N (NPT), Port: 02 (1/4), Option: E [Square embedded type pressure gauge (with 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)

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)

Body Size: 20, Thread: N (NPT), Port: 02 (1/4), Option: E [Square embedded type pressure gauge (with limit indicator)], Attachment: Standard, Semi-Standard 1: J (Drain Guide 1/8: Size 20; Drain Guide 1/4: Sizes 25, 30, 40), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, and Pressure Gauge: psi, °F)

Body Size: 20, Thread: N (NPT), Port: 02 (1/4), Option: M [Round type pressure gauge (with color zone)], Attachment: S (Pressure Switch), Semi-Standard 1: J (Drain Guide 1/8: Size 20; Drain Guide 1/4: Sizes 25, 30, 40), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, and Pressure Gauge: psi, °F)

Body Size: 20, Thread: N (NPT), Port: 02 (1/4), Option: E [Square embedded type pressure gauge (with limit indicator)], Attachment: S (Pressure Switch), Semi-Standard 1: J (Drain Guide 1/8: Size 20; Drain Guide 1/4: Sizes 30, 40), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, and Pressure Gauge: psi, °F)

Body Size: 20, Thread: N (NPT), Port: 01 (1/8), Option: E [Square embedded type pressure gauge (with limit indicator)], Attachment: S (Pressure Switch), Semi-Standard 1: J (Drain Guide 1/8: Size 20; Drain Guide 1/4: Sizes 30, 40), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, and Pressure Gauge: psi, °F)

Body Size: 40, Thread: Rc (Rc: for Sizes 20, 25, 30, 40; M5: for Size 10), Port Size: 03 (3/8), 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: SV (S + V), Semi-Standard 1: 6J (6 + J), Semi-Standard 2: Standard

Body Size: 30, Thread: Rc (Rc: for Sizes 20, 25, 30, 40; M5: for Size 10), Port Size: 03 (3/8), 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: Standard, Semi-Standard 1: 2J (2 + J), Semi-Standard 2: Standard

Body Size: 20, Thread: N (NPT), Port Size: 02 (1/4), Option: w/o Bracket; w/o Auto Drain, Semi-Standard 1: J (Drain Guide: 1/8 for Body Size 20; 1/4 for Body Size 30 & 40), 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: 01 (1/8), Option: w/o Bracket; w/o Auto Drain, Semi-Standard 1: J (Drain Guide: 1/8 for Body Size 20; 1/4 for Body Size 30 & 40), 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: 01 (1/8), Option: w/o Bracket; w/o Auto Drain, Semi-Standard 1: J (Drain Guide: 1/8 for Body Size 20; 1/4 for Body Size 30 & 40), 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: B (Bracket), Semi-Standard 1: J (Drain Guide: 1/8 for Body Size 20; 1/4 for Body Size 30 & 40), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F), Made to Order: X2141 (w/Element Service Indicator)

Body Size: 40, Thread: Rc: Size 20, 25, 30, 40; M5: Size 10, Port Size: 1/2, Option: for Sizes 20, 25, 30, 40 Round Type Pressure Gauge w/Limit Indicator; for Size10: Round Type Pressure Gauge w/o Limit Indicator, Attachment: 3-Port Valve for Residual Pressure Release, Semi-Standard 1: 2 + J, Semi-Standard 2: Standard

Body Size: 20, Thread: NPT, Port Size: 1/4, Option: for Sizes 20, 25, 30, 40 Round Type Pressure Gauge w/Limit Indicator; for Size10: Round Type Pressure Gauge w/o Limit Indicator, Attachment: Standard, Semi-Standard 1: 3 + C + J, Semi-Standard 2: Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F

Body Size: 40, Thread: Rc: Size 20, 25, 30, 40; M5: Size 10, Port Size: 1/2, Option: for Sizes 20, 25, 30, 40 Round Type Pressure Gauge w/Limit Indicator; for Size10: Round Type Pressure Gauge w/o Limit Indicator, Attachment: K + S + T + V, Semi-Standard 1: 1 + 2 + J , Semi-Standard 2: Standard

Size/Valve Type: 5 (20A, N.C.), Body/Port/Orifice: J (Stainless Steel; Port 3/4;, Orifice 20), Voltage/Electrical Entry: Z (Other Voltages), Other Voltages and Electrical Options: 2A (w/Light, 24VDC, DIN Terminal w/Surge Voltage Suppressor), Other Options: B (NPT Thread)

Size/Valve Type: 5 (20A, N.C.), Body/Port/Orifice: J (Stainless Steel; Port 3/4;, Orifice 20), Voltage/Electrical Entry: Z (Other Voltages), Other Voltages and Electrical Options: 2C (w/Light, 110VAC, DIN Terminal w/Surge Voltage Suppressor), Other Options: B (NPT Thread)

Size/Valve Type: C (20A, N.O.), Body/Port/Orifice: J (Stainless Steel; Port 3/4;, Orifice 20), Voltage/Electrical Entry: Z (Other Voltages), Other Voltages and Electrical Options: 2C (w/Light, 110VAC, DIN Terminal w/Surge Voltage Suppressor), Other Options: B (NPT Thread)

Size/Valve Type: 5 (20A, N.C.), Body/Port/Orifice: J (Stainless Steel; Port 3/4;, Orifice 20), Voltage/Electrical Entry: Z (Other Voltages), Other Voltages and Electrical Options: 2V (w/Light, 24VAC, DIN Terminal w/Surge Voltage Suppressor), Other Options: B (NPT Thread)