Model

• HA4A (23)
• HA4W (4)

Port Size

• 3/4" (20mm) (9)
• 1" (25mm) (4)
• 1-1/4" (32mm) (3)
• 1-1/2" (40mm) (1)
• 2" (50mm) (2)
• 2-1/2" (65mm) (2)
• 3" (80mm) (1)
• 4" (100mm) (3)
• 5" (125mm) (1)
• 6" (150mm) (1)

Reduced Port Plug

• Full Port (22)
• 25% Reduced (2)
• 50% Reduced (3)

Range

• Range A, 0 to 150 psig (0 to 10 bar g) (23)
• Range B, 30 to 300 psig (2 to 21 bar g) (3)
• Range C, 100 to 550 psig (6 to 38 bar g) (1)

Pilot Solenoid Opening

• Normally Closed (26)
• Normally Open (1)

Refrigerant Type

• All Other Refrigerants (19)
• CO2 (8)

Options

• 4-Bolt Flange Style (1)
• 3/4" SW Flange Connection (1)
• 4" BW Flange Connection (1)
• BW (2)