Model Number

• CSR1 (20)
• CSR2 (12)
• CSRH1 (14)
• CSRH2 (12)

Outlet Connection

• 3/4 in (34)
• 1 in (24)

Pressure Relief Setting

• 150PSIG (8)
• 175PSIG (2)
• 200PSIG (8)
• 220PSIG (2)
• 225PSIG (2)
• 250PSIG (8)
• 275PSIG (2)
• 300PSIG (8)
• 350PSIG (8)
• 380PSIG (2)
• 400PSIG (8)

Single/Dual

• Dual (29)
• Single (29)