Model Number

• CSR1 (10)
• CSR2 (6)
• CSR3 (6)
• CSR4 (6)
• CSRH1 (7)
• CSRH2 (6)
• CSRH3 (7)
• CSRH4 (7)
• CSRH5 (5)

Inlet Connection

• 1/2 in (29)
• 3/4 in (19)
• 1 in (7)
• 1-1/4 in (5)

Outlet Connection

• 3/4 in (17)
• 1 in (19)
• 1-1/4 in (13)
• 1-1/2 in (11)

Pressure Relief Setting

• 150PSIG (9)
• 175PSIG (2)
• 200PSIG (9)
• 220PSIG (1)
• 225PSIG (2)
• 250PSIG (10)
• 275PSIG (1)
• 300PSIG (9)
• 350PSIG (9)
• 380PSIG (1)
• 400PSIG (7)

Brands

• Parker RS (60)