Model Number

• H2 (75)
• H3 (62)
• H4 (49)
• H5 (47)

Inlet Connection

• 1 in (47)
• 1-1/4 in (47)
• 1/2 in (75)
• 3/4 in (64)

Pressure Relief Setting

• 150PSI (11)
• 250PSI (7)
• 300PSI (8)
• 50PSI (8)
• 55PSI (2)
• 60PSI (6)
• 65PSI (4)
• 70PSI (2)
• 75PSI (7)
• 80PSI (6)
• 90PSI (8)
• 100PSI (8)
• 110PSI (4)
• 120PSI (6)
• 125PSI (8)
• 130PSI (4)
• 135PSI (7)
• 140PSI (2)
• 155PSI (2)
• 165PSI (6)
• 170PSI (6)
• 174PSI (2)
• 175PSI (8)
• 180PSI (8)
• 185PSI (8)
• 190PSI (6)
• 200PSI (8)
• 213PSI (1)
• 220PSI (4)
• 225PSI (8)
• 230PSI (4)
• 232PSI (2)
• 235PSI (8)
• 240PSI (6)
• 245PSI (2)
• 255PSI (4)
• 260PSI (8)
• 265PSI (8)
• 270PSI (4)
• 275PSI (6)
• 280PSI (2)
• 285PSI (2)
• 290PSI (2)

Single/Dual

• Dual (114)
• Single (119)