American Backflow's ® line of DUKE HYDROVALVES are 

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Models:

• HYDROVALVE 4100 - 1"

• HYDROVALVE 4102 - 1"

• HYDROVALVE 4150 - 1 1/2"

• HYDROVALVE 4152 - 1 1/2"

• HYDROVALVE 4200 - 2"

• HYDROVALVE 4202 - 2"

• HYDROVALVE 4300 - 3"

• HYDROVALVE 4302 - 3"

 

When ordering please specify voltage needed: 12vac - 24vac - 120vac - 240vac power supplies.