Duplex system is up to 15HP (2 pumps) 430 GPM
Duplex system included 2 pumps and 2 frequency drive inverters
The lead pump is primary pump to maintain system pressure, lag pump has auto on/off feature when needed to help lead pump maintain pressure
Pump alternation is accomplished with a 24-hour time clock
Apartment buildings
Hotels
Houses
Factories
Irrigation systems
Water filtration systems
HVAC systems
Catalog: TPHIC_Catalog
Instruction Manual: TPHIC_Duplex_IM