Inge Projects Inge Equipment has a diverse product offering, from Pre-Insulated pipe, domestic water heaters, to customized condensate pumps both electric and pressure powered. Low Profile High Capacity PumpsSterling Electric Duplex Condensate PumpChill Water Split/Gasketed Finned Air CoilLeslie Instantaneous Domestic Water HeaterChill Water Finned Air CoilSpence Duplex Condensate Pump Skid