IWT INTERSTOR
Indirect Water Heater
High performance DHW
Combine the IWT - INTERSTOR Indirect Water Heater with any SL, VX, HC or EX Series condensing boiler for an ample supply of DHW. Regular or MAX output options available.
IWT 40
IWT 50
IWT 65
IWT 80
IWT 119
IWT 80 Max
IWT 119 Max