Navien KDB-535GTD - Page 4

Medium-sized gas boiler
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 Model no.: KDB-735GTD, GTS, GTG
※ The sizes in the blank “( )” are applied to the model no..
※ A dedicated boiler (GTS, GTG) is not supplied with the hot water inlet and outlet on the rear of
the boiler.
 Model no.: KDB-735GPD, GPS
※ The sizes in the blank “( )” are applied to the model no.
※ A dedicated boiler (GPS) is not supplied with the hot water inlet and outlet on the rear of the
boiler.