A flowtube assembly for a magnetic flowmeter, the flowtube assembly comprising a housing module and a removable liner/electrode module (22, 90), wherein: the housing module comprises: a tube extending from a first mounting flange (14,16) to a second mounting flange (14,16), where each of the first and second mounting flanges having pipe flange facing surfaces (15,17) for mounting to respective pipe flanges; a coil chamber disposed outside the tube, between the first and second mounting flanges, the coil chamber having at least one coil disposed therein and being configured to generate a magnetic field within the tube; and the irremovable liner/electrode module positioned within the tube, the removable liner/electrode module comprising: a non-conductive liner (60, 94) extending from the first mounting flange to the second mounting flange; at least one electrode (50,51) disposed in the non-conductive liner to interact with a conductive process fluid; at least one interconnect tab which forms part of the liner/electrode module, and extends radially from the tube, is electrically connected to the housing module via the first or second mounting flange; an electrode conductor (76,78) extending from the at least one electrode to the at least one interconnect tab disposed adjacent the pipe facing flange surface of one of the first and second mounting flanges; and wherein the liner/electrode module is positionable within the tube, and wherein liner/electrode module is separate from the housing module and is adapted to be removable from the flowtube assembly without disassembling the housing module. a tube extending from a first mounting flange (14,16) to a second mounting flange (14,16), where each of the first and second mounting flanges having pipe flange facing surfaces (15,17) for mounting to respective pipe flanges; a coil chamber disposed outside the tube, between the first and second mounting flanges, the coil chamber having at least one coil disposed therein and being configured to generate a magnetic field within the tube; and the irremovable liner/electrode module positioned within the tube, the removable liner/electrode module comprising: a non-conductive liner (60, 94) extending from the first mounting flange to the second mounting flange; at least one electrode (50,51) disposed in the non-conductive liner to interact with a conductive process fluid; at least one interconnect tab which forms part of the liner/electrode module, and extends radially from the tube, is electrically connected to the housing module via the first or second mounting flange; an electrode conductor (76,78) extending from the at least one electrode to the at least one interconnect tab disposed adjacent the pipe facing flange surface of one of the first and second mounting flanges; and wherein the liner/electrode module is positionable within the tube, and a non-conductive liner (60, 94) extending from the first mounting flange to the second mounting flange; at least one electrode (50,51) disposed in the non-conductive liner to interact with a conductive process fluid; at least one interconnect tab which forms part of the liner/electrode module, and extends radially from the tube, is electrically connected to the housing module via the first or second mounting flange; an electrode conductor (76,78) extending from the at least one electrode to the at least one interconnect tab disposed adjacent the pipe facing flange surface of one of the first and second mounting flanges; and wherein the liner/electrode module is positionable within the tube, and wherein liner/electrode module is separate from the housing module and is adapted to be removable from the flowtube assembly without disassembling the housing module.