Abstract: A jumper tube assembly for a heat exchanger includes a first connector block having an attachment portion engaged to the heat exchanger, an outlet and an inlet for receiving refrigerant from the heat exchanger. A second connector block includes an attachment portion engaged to the heat exchanger, an inlet and an outlet. A jumper tube extends between the first and the second connector block. The jumper tube includes an inlet connected to the outlet of the first connector block and an outlet connected to the inlet of the second connector block. The jumper tube inlet and the jumper tube outlet are brazed to the respective first and second connector blocks. The first and second connector blocks are brazed to the heat exchanger.