a beverage dispensing apparatus is adapted to mix together a concentrate fluid with a base fluid . the apparatus comprises a cool fluid trunk line carrying the base fluid , a manifold , an in line and an out line extending between the cool fluid trunk and the manifold , a python and a bar gun assembly fluidly connected to the downstream side of the manifold by means of a plurality of conduits contained in the python , wherein the apparatus includes a recirculation channel having an inlet port and an outlet port , wherein the inlet and outlet ports of the recirculation channel are fluidly connected to respective in and out conduits in the python , the said in and out conduits being fluidly connected respectively to the in line and the out line of the cool fluid trunk line via the manifold , the beverage dispensing apparatus further including a plurality of product lines , a mixing means and a dispensing outlet , wherein the insulation material extends beyond the end of the outer sheath via the manifold , at least one of the product lines is fluidly connected to a source of concentrate and at least one of the product lines is fluidly connected to a source of base fluid .