We'll be going away over the summer for a couple of weeks. Could I run a couple of 4mm pipes from the S8 to water the 8 tomato plants on drippers ( 4 per pipe ) in the adjacent outside bed? They'll only be going to 2 trusses so not high demand, just need to keep them going as they are late summer ripening. This will be in addition to the 8 drippers I have internally in the S8.