Have used screwfix a fair few times and I would rate them as hit and miss
its seems it more to do with the value of your order and time you placed
your order..they claim 6pm is the cut off time for next day delivery.I have found that it more like 2pm and a few times 12pm(online orders)Also...
indesit w161 .the machine seems not to be taking any hot water feed.tray 1 fill`s but the rest do not,have ensured water supply is reaching machine.water valve fault?