1. The item arrived a little bit marked which wasn’t a major issue. 2. The screws that come with the item and not fit for purpose for the item as not just are they an extremely poor quality screw which don’t look like they’re made to do the job As the screws raw plugs keep spinning inside the wall so my advice would be to buy your own screws and use them, however the main issue is that the screwheads are grossly too small for the holes at the top of the item As when you drive the screw in it goes right the way through the item and this could’ve been prevented by providing a correct fit for purpose screw head or simply a rubber and metal: shaped washer. 3. The centre black cap Clearly does not fit inside the hole on the front of the item I had to wrap electricians insulation tape many times around to get it to fit. 4. The tap that comes with the units is extremely cheaply made and worse still let’s-buy water and leaks from the top butterfly nuts, thus resulting in a loss of water over a period of time which sort of defeats the object of wanting to be a little bit more self-sufficient and energy saving. 5. The two big round caps that go on the top of the units to cover the holes are extremely cheap tac & don’t fit snug so I can see them coming out with a little bit of wind or a lot of water TBC. 6. When I complain to the company highlighting these issues they pretty much ignored me in a response email, I then had to further write back him asking if they would be kind enough to resolve the issues and they ignored all issues apart from the tap of which they did offer to send a new one out! To be absolutely honest and speak with clarity I can honestly say that the whole idea is absolutely amazing not to mention the design of how it connects to the pipes Etc, I really do love the main item and what it does and how it does it but obviously I am dissatisfied as stated above. If you are looking to buy one of these items then I strongly recommend this item as long as you are under no illusion as to what you will receive so you should expect to buy your own brass threaded tap, you’re own wall screws & plugs, some rubber cone washers similar to what they used to secure toilets down with & be happy at doing a DIY job on the caps. Please also note that the top hole which accepts the rainwater pipe does except the downspout to be inserted inside of the harvest tank somewhat.