Garantia Dark Grey Slim Stone Wall Tank 330 litres

(3 customer reviews)


FREE Delivery by Monday, 11 December, 2023.

Key Features:

  • High storage capacity with small footprint
  • Stylish, Stone wall effect
  • Includes plastic tap

The Slim Stone Wall Tank comes with a set up kit for installing your tank to your downpipe.

Note: this is not the downpipe diverter. This needs to be purchased separately – simply select the desired Downpipe Diverter below. If you are connecting your tank to a square downpipe, the Square Downpipe Diverter will be required.

This Water Butt also comes with the recommended Aqua-Quick plastic tap with a stunning brass finish.

30 in stock (can be backordered)

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This item: Garantia Dark Grey Slim Stone Wall Tank 330 litres

30 in stock (can be backordered)

1 × Garantia Rapido Diverter (for round downpipes)

19 in stock (can be backordered)

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SKU: 211811


This contemporary 330L Slim Rainwater Wall Tank in Granite Grey is perfect for collecting a large amount of water in a small space and comes with a tap, an 3/4″ inner thread to fit in and accessories.

Ideal for gardens with limited space, this water butt offers a great space saving solution to high capacity water storage. Featuring an extra-large capacity, you will be able to collect plenty of naturally soft rainwater for your garden, without taking up too much valuable outdoor space. This quality water tank is also made from 100% recycled material and is both UV-stable and weather resistant.

Included with this water tank, you’ll also get an Aqua-Quick plastic tap with a stunning brass finish. The Downpipe Diverter is not included, but can be bought as an optional extra.

Features and Benefits

      • Discreet Design – Slim and compact, this Garantia Wall Tank won’t look out of place in either urban or rural back gardens.
      • Eco-Friendly – Helping you do your bit, this water butt harvests rainwater for your garden the contemporary way.
      • Make Some Serious Savings –  Mains water is an expensive commodity, so rainwater harvesting is a perfect, money saving alternative.
      • Incorporated Tap –  Making it easier than ever to decant your water, a user-friendly tap is included for your convenience.


      • Modern design
      • Stone effect finish
      • High-quality
      • Slim compact shape
      • High capacity water butt
      • Includes brass coloured aqua-quick tap

Product Dimensions:

      • Height – 1820mm
      • Width – 580mm
      • Depth – 370mm
      • Weight – 17kgs

Helpful information on installing your downpipe

  • The water butts do not come predrilled. This product is very easy to use and can be drilled in by anyone. Simply attach the drill bit onto your drill and begin drilling – remember you must drill the hole in the water butt at the same level as the hole in the downpipe!
  • As long as the holes drilled in both the water butt and the downpipe are level, the water butt will continue down the downpipe when the water butt is full.


Delivery Requirements – Please read before ordering!

Due to its size, this item will be delivered on a pallet by one of our haulage companies. They utilise vehicles that are usually larger than a standard courier van.  If you think that our couriers may have difficulty accessing your delivery address, please kindly state this in the delivery instructions, and a member of our team will contact you to make appropriate alternative arrangements.

If you won’t be present to receive your delivery, please ensure that you designate a safe place for the item to be left. Without these instructions, we will be unable to complete the delivery in your absence.

Our haulier will deliver your water butt to your doorstep. Unfortunately, they will not be able to enter the premises and place the water butt wherever you may specifically require it.

Each water butt arrives on a pallet. Our haulier will not be able to remove this once they have delivered the water butt.


Weight 17 kg
Dimensions 370 × 580 × 1820 mm

3 reviews for Garantia Dark Grey Slim Stone Wall Tank 330 litres

  1. Denise Manning

    Looks great but disappointed in the plastic tap. When opened the water sprays everywhere, now looking for hose to fit

  2. Peter George

    Looks great did pay extra for the brass tap which I think just finishes it off was well packaged an print delivery highly recommend

  3. tinabchase

    We have bought 3 of these ( 2 of which we have installed) and style-wise they are fantastic and slim . They are not easy to install however and my partner is extremely competent at DIY. The taps are plastic and we have had problems with leaks. The connecting part from 1 water butt to the other also leaked. When you open the tap – the water sprays everywhere except in a watering can. The problem with this is that when you place a standard size watering can that you can buy from any mainstream DIY store, ( I have various shaped / height / width watering cans) none of the openings in the watering cans fit directly under the tap. We have had to purchase various washers, and sealants, and we now have to have to balck hoses attached to the taps so that we can actually get water into the watering cans. so not exactly the look we were going for. A bit dissapointed with the ease of use to be honest.

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FREE Delivery Information

A note to our customers

All of our orders are typically delivered within 1 week from receipt of order, however during this time due to UK-wide disruption, deliveries may take a little longer and we aim to deliver within 10 days.

  • Delivery lead time is 5-7 working days on all orders.
  • Price is included to mainland UK, quotations for highlands and islands available on request.
  • We use a number of different hauliers and also deliver on our own vehicles.  We cannot currently provide a tracking number for all orders but can accept customer enquiries by phone.
  • Decorative water butt orders will be palletised curbside deliveries.  The customer being home to accept the delivery is advised but not essential.


You have 30 calendar days to return an item from the date you received it.

To be eligible for a return:

  • Your item must be unused and in the same condition that you received it.
  • Your item must be in the original packaging.
  • Your item needs to have a receipt or proof of purchase.
  • In order for returns to be approved and refunded, the returns form included in the delivery must be completed.  We can send out an additional or electronic copy of the returns form upon request.

5 Questions about Garantia Dark Grey Slim Stone Wall Tank 330 litres

  1. Is the tap that comes with this the version shown here: Does it include the hose adaptor? Thanks


  2. Does this water butt come with a wall fixing kit. Thank you, Alan


  3. How do I undo the circular lid on the top? Instruction says the tap is underneath the lid but it’s stuck…


  4. Is all of the water useable or does some remain below tap level, and how much?


  5. Is it possible to set up two of these tanks next to each other to get maximum fill from a down pipe? I’m not sure if they would have to go either side of the Dow pipe, or if there are any hose kits that would allow them to sit one after the other away from the pipe?