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Brewing since 1974

Grainfather S40 UK

Product ID: 1211

Want to start brewing beer at home? Then look no further than the Grainfather S40 Brewing System. Packed full of fe... read more

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Free UK delivery on all orders over £75

Required Equipment

Maris Otter Malt Crushed Grain 3KG
Stainless Steel Paddle
Lager Malt Crushed Grain 1Kg, 3Kg & 25Kg
Maris Otter Malt Thomas Fawcett 1Kg, 3Kg & 25Kg - crushed or uncrushed grain
Grainfather Stainless Steel Mixing Paddle (60cm)
Grainfather S40 UK
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Want to start brewing beer at home? Then look no further than the Grainfather S40 Brewing System. Packed full of features and made of 304 grade stainless steel, the S40 is an easy-to-use system for any level of homebrewer.

The Grainfather S40 brewing system has a 46L (12 US Gal) capacity, allowing you to create 40L (11 US Gal) of beer every time that you brew. Don't let the price fool you, this product has a high grade stainless steel build and is packed full of features to make every brew easy.

The S40 is a fantastic entry-level all-in-one. It’s not quite as feature-heavy as some of the more expensive Grainfather units but offers excellent quality at an affordable price and will brew superbly.
The Grainfather S40 capacity is 46 litres, meaning you can brew up to 40 litres of wort.. Using the extra capacity, you can have an entire volume, no sparge brew day. The construction is twin-walled 304-grade Stainless Steel giving added insulation to the body.
The added insulation improves ramp times and holding mash temperatures. 
The Grainfather S40 elements are powerful at 2.3kw and will make light work of bigger batches.
You can reduce the element
to 1kw for more steady control of mash temperatures. 

An exciting feature is the newly designed mashing basket which includes a fixed base and perforations on the side. 
The mashing basket allows excellent recirculation without the need for complex overflow pipework. It is perfect for beginners as it is quicker to mash in and harder to go wrong, and even experienced brewers who want a brisk, easy brew day find it perfect. 
 As standard, the Grainfather S40 comes with a Stainless Steel immersion chiller and can be  emptied from the side ball valve. A hop spider or muslin bag is recommended to prevent blockages when emptying. 
 This unit is backed by Grainfather outstanding customer service team and comes with a two-year warranty. 


  • Sleek 304 grade stainless steel body
  • Easily manage heating using the digital controller with colour display
  • Built in pump for maximum brewing efficiencies
  • Easily cool wort with the stainless steel immersion chiller
  • Recirculation arm for more efficient mashing
  • Backed by a 2-year warranty


What's Included

  • Grainfather S40
  • Grain basket
  • Lid
  • Immersion chiller & hoses
  • Recirculation arm & wort sprayer
  • Connection fittings



SIZE: 680 x 480mm (27 x 19�)

WEIGHT: 25kg (55lb)

CAPACITY: 46L (12 US Gal)

BATCH VOLUME: Max: 40L (11 US Gal) Min: 10L (3 US Gal)

GRAIN BILL: Max: 10kg (22lb)

Min: 5kg (11lb)

POWER: 2300W, 220V


leave a review
Harvey Brown
The best homebrew product I have treated myself to. It makes light work of brewing and gives endless opportunities to create new beer recipes. A must have in my opinion.

Spend over £75 - Free Delivery to UK Mainland (Terms and Conditions Apply)

Spend Under £75 - Delivery charge £8 (Terms and Conditions Apply)

Typically Next Working Day (if ordered by 12:30 pm)

Our standard delivery applies to orders being shipped to the UK Mainland excluding Scottish Highlands. (See below for further details)

Collect From Brew Mart

Next Working Day (if ordered by 4 pm)

No minimum spend to collect from us. Use our address as the shipping address. 

Your order will be held for a minimum 7 days. 

If you wish to have this delivered the standard delivery charge will be applied.


Some orders we can dispatch in an envelope via Royal Mail. 

Where this is the case, we will endeavour to reduce your delivery charge accordingly. 

This reduction is done at our discretion, and we will inform you of this before dispatching your order.

Delivery Surcharges

All other UK areas: 

Delivery costs £20 per box. This applies to the following postal areas:

  • Northern Ireland
  • The Isle of Man
  • The Isle of Wight AB 37-56 FK19-21
  • G84
  • IV 1-56, IV63
  • KA27-28
  • KW1-17
  • PA20-39, 41-49, 60-78 PH14-50.
  • TR21-25 ZE1-3

In exceptional cases, we reserve the right to charge delivery at cost.

Our Highlands and Islands deliveries are sent via Royal Mail or Parcelforce and usually take 2-4 days from dispatch.

If you are in any doubt as to the delivery charge applicable to your order, please feel free to email us on before placing your order and we can confirm.


Any special instructions that can help the driver to deliver your order would be appreciated, e.g. 'deliver next door if out', 'knock loudly bell not working' etc.

There is a space to enter these instructions during the buying process.


If the instruction is such that a signature is not required, e.g. leave in conservatory around the back if out, then this can only be dispatched under the courier instruction "no signature required". In this case, the carrier will not accept any liability. That means should the consignment go missing or get damaged there will be no compensation.

If for any reason your package arrives with signs of damage please sign for the package as damaged.


We thoroughly check all items before despatch and endeavour to ensure that your order is perfect before it reaches you. In the unlikely event that something has gone wrong, or you've changed your mind we're here to help. If you have any issues with your order, we would recommend that you contact us on 01246 432581 or by email at


In the event of an item damaged in transit, you must notify us within 24 hours of receiving the goods, Providing photos of the;

1) consignment label on the external packaging.

2) damage to the external packaging 

3) internal packaging (the damaged goods.)

Failure to do so will result in your claim being refused.


If you find any of the items of your order missing, please contact us within 24 hours so that we can correct our mistake.


If you decide that you placed your order in error, you wish to cancel your order, or you have changed your mind you must notify us within seven days of receiving the goods.

Any items ordered may be returned to us at your expense within ten days from the date that you contacted us.

Please note: We are only able to refund the cost of the goods minus any postage we initially paid. If you return only part of the order, we will only refund the value of the goods returned.

We recommend that you use a tracked secure service for any returns as we cannot accept liability for loss or damage during any return transit.


We are unable to offer refunds on any item that has been made to order or personalised unless it is faulty. This is in accordance with UK law, and your statutory rights are not affected.