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Hi there, I'm Jarvis! I see you're looking at the Commercial Energy Saving Water Boiler | Hot Water Dispenser | 20L Matt Black | Buffalo JA862. How can I help you with the technical specs or suitability for your business today?

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Commercial Energy Saving Water Boiler | Hot Water Dispenser | 20L Matt Black | Buffalo JA862

SKU: JA862
£231.18 / exc vat
£277.42/ inc vat

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  • Energy Saving Design
  • 20 Litre Capacity
  • Double-Wall Insulation
  • Stylish Matt Black Finish
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Features Overview Specifications Case Study Reviews Installation Buying Guide FAQ

Product Overview

On the hunt for a dependable way to keep hot water flowing without watching your energy meter spin? Meet the Buffalo JA862, a commercial-grade water boiler that combines a generous 20-litre capacity with seriously impressive energy-saving credentials, all wrapped up in a sleek, modern design.

It’s a perfect match for bustling cafés, busy office canteens, village halls, and  mobile caterers. The stylish matt black finish means it looks fantastic on any front-of-house counter, avoiding the usual smudges and  fingerprints of stainless steel. But don't let its good looks fool you; this is a tough, reliable unit built to handle the non-stop demands of a commercial environment.

Featuring remarkable double-wall insulation that can slash energy consumption by up to 60%, a handy water-level gauge, and  fuss-free controls, this Buffalo energy saving water boiler 20Ltr makes serving hot drinks for a crowd simple, stylish, and  much more affordable. It's the smart upgrade your setup has been waiting for.

Key Features and  Benefits

  • Energy Saving Design: Slashes running costs, saving up to £270 per year.
  • 20 Litre Capacity: Serves plenty of hot drinks without constant refilling.
  • Double-Wall Insulation: Keeps water hotter for longer, reducing re-boiling cycles.
  • Stylish Matt Black Finish: Looks smart and  professional on any customer-facing countertop.
  • Concealed Element: Makes the descaling and  cleaning process incredibly simple.
  • Clear Water Gauge: Lets you see exactly how much water is left instantly.
  • Non-Slip Feet: Stays securely in place on the worktop, preventing spills.
  • Thermal Safety Reset: Protects the boiler from damage if it runs dry.

Technical Specifications

  • Brand: Buffalo
  • SKU: JA862
  • Capacity: 20 Ltr
  • Dimensions: 587(H) x 375(W) x 380(D) mm
  • Power: 2.6kW / 13A Plug (Single Phase)
  • Weight: 4.5kg (approx.)
  • Colour: Matt Black
  • Key Feature: Double-Wall Insulation
  • Material: Stainless Steel

Expert Review and  Insights

Buffalo has really hit the mark here. It’s not just about boiling water; it’s about doing it efficiently and  looking good in the process. The double-wall insulation is a genuine cost-saver for any business, and  the matt black finish is a welcome, practical alternative to standard steel. It’s a solid, reliable workhorse for any catering operation.

Oliver Bennett – Catering Equipment View Profile →

  • Real-World Savings: The energy efficiency isn't just a claim; it genuinely cuts costs.
  • Manual Fill Only: Lacks a plumbed-in option, so it needs topping up during busy periods.

Case Study: Real Business, Real Results

The Corner Plot Cafe in York needed to replace their old, inefficient water boiler which was hiking up their electricity bills and  struggled to keep up during the morning rush.

"We noticed the difference in our energy bills within the first month. The Buffalo boiler holds its temperature so well, meaning it’s always ready to go. The matt black finish is a bonus – it looks so much smarter on our counter than the old silver one."

Mark Thompson – Owner

By switching, they reduced their energy consumption for hot water by over 50% and  can now serve customers faster during peak hours.

Installation and  Maintenance Guide

Setting It Up

  • Place the boiler on a flat, stable, and  water-resistant surface away from the edge.
  • Before the first use, we recommend filling, boiling, and  discarding the first batch of water to rinse the interior.
  • Ensure the power cable is not stretched taut, kinked, or positioned where it could be a trip hazard.
  • To prevent damage, never switch the unit on when it is empty.

Keeping It Going

  • Regularly wipe the matt black exterior with a soft, damp cloth to keep it looking pristine.
  • Descale the boiler frequently (monthly in hard water areas) to maintain performance and  efficiency.
  • Periodically check the non-drip tap and  lid seal for any signs of wear and  tear.
  • Always unplug the unit from the wall and  allow it to cool down completely before you start cleaning it.

Buying Guide: Choosing the Right Water Boiler

Not sure which water boiler is the best fit for your business? Here are a few key things to think about.

Consider Your Capacity

Think about your busiest hour. A 20-litre model is great for steady demand, but a large event space might need a 30-litre or plumbed-in unit to avoid queues.

Manual Fill vs. Plumbed-In

Manual fill boilers like this one offer fantastic portability and  simple setup. Plumbed-in models are better for fixed, high-volume locations where you never want to worry about refilling.

Look at Energy Efficiency

A boiler is on for hours at a time. An energy-efficient model with good insulation may cost a little more upfront, but it will save you hundreds on electricity over its lifetime.

Front or Back of House?

If your customers are going to see it, a stylish finish like this matt black model makes a much better impression than a standard, purely industrial-looking machine.

Ease of Cleaning

Look for features like a concealed element. It prevents limescale from building up directly on the heating component, which makes the essential job of descaling much faster and  easier.

See all Electric Water Boilers

Frequently Asked Questions

Q: How long does it take to boil a full 20 litres from cold?

A: From cold, it typically takes around 45-55 minutes to bring a full 20-litre tank to boiling point.

Q: Is the temperature adjustable?

A: This is a dedicated water boiler, not a variable temperature urn. It is designed to heat water to near-boiling and  keep it there efficiently.

Q: Can I use this for soup or mulled wine?

A: No, this unit is designed for heating water only. Using other liquids will damage the internal components and  is not recommended.

Q: What does the thermal safety reset button do?

A: If the unit is ever switched on without water, it will automatically shut down to prevent damage. The reset button lets you safely restart it once it has cooled and  been refilled.

Q: How often should I descale it?

A: This depends on your water hardness. In hard water areas, we suggest descaling every 1-2 months to keep it working efficiently. If it gets louder or slow to boil, it's time.

Q: Does the lid lock for safety?

A: Yes, the lid has a secure twist-to-lock mechanism to prevent accidental removal and  spills, which is great for busy environments.

Q: What kind of tap does it have?

A: It has a two-way, non-drip tap. You can pull it down for a controlled pour or lock it in place for continuous flow when filling large teapots or containers.

Q: Is it heavy to move for cleaning?

A: When empty, the unit weighs around 4.5kg, making it relatively easy to move to a sink for cleaning and  refilling.

What Customers Are Saying

"Absolutely brilliant bit of kit. Heats up quickly and  the energy saving is noticeable. A must-have for any small catering business."

David L. – Mobile Pizza Van, Bristol

"Looks really smart in our office kitchen and  does the job perfectly. Only minor point is you have to be careful not to overfill it using the gauge."

Sarah Jenkins – Office Manager, Manchester

"Sturdy, reliable, and  easy to clean. We use it in our church hall for functions and  it's never let us down. Great value."

Rev. Alan Firth – Community Hall, Perth

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The Buffalo Advantage: Reliability You Can Count On

Investing in a piece of Buffalo equipment is about more than just its immediate function; it's a decision for long-term reliability. For years, Buffalo has been a cornerstone brand in UK commercial kitchens, known for producing no-nonsense, durable gear that stands up to the rigours of daily service. This Buffalo matt black water boiler is a perfect example. Beyond the impressive energy savings, its heavy-duty construction means fewer worries about breakdowns during a busy lunch rush. The concealed element not only simplifies cleaning but significantly extends the unit's lifespan by protecting it from limescale damage. This focus on practical, robust design is why caterers, from small cafes to large canteens, trust Buffalo to deliver consistent performance day in, day out, safeguarding their operations and  their bottom line.

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How Double-Wall Insulation Slashes Your Energy Bills

Think of this energy efficient commercial water boiler like a top-quality thermal flask, but for your kitchen. A standard boiler has just one layer of metal, allowing heat to escape easily into the room. This forces the heating element to constantly switch on and  off to keep the water hot, wasting electricity. This Buffalo boiler, however, has two layers of stainless steel with an insulating layer trapped between them. This barrier dramatically slows down heat loss, keeping the water piping hot for much, much longer. The result? The boiler works far less often to maintain its temperature, which is how it directly cuts your energy use by up to 60%.

Who Should Buy This?

  • Busy Cafes & Coffee Shops: Keep a constant supply of hot water ready for teas and  Americanos during the morning rush.
  • Office Canteens & Staff Rooms: A reliable and  highly efficient solution for the daily tea round for the whole team.
  • Community Centres & Village Halls: Perfect for serving large groups with ease during events, meetings, and  local functions.
  • Mobile Caterers & Event Stands: Its robust, portable design makes it an essential bit of kit for catering on the go.
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