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Hi there, I'm Jarvis! I see you're looking at the Commercial Energy Saving Water Boiler | Matt Black | 40L Capacity | Buffalo JA864. How can I help you with the technical specs or suitability for your business today?

Jarvis is an AI assistant and may occasionally provide incorrect details. To ensure your equipment fits and functions perfectly, we recommend verifying all critical specifications-including dimensions, power requirements, and compatibility-with our expert sales team prior to purchase.For orders or stock, call 0333 355 0535

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Buffalo In Stock

Commercial Energy Saving Water Boiler | Matt Black | 40L Capacity | Buffalo JA864

SKU: JA864
£292.02 / exc vat
£350.42/ inc vat
  • Massive 40L Capacity
  • 60% Energy Reduction
  • Double-Wall Insulation
  • Stylish Matt Black Finish

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Features Overview Specifications Case Study Reviews Installation Buying Guide FAQ

Product Overview

Introducing a true workhorse for any bustling establishment, the Buffalo JA864 is more than just a way to boil water; it’s a smart investment in efficiency and  style. Designed for constant, heavy-duty use, this unit provides a massive 40 litres of piping hot water on demand, all while wrapped in a sophisticated matt black finish that looks brilliant front-of-house.

This commercial energy saving water boiler is the perfect solution for businesses that need high volumes of hot water without the high energy bills. From community halls and  busy office canteens to mobile catering vans and  event spaces, its huge capacity and  remarkable efficiency make it a standout choice. The double-walled, insulated construction is the secret to its success, using up to 60% less energy than comparable models, which translates to serious savings over the year.

Ultimately, the Buffalo 40 litre water boiler is engineered to make your life easier. With user-friendly features like a clear water gauge, an easy-clean concealed element, and  enhanced safety from non-slip feet and  a thermal reset, it’s built for performance you can rely on day in, day out. Get ready to serve the masses and  slash your running costs at the same time.

Key Features and  Benefits

  • Massive 40L Capacity: Always have plenty of hot water for busy periods.
  • 60% Energy Reduction: Slashes your electricity bills with superior insulation.
  • Double-Wall Insulation: Keeps water hotter for longer, reducing re-boiling cycles.
  • Stylish Matt Black Finish: Looks professional and  hides fingerprints in customer-facing areas.
  • Clear Water Gauge: Lets you see exactly when it’s time to top up.
  • Heavy-Duty Build: Built to withstand the demands of a commercial kitchen.
  • Concealed Element: Makes cleaning and  descaling the boiler incredibly simple.
  • External Thermal Reset: Protects the boiler from damage if it accidentally boils dry.

Technical Specifications

  • Brand: Buffalo
  • SKU: JA864
  • Capacity: 40 Ltr
  • Dimensions: 644(H) x 432(W) x 490(D) mm
  • Power: 2.6kW
  • Plug Type: 13 amp (Single Phase)
  • Colour: Matt Black
  • Material: Double-Wall Stainless Steel
  • Special Feature: Uses 60% less energy
  • Controls: Dial

Expert Review and  Insights

The Buffalo brand is synonymous with no-nonsense, reliable gear, and  this boiler is a prime example. What’s impressive is how they’ve combined sheer volume with genuine energy-saving tech. The matt black finish is a smart touch, moving it from a purely functional back-of-house item to something you wouldn’t mind having on a self-service counter. It’s a solid, dependable bit of kit.

Oliver Bennett – Catering Equipment Expert View Profile →

  • Pro: The energy saving is no gimmick; it makes a real financial difference.
  • Con: Its 40-litre size means it has a significant footprint on the countertop.

Case Study: Real Business, Real Results

The ‘Knot & Grain’ woodworking social enterprise in Glasgow needed to upgrade the small, inefficient water boiler in their communal workshop kitchen. Their old unit was constantly being refilled and  was a major drain on their electricity, impacting the charity's running costs.

"We host dozens of members a day, and  the tea round is a vital part of our community feel. The new Buffalo matt black water boiler not only keeps up with demand, but it looks fantastic and  professional in our shared space. It's quiet, efficient, and  just gets the job done without any fuss."

Robert McGregor – Workshop Manager

After installing the Buffalo JA864, they measured a noticeable drop in their utility bills, contributing to a reduction of over £200 in their annual energy costs.

Installation and  Maintenance Guide

Setting It Up

  • Position the boiler on a flat, stable, and  water-resistant surface, away from the edge of the counter.
  • Before first use, fill with cold water and  boil it, then discard the water to clean out any manufacturing residues.
  • Ensure the 13-amp plug has easy access to a suitable socket and  the cable is not a trip hazard.
  • Fill the urn using the water gauge as a guide, making sure not to overfill past the 'MAX' line.

Keeping It Going

  • Descale the boiler regularly, especially in hard water areas. This improves efficiency and  prolongs its life.
  • To clean the outside, simply wipe the matt black surface with a damp cloth. Avoid abrasive scourers.
  • Routinely check that the non-drip tap is clear of any limescale build-up for a smooth pour.
  • If the unit cuts out, allow it to cool before using the external thermal reset button on the base.

Buying Guide: Choosing the Right Water Boiler

Not sure which model is the best fit for your needs? Here are a few key things to consider when choosing your next commercial hot water urn.

Capacity vs. Demand

How many people do you serve at peak time? A 10L boiler is fine for a small office, but a catering hot water urn 40L like this one is essential for events, busy cafés, and  canteens.

Heat-Up Time & Power

A higher wattage (kW) generally means a faster initial heat-up time. Consider how quickly you need a full tank of water ready to go from cold.

Fixed or Portable?

Do you need to move the boiler between locations? Look for sturdy handles and  manageable weight. For fixed locations, focus on footprint and  stability.

Energy Efficiency

A standard boiler is a big energy user. An insulated model might cost more initially but will save you significant money on electricity bills in the long run.

Ease of Cleaning

Look for features like a concealed element and  a wide opening. This makes the crucial task of descaling much quicker and  easier for your staff.

See all Electric Water Boilers

Frequently Asked Questions

Q: How long does it take to boil a full 40 litres?

A: From cold, a full 40-litre tank will take approximately 80-90 minutes to reach boiling point, depending on the starting temperature of the water.

Q: Is the outside of the boiler safe to touch?

A: Thanks to the double-wall insulation, the exterior remains significantly cooler than a single-wall boiler, but it will still be warm. Always use the handles to move it.

Q: Can I use this for things other than water, like soup or mulled wine?

A: No, this unit is designed as a Buffalo 40L commercial hot water dispenser only. Using it for other liquids can damage the element and  tap mechanism.

Q: How often should I descale it?

A: This depends entirely on your local water hardness. In hard water areas, aim for once a month. In soft water areas, every 2-3 months should be sufficient.

Q: What does the external thermal reset button do?

A: It's a safety feature. If the boiler is accidentally switched on with no water inside, it will automatically shut off to prevent damage. This button allows you to reset it once it has cooled down.

Q: Is the matt black finish durable?

A: Yes, the finish is designed for commercial environments. It's tough and  has the added benefit of hiding fingerprints and  water marks better than polished stainless steel.

Q: What kind of plug does it use?

A: It is fitted with a standard UK 3-pin, 13-amp plug, so it can be used in any standard mains socket.

Q: Can I leave it on all day?

A: Absolutely. It's designed for continuous operation. The excellent insulation means it will efficiently maintain the water temperature throughout the day without constantly using power.

What Customers Are Saying

"An absolute beast! We use this for our breakfast service and  it never lets us down. The energy saving is a massive bonus for a small business like ours."

Sarah Jones – B&B Owner, Pembrokeshire

"Finally, a boiler that can handle our Sunday morning rush. The matt black finish looks much smarter than our old stainless steel one. Very happy."

Mike Williams – Café Manager, Bristol

"Bought for our large office and  it's been brilliant. It's on all day and  the insulation really works, you can feel it's not constantly clicking on and  off."

Laura Chen – Office Manager, Leeds

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The Buffalo Promise: Reliability for the Daily Grind

When you choose a Buffalo product, you're investing in more than just a piece of equipment; you're investing in peace of mind. For years, Buffalo has been a cornerstone of British commercial kitchens, known for producing robust, no-frills hardware that simply works. This Buffalo matt black water boiler embodies that philosophy. It's not designed with fleeting trends in mind, but with the harsh reality of a busy service environment. The long-term value isn't just in the energy savings—it's in the reduced downtime, the consistent performance that your staff can depend on, and  the sheer durability that means you won't be looking for a replacement in a year's time. It’s the confidence of knowing that when you have a queue of customers waiting for a hot drink, your boiler is one thing you don't have to worry about.

Explore more from Buffalo

How Double-Wall Insulation Slashes Your Energy Bills

Ever wondered how a modern flask keeps your coffee piping hot for hours? This Buffalo large capacity water boiler uses the exact same principle. 'Double-wall insulation' simply means there's a gap between the inner tank holding the hot water and  the outer black casing. This gap acts as a barrier, dramatically slowing down heat from escaping.

Think of it like putting a warm coat on your boiler. Because it loses heat so slowly, the heating element doesn't need to switch on as often to keep the 40 litres of water at temperature. This 'less work' directly translates into 'less electricity used'—up to 60% less, in fact. It’s a simple but incredibly effective piece of engineering that saves you real money every single day you use it.

Who Should Buy This?

  • Community Centres & Village Halls: Perfect for serving tea and  coffee during events, fundraisers, and  community gatherings without a huge electricity bill.
  • Mobile Caterers & Event Stalls: The huge capacity ensures you can serve crowds at festivals and  markets without needing to constantly refill.
  • Construction Site Offices: Provides the whole team with hot drinks throughout the day, built tough enough to handle a demanding environment.
  • Large Office Canteens: Easily handles the morning rush and  lunch break peaks, keeping staff happy and  hydrated efficiently.
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