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Jarvis

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Hi there, I'm Jarvis! I see you're looking at the Wall Mounted Water Boiler | Commercial Hot Water Dispenser | 3L Capacity | Instanta WMSP3 WM3SS. 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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Instanta In Stock

Wall Mounted Water Boiler | Commercial Hot Water Dispenser | 3L Capacity | Instanta WMSP3 WM3SS

SKU: WM3SS
£713.99 / exc vat
£856.79/ inc vat
  • Integral 7-Day Programmable Timer
  • Energy-Saving ECO Mode
  • Rapid 3L Draw Off
  • 28 Ltrs/Hour Output

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Features Overview Specifications Case Study Reviews Installation Buying Guide FAQ

Product Overview

Fed up with the constant queue for the kettle in your staff room or waiting area? The Instanta WMSP3 WM3SS is a brilliant, space-saving solution that delivers instant hot water exactly when you need it. This compact unit mounts directly to your wall, freeing up precious counter space while providing a steady stream of hot water for teas, coffees, and  snacks, making it an essential bit of kit for any busy workplace.

Designed with efficiency in mind, this commercial wall mounted water boiler is perfect for offices, small cafés, community centres, and  workshops. It’s not just about convenience; it’s packed with smart features like a seven-day timer and  an energy-saving ECO mode to keep your electricity bills in check. Its robust stainless steel construction means it’s built to withstand the rigours of daily commercial use, looking smart and  professional for years to come.

With intelligent diagnostics that warn you about scale build-up and  a programmable filter change indicator, maintenance is an absolute doddle. If you’re looking for a reliable, fuss-free way to keep the hot drinks flowing and  your team happy, the Instanta wall mounted water boiler is the clever investment your premises has been waiting for.

Key Features and  Benefits

  • Integral 7-Day Programmable Timer: Set it to save energy during weekends or overnight.
  • Energy-Saving ECO Mode: Reduces running costs during quieter periods automatically.
  • Rapid 3L Draw Off: Instantly serves multiple cups without any waiting around.
  • 28 Ltrs/Hour Output: Easily copes with busy periods like lunch or tea breaks.
  • Intelligent Scale Warning: Tells you when it needs descaling, protecting the machine.
  • Programmable Temperature: Set it between 80°C - 98°C for perfect brews.
  • Comprehensive Diagnostics System: Makes troubleshooting simple and  minimises any potential downtime.
  • Heavy-Duty Stainless Steel Case: Incredibly durable, easy to clean, and  looks professional.

Technical Specifications

  • Brand: Instanta
  • SKU: WM3SS
  • Dimensions: 452(H) x 314(W) x 215(D) mm
  • Capacity: 3 Ltr
  • Power: 3kW, 13 Amp Plug (Single Phase)
  • Temperature Range: 80°C to 98°C
  • Weight: 9.4kg
  • Material: Stainless Steel
  • Hourly Output: 28 Ltr
  • Colour: Silver
  • Functions: 7-Day Timer, ECO Mode, Scale Warning

Expert Review and  Insights

The Instanta WM3SS is a real workhorse in a compact package. It’s a classic for a reason: it does the simple job of providing hot water exceptionally well, but with modern, clever features. The programmable timer and  ECO mode are genuinely useful for managing energy costs, and  its wall-mounted design is a massive win for smaller kitchens where every inch of counter space is gold.

Oliver Bennett – Catering Equipment View Profile →

  • Pros: Excellent energy-saving features and  a very tidy, space-saving footprint.
  • Cons: The 3-litre rapid draw-off is best suited for small to medium-sized teams.

Case Study: Real Business, Real Results

The Old Library, a community hub in Frome, Somerset, needed to replace its collection of ageing, slow domestic kettles in their volunteer kitchen. They were struggling to cater for events and  keep up with demand during busy drop-in sessions, wasting both time and  energy.

"The Instanta boiler has been brilliant. It’s neat, tidy on the wall, and  always ready to go. Our volunteers can make a round of teas in seconds instead of minutes, which means more time spent with our visitors. It just works, plain and  simple."

David Williams – Facilities Manager

The upgrade immediately cut down on queues and  improved service speed, increasing their capacity to serve hot drinks during peak times by over 100%.

Installation and  Maintenance Guide

Setting It Up

  • Ensure the unit is mounted on a solid, secure wall capable of supporting its weight when full.
  • This boiler must be plumbed into the mains water supply; we recommend using a qualified plumber.
  • Position it with enough clearance for easy access to controls and  for filling cups and  teapots below.
  • Once installed, run a couple of full cycles to flush the system through before first use.

Keeping It Going

  • Wipe the stainless steel exterior daily with a soft, damp cloth to keep it looking pristine.
  • Pay attention to the scale warning! Descale the unit regularly, especially in hard water areas, to maintain efficiency.
  • Check the filter indicator and  be ready to change the water filter as programmed to ensure great-tasting water.
  • Keep the area around the dispenser clean and  clear of any clutter for safety and  hygiene.

Buying Guide: Choosing the Right Commercial Water Boiler

Not sure what fits best? Here are a few key things to consider when picking your perfect hot water dispenser.

Capacity & Usage

Consider how many people will use it and  when. A small office needs less capacity than a busy canteen. This 3L model is great for up to 20 people.

Countertop vs. Wall-Mounted

If counter space is at a premium, a wall-mounted unit like this one is a fantastic space-saver that keeps work surfaces clear.

Energy Efficiency

Look for features like programmable timers and  ECO modes. They might cost a little more initially but save you a bundle on electricity bills in the long run.

Water Supply & Filtration

All plumbed-in units need a mains water connection. If you're in a hard water area, a model with built-in filtration or a clear descaling process is essential.

Ease of Maintenance

Models with diagnostic systems and  scale warnings make life much easier, helping you keep the machine in top condition with minimal fuss.

See all Wall Mounted Water Boilers

Frequently Asked Questions

Q: Can I adjust the water temperature?

A: Yes, you can program the temperature to be anywhere between 80°C and  98°C, which is ideal for different types of tea and  coffee.

Q: How many cups can it dispense at once?

A: The rapid draw-off capacity is 3 litres, which is enough for about 12-15 cups of tea or coffee in one go before it starts to reheat.

Q: What is the ECO mode for?

A: The ECO mode learns your usage patterns or can be programmed to reduce the volume of water held at temperature during quiet periods, saving energy.

Q: Does it need to be plumbed into the mains?

A: Yes, this is an automatic-fill wall mounted catering water boiler and  requires a permanent connection to your cold water supply.

Q: How do I know when to descale it?

A: The boiler has an intelligent diagnostics system that will display a warning on the screen when it detects scale build-up is affecting performance.

Q: Is the 7-day timer easy to set up?

A: Absolutely. The digital display and  controls are very intuitive, allowing you to easily set on/off times for each day of the week.

Q: What kind of plug does it come with?

A: It is supplied with a standard 13 Amp, 3-pin UK plug, so it can be plugged into any regular socket.

Q: Is it suitable for customer self-service?

A: Yes, its simple tap mechanism and  sturdy design make it perfectly suitable for self-service areas in places like waiting rooms or breakfast buffets.

What Customers Are Saying

"An absolute must for our office. No more arguments over who's boiling the kettle next. It's been running for a year without a single issue."

Sarah L. – Accountancy Firm, Manchester

"Great piece of kit for our waiting room. The ECO mode is a nice touch, and  it's surprisingly quiet. Much better than our old one."

Tom P. – Dental Practice, Cardiff

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The Instanta Promise: Reliability in Every Drop

When you choose Instanta, you're not just buying a piece of equipment; you're investing in decades of British engineering excellence. Instanta has built a rock-solid reputation for creating some of the most durable and  reliable water boilers in the industry. These units are designed from the ground up to handle the demands of a commercial environment, meaning fewer breakdowns, less maintenance hassle, and  a longer operational life. The value isn't just in the immediate convenience but in the long-term peace of mind. Knowing your Instanta instant hot water dispenser will be ready to perform day-in, day-out allows you to focus on what really matters: running your business. It’s this commitment to quality and  longevity that makes Instanta a trusted name in kitchens, canteens, and  staff rooms across the UK.

Explore more from Instanta

Save Energy Without Thinking: The Smart 7-Day Timer Explained

Ever wished your appliances knew your business hours? That's exactly what the integral seven-day timer on this Instanta WM3SS automatic water boiler does. Think of it like the central heating timer in your house, but for your hot water. You can program it to switch on just before your team arrives on Monday morning and  turn off automatically after you close on Friday, staying in a low-energy state all weekend.

This means you're not paying to keep water at 98°C when there's nobody there to drink it. It’s a simple, set-and-forget feature that directly translates into lower electricity bills without you or your staff having to lift a finger. It’s the definition of working smarter, not harder.

Who Should Buy This?

  • Offices & Staff Rooms

    Perfect for providing instant hot drinks for staff, eliminating kettle queues and  boosting workplace morale.

  • Village Halls & Community Centres

    A reliable and  safe source of hot water for events, meetings, and  community gatherings without hassle.

  • Small Cafés & Bistros

    Ideal as a secondary hot water source for teas and  infusions, freeing up the coffee machine.

  • Workshops & Garages

    Offers a quick, clean way to make a brew in a busy, hands-on industrial or trade environment.

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