Instanta WMSP25 25 Litre Wall Mounted Auto Fill Water Boiler
Product Description
The Instanta WMSP25 is a 25-litre wall-mounted auto-fill water boiler built for continuous hot water demand in commercial foodservice environments. It draws directly from the mains supply, heats water to...
Specifications
- Capacity (litres)
- 25
- Country of origin
- UK
- External depth (mm)
- 304
- External height (mm)
- 596
Product Description
The Instanta WMSP25 is a 25-litre wall-mounted auto-fill water boiler built for continuous hot water demand in commercial foodservice environments. It draws directly from the mains supply, heats water to a set temperature, and holds it ready for use — removing the need to manually fill or monitor the unit during service.
In busy kitchens, tearooms, hotel back-of-house areas, and staff canteens, this type of unit earns its place by keeping hot water available throughout the day without occupying counter or floor space. The wall-mounted format is particularly useful where worktop real estate is limited, and the single-tap dispense point suits operations where one consistent draw point is practical — drinks preparation, hot water for cooking, or cleaning tasks. The programmable timer allows the unit to come up to temperature before service begins and power down during closed periods, which supports sensible energy management without requiring manual intervention from staff.
From an operational standpoint, the key practical advantages are:
- Wall-mounted installation frees up counter and floor space
- Auto-fill operation removes the need for manual refilling during service
- Programmable timer aligns running hours with actual service periods
- Adjustable temperature control suits different beverage and food preparation needs
- Filter change indicator and onboard diagnostics help maintain water quality and reduce unplanned downtime
Installation requires a mains cold water connection and an appropriate electrical supply — a hardwired connection is generally recommended for a unit of this type, and the installation point should be accessible for periodic filter servicing. The wall fixing needs to be solid enough to bear the weight of the unit when full. Ceiling clearance and proximity to a drain for servicing are worth considering at the planning stage.
The WMSP25 is well suited to cafés, hotel serveries, workplace canteens, schools, and smaller restaurant operations where consistent hot water demand is steady rather than extremely high volume. For sites with significantly higher throughput requirements or multiple draw points, a larger-capacity unit may be more appropriate — equally, smaller operations with modest demand may find a lower-capacity model a better fit.
If you're unsure whether this model suits your service volume or installation setup, the team is happy to talk it through with you before you commit.
Key Features
- 25-litre auto-fill capacity with direct mains water connection
- Programmable timer schedules operation around service hours
- Adjustable temperature control for varied beverage and food applications
- Filter change indicator alerts staff when maintenance is required
- Onboard diagnostics system supports straightforward fault identification
Operational Benefits
- Frees up counter and floor space with wall-mounted installation
- Eliminates manual refilling, reducing staff workload during busy service
- Timer control reduces energy consumption outside of operating hours
- Consistent water temperature supports reliable drinks and food preparation
- Filter and diagnostic alerts help avoid unexpected downtime mid-service
Specifications
- Capacity (litres)
- 25
- Country of origin
- UK
- External depth (mm)
- 304
- External height (mm)
- 596
- External width (mm)
- 410
- Extra information
- WRAS approved
- Heat-up time
- 62 (3kW) - 32 (6kW) minutes (full tank capacity)
- Machine output
- 28 (3kW) - 57 (6kW) Litres
- Material
- 304 grade stainless steel
- Power rating (kw)
- 3
- Power type
- 13amp Plug
- Rapid draw-off ltr
- 25
- Tap protrusion
- 90
- Temperature range (deg c)
- 80 - 98
- Weight (kg)
- 17.1
Frequently Asked Questions
- A 25-litre auto-fill boiler is well suited to moderate-volume operations — a café, hotel servery, or workplace canteen with steady but not extreme demand. Because the unit refills and reheats continuously, the effective output over a full service is considerably greater than the tank size suggests, but sites with very high simultaneous draw, such as large event catering or high-volume restaurant breakfast service, may benefit from a larger-capacity model.
- The unit requires a mains cold water supply connection and an electrical supply — a hardwired connection is generally recommended over a standard 13-amp plug for a boiler in continuous commercial use, though your installer or a qualified electrician should confirm the appropriate setup for your site. The wall fixing point needs to support the weight of the unit when full, and you should plan for access to the filter and internal components for routine servicing.
- The timer allows you to set the boiler to reach operating temperature before your service begins and to power down automatically once service ends, so the unit is not holding water at temperature through the night or during extended closed periods. Over the course of a week this can make a meaningful difference to energy consumption compared with leaving the unit running continuously.