How do I know if 27 litres is the right capacity for my operation?

As a rough guide, a 27-litre auto-fill boiler suits cafés, hotel breakfast counters, and staff canteens with moderate-to-steady hot water demand across the day. Because the unit refills automatically from the mains, the headline capacity is less critical than it would be with a manual-fill unit — what matters more is whether the heating element can keep pace with your peak draw rate. If you serve a large number of covers in a short window, it is worth discussing your throughput with us before ordering.

What are the installation requirements for the CTSP27T6?

The unit requires a mains cold water supply connection and a hardwired single-phase electrical supply — it cannot be run from a standard 13-amp plug socket. You will need a qualified plumber to connect the water feed and a qualified electrician for the electrical installation. It is also worth checking available counter depth and the proximity of water and electrical services to your intended position before the unit arrives on site.

Does the built-in filtration system require ongoing maintenance?

Yes — the unit includes integrated filtration with a monitor that tracks usage and prompts a filter change based on actual water throughput rather than a fixed time interval. This helps protect the heating element and internal components from scale build-up and maintains water quality for beverages. Keeping on top of filter changes as prompted is the single most effective way to extend the working life of the boiler.

Instanta CTSP27T6 27 Litre Twin Tap Auto-Fill Water Boiler

Name: Instanta CTSP27T6 27 Litre Twin Tap Auto-Fill Water Boiler
Brand: Instanta
SKU: CTSP27T6
Price: 1238.40 GBP
Availability: InStock

Product No: CTSP27T6

Instanta CTSP27T6 27 Ltr Twin Tap Water product image

Instanta CTSP27T/6 Auto-fill Counter Top Water Boiler with Filter - Advantage Catering Equipment

Product Description

The Instanta CTSP27T6 is a countertop automatic-fill water boiler with twin dispensing taps, designed for continuous hot water delivery in commercial catering environments. It connects directly to the mains water...

Specifications

Capacity (litres): 27
Country of origin: UK
External depth (mm): 555
External height (mm): 610

Downloads

ctsp27t6 specification sheet

Product Description

The Instanta CTSP27T6 is a countertop automatic-fill water boiler with twin dispensing taps, designed for continuous hot water delivery in commercial catering environments. It connects directly to the mains water supply and refills automatically to maintain a constant reservoir, removing the manual topping-up associated with simpler kettle-style units and keeping hot water available throughout the service period.

During busy periods, the twin-tap configuration makes a genuine operational difference. Two members of staff can draw hot water simultaneously, which reduces queuing at the dispense point on a high-volume breakfast service or a busy lunch cover. The boiler sits on a counter or purpose-built stand, and its footprint is compact enough to position close to the point of use without requiring a dedicated service station.

Features that translate into day-to-day operational value include:

Adjustable temperature to suit different beverage and food preparation requirements
Seven-day programmable timer to align the unit with your actual service hours
ECO mode that reduces power draw during quieter periods without manual input
Integrated filtration with a usage-based filter monitor tied to actual throughput
Two-tier diagnostics that surface issues early, before they cause service disruption

Installation requires a mains cold water connection and a hardwired single-phase electrical supply. This is not a plug-and-play unit — a qualified plumber and electrician will be needed for commissioning. It is worth confirming counter depth and proximity to services before ordering.

The CTSP27T6 is well suited to cafés, hotel breakfast operations, staff canteens, and catering kitchens where steady hot water demand runs through the day. For very high-volume or multi-point sites, a larger-capacity unit is worth considering; for lighter-demand environments, a smaller model may represent better value.

If you have questions about whether this capacity fits your service pattern, or want to talk through the installation requirements for your site, the team is glad to help before you go ahead.

Key Features

Mains auto-fill maintains a constant 27-litre hot water reservoir
Twin dispensing taps allow simultaneous draws from one unit
Seven-day programmable timer aligns operation with service hours
Usage-based filter monitor tracks actual throughput, not arbitrary intervals
Two-tier onboard diagnostics flag faults before service is disrupted

Operational Benefits

Eliminates manual refilling, keeping hot water available throughout service
Twin taps reduce wait times during peak breakfast or lunch periods
ECO mode lowers energy use automatically during quieter trading periods
Filter monitor prompts maintenance at the right time, protecting water quality
Early diagnostics reduce the risk of unexpected downtime during busy service

Specifications

Capacity (litres): 27
Country of origin: UK
External depth (mm): 555
External height (mm): 610
External width (mm): 440
Extra information: WRAS approved
Heat-up time: 31 mins
Machine output: 57 Litres per hour
Material: 304 grade Stainless Steel (Superbrush polish)
Power rating (kw): 6
Power type: Single Phase Hardwired
Rapid draw-off ltr: 27
Rear connection clearance mm: 45
Tap clearance to drip tray mm: 200
Temperature range (deg c): 96
Weight (kg): 19.9

Downloads

ctsp27t6 specification sheet

Frequently Asked Questions

: As a rough guide, a 27-litre auto-fill boiler suits cafés, hotel breakfast counters, and staff canteens with moderate-to-steady hot water demand across the day. Because the unit refills automatically from the mains, the headline capacity is less critical than it would be with a manual-fill unit — what matters more is whether the heating element can keep pace with your peak draw rate. If you serve a large number of covers in a short window, it is worth discussing your throughput with us before ordering.
: The unit requires a mains cold water supply connection and a hardwired single-phase electrical supply — it cannot be run from a standard 13-amp plug socket. You will need a qualified plumber to connect the water feed and a qualified electrician for the electrical installation. It is also worth checking available counter depth and the proximity of water and electrical services to your intended position before the unit arrives on site.
: Yes — the unit includes integrated filtration with a monitor that tracks usage and prompts a filter change based on actual water throughput rather than a fixed time interval. This helps protect the heating element and internal components from scale build-up and maintains water quality for beverages. Keeping on top of filter changes as prompted is the single most effective way to extend the working life of the boiler.