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ADplus Commercial Instantaneous Water Heater
ADplus Commercial Instantaneous Water Heater

ADplus Commercial Instantaneous Water Heater

The Adveco ADplus commercial instantaneous water heater offers a range of high-power gas-fired condensing water heaters featuring an integrated 120-litre stainless steel water storage tank for continuous and on-demand hot water (DHW) for a wide range of commercial applications.

The Adveco ADplus range is also compatible with proposed 20% hydrogen blends in natural gas networks offering a transitional route to a more decarbonised energy without requiring physical alteration to the appliance or building.

WRAS approved product

Features & Key Technologies

Options

With each water heater composed of a built-in 120litre storage tank and single or dual heat exchangers, the ADplus range offers three appliances, 70kW, 115kW and 140 kW, which can also be configured to operate in a cascade of up to eight water heaters.

Heat is provided by the patented Fecralloy premix burner with a high modulation ratio for excellent functionality at extremely high temperatures whilst also offering maximum efficiency even during periods of low demand. With a consistent balanced air/gas ratio in each point of turndown, ADplus boasts high combustion efficiency requiring less gas, making it more cost-effective, plus reducing harmful NOₓ and CO emissions making the AD range a more eco-friendly choice.

A built-in flue back preventer on the combustion circuit prevents possible flue gas recirculation between different exchangers.

Constructed from a corrosive-resistant continuous run of titanium-stabilised stainless steel, the 115 and 140 models with multiple integrated heat exchangers offer load balancing for optimal long-life operation and inbuilt redundancy guaranteeing continuity of service. Their titanium-stabilised stainless-steel construction makes the heat exchangers highly resilient; this enables direct contact with chlorinated mains water and use in naturally soft water areas where the corrosive nature of mains water can rapidly damage other water heaters.

Perfect for a wide range of applications – from small instant demands to large-scale continuous DHW needs – ADplus is a powerful choice for the most demanding instantaneous hot water applications typically seen in sports and leisure centres, hotels, spas, schools, stadia, and other large commercial buildings.

The tough, stainless steel 120 litres storage tank is provided with electronic anodic protection and high-quality polyurethane thermal insulation. This enables the ADplus to serve as a semi-storage system, providing always available and instantaneous supply with quick recovery times for continuous provision of DHW.

For on-demand needs, ADplus heats what is necessary, with no ignition for smaller withdrawals providing considerable energy savings. When heat is required, the condensing technology provides up to 30% savings in fuel consumption.

To reduce acidity build-up caused by the condensing process, the ADplus is equipped with a condensate acidity neutraliser, specifically sized to restore tolerable pH values.

With the anti-corrosive construction, ADplus can be used with soft and softened water. For harder water, the recirculating pump regulates the correct water flow according to inlet water hardness helping to prevent the formation of limescale on the heat exchanger surface, ensuring high performance throughout its life cycle.

The Adveco ADplus commercial instantaneous water heater range features an inbuilt controller with LCD display that ensures full temperature control, plus cascade control for up to 8 units and a maintenance self-check of primary components and functions, 0-10 input, MODBUS communication and alarm output for seamless system integration.

Download the ADplus Range brochure

The Adveco ADplus brochure provides you with a quick and easy reference guide to this range of compact and highly efficient, floor-standing instantaneous condensing gas water heaters.

Technical Specifications & Downloads

Model
ADplus 70
ADplus 115
ADplus140
Gross Heat Input (min/max) kW
16.3 / 77.6
13.3 / 128.3
16.3 /155.4
Heat Output (min/max) kW
15.6 / 74.0
12.8 / 121.7
15.6 /148.0
DHW Recovery (ΔT 50°C) l/h
1270
2102
2534
Dimensions H x W x D
1815 x 600 x 706
1815 x 600 x 706
1815 x 600 x 706
NOX mg/kWh GCV
27
28
27
CO ppm
19
19
19

Product brochure download

 
Adveco Product Guide 2023 - Hot water, heating, renewables, pre-packaged plant rooms for bespoke commercial projects
 

Why Choose Adveco

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50 Years

Adveco Ltd. is the independent hot water specialist for the commercial built environment and has historically traded as A.O. Smith Water Heaters in the UK.

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Highest quality products and services

We prioritise our clients’ needs to deliver bespoke, practical systems.

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Full aftersales support

Maintenance and service packages, commissioning, spares, warranty and technical support for your application.