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Adveco ADplus Instantaneous Commercial Water Heaters

  • A range of three compact floor-standing commercial instantaneous gas-fired condensing water heaters with built-in storage tank
  • Perfect for all water qualities with a 5-year warranty on burner and heat exchangers

Commercial hot water specialist Adveco, announces the Adveco ADplus range of high-power gas-fired condensing water heaters featuring an integrated 120-litre stainless steel water storage tank for instantaneous continuous and on-demand domestic hot water (DHW). The ADplus is available in three variants – 70 kW, 115 kW and 140 kW rated heat output.

“Designed to provide a compact, high capacity and reliable method for delivering instantaneous hot water to a commercial building, ADplus is a tough all-rounder,” said Bill Sinclair, technical director, Adveco. “It is perfect for a wide range of applications – from small instant demands to large-scale continuous DHW needs. With minimal NOX and CO emissions, the ADplus range is an eco-friendly way to serve your building’s DHW system. The rugged construction, supported by Adveco’s in-house warranty engineers, provides real peace of mind for your investment.”

The 115 kW and 140 kW ADplus variants offer two high-quality heat exchangers. Constructed from corrosive-resistant continuous run titanium-stabilised stainless steel, these provide balanced highly efficient operation and built-in redundancy. Heat is provided by the patented Fecralloy premix burner fed by a consistent balanced air/gas ratio at each point of turndown. The high modulation ratio results in high combustion efficiency with ultra-low NOX and CO emissions. A built-in flue back preventer on the combustion circuit prevents possible flue gas recirculation between different exchangers.

The tough, stainless steel 120-litre 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 extremely compact Adveco ADplus is designed to pass through a standard 65cm wide door for trouble-free installation and offers front access to all inner components for quick, easy maintenance. The integrated cascade controller supports full temperature control and self-check maintenance functions for up to 8 units. The controller accommodates 0-10 input, MODBUS communication, and alarm output for seamless BMS integration.

Additional Information

  • High capacity DHW production
  • Compact floor-standing arrangement
  • High-efficiency pre-mix burner with a five-year warranty
  • Extremely high-quality AISI 316Ti heat exchangers with a five-year warranty
  • Ultra-low NOX emissions, class 6 appliance at 27 mg/kWh
  • CO emissions 19ppm
  • High maximum run pressure up to 11 bar
  • Flue gas non-return valve for overpressure cascade flue systems
  • Standard flue systems using low-cost 110mm diameter PP
  • Available using natural gas or LPG

Read more about the Adveco ADplus instantaneous commercial water heater range 

Adveco AD: Providing Continuity of Service in Soft Water Conditions

• The Adveco AD range of compact commercial semi-instantaneous gas condensing water heaters
• Perfect for applications requiring direct contact with soft and softened water
• Highly efficient modular design offers continuity of service in one appliance.  Or can be deployed as an on-gas system backup for larger-scale heat pumps projects

Commercial hot water specialist Adveco, presents the new AD range for 2022. This latest generation of sleekly designed, modulating commercial floor-standing gas condensing water heaters is conceived to be used with a buffer for high demand semi-instantaneous hot water applications in sports & leisure centres, hotels, spas, schools, stadia, and large commercial buildings.

With each water heater composed of one to four 70 kW heat exchangers, the Adveco AD range offers appliances from 70kW up to 280 kW. This approach optimises the supplied output (up to 160 litres/minute) ensuring maximum efficiency when providing DHW. Models with multiple integrated heat exchangers offer load balancing for optimal long-life operation and inbuilt redundancy guaranteeing continuity of service.

Bill Sinclair, technical director, Adveco said,” As well as the continuity of service seen in individual units, the AD is perfect for integrating into large scale heat pumps systems seen in hotels and hospitality. So long as there is an existing gas connection, AD can be used to provide a cost-effective and easy to accommodate back-up for assured continuity of business-critical water heating.”

Tough and efficient, AD water heaters are all equipped with premix burners made of Fecralloy metal fibre for large modulation range with excellent functionality at extremely high temperatures. Using a premix burner ensures the AD requires less gas, making it more cost-effective, plus reducing harmful NOX and CO emissions.

The titanium-stabilised stainless-steel construction of the AD range’s heat exchangers is the perfect response to counter corrosion typically seen in high-pressure circuits in soft, or softened water applications. The heat exchangers work with an electronically controlled variable stainless steel modulating recirculating pump and two-way motorized valves to ensure a perfect balance between water flow and supplied output.

The AD range can also be configured to operate in a cascade of up to eight water heaters. The AD’s controller provides full temperature control and self-check maintenance functions. The controller also accommodates 0-10 input, MODBUS communication, and alarm output for seamless system integration.

Compact, lightweight yet still powerful, the Adveco AD’s patented space-saving design makes it equally applicable to both new projects or renovation work where a lack of space would traditionally stall or quickly drive up costs of a project.

Additional information
• Five-year warranty on AISI 316Ti heat exchangers with
• 10-year warranty on pre-mix burner
• Compact floor standing arrangement: AD 70T & AD140T H1180xW600xD945mm / AD210T & AD280T M1880xW600xD896mm
• High maximum run pressure up to 11 bar
• Low emissions, built with Class 6 technology for NOₓ at 27 mg/kWh GCV
• Available for natural gas or LPG
• Acid condensate neutraliser included
• Ideal for soft water applications. Hard water areas over 150ppm require use of a water softener down to 100ppm.
• Supports standard flue systems using low cost 110-160 mm diameter PP