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Gas boiler HEATMASTER 45 EVO 2
combicommercialresidential

Gas boiler - HEATMASTER 45 EVO 2 - ACV - combi / commercial / residential
Gas boiler - HEATMASTER 45 EVO 2 - ACV - combi / commercial / residential
Gas boiler - HEATMASTER 45 EVO 2 - ACV - combi / commercial / residential - image - 2
Gas boiler - HEATMASTER 45 EVO 2 - ACV - combi / commercial / residential - image - 3
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Characteristics

Power source
gas
Type
combi
Sector
residential, commercial
Interior/exterior use
indoor
Other characteristics
condensing, with integrated storage tank
Certifications
class A
Power

44.1 kW

Length

600 mm
(24 in)

Width

708 mm
(28 in)

Height

1,780 mm
(70 in)

Weight

177 kg
(390.2 lb)

Water heater capacity

196 l
(51.8 gal)

Description

Overview
  • Commercial condensing combi boiler combining space heating and large-capacity domestic hot water production using a stainless-steel Tank-in-Tank storage system.
  • Fuel: Natural Gas or LPG (supplied with LPG conversion kit).
  • Operates in condensing mode for both heating and DHW; ErP Class A; NOx weighted 33.2 mg/kWh (EN15502).
  • High DHW performance: peak flow 451 L/10' (40°C), first hour 1610 L/60', continuous 1390 L/h (40°C).
  • Integrated ACVMax control with ACVMax Touch panel, internal timer (up to 6 programmes) and multiple control options.
  • Integrated legionella protection; BIM and CAD objects available for design integration.


Main components
  • Concentric flue/air inlet box and flue exhaust tube.
  • Combustion chamber and modulating air/gas premix burner with fan.
  • Stainless-steel condensing heat exchanger and Tank-in-Tank DHW vessel.
  • High-efficiency circulator pump, condensate recovery dish and thermal insulation.
  • Sensors: NTC1 (CH supply), NTC2 (CH return), NTC5 (flue gas) and DHW tank dry well (dip tube with temperature sensor).
  • Electrical panel with spare fuses, gas valve, safety valves, automatic air vent and DHW recirculation tube.


Control & connectivity
  • ACVMax Touch control panel with alarms and programming functions.
  • Control options: On/Off, 0-10 V modulation, OpenTherm (where applicable) and Modbus for BMS integration.
  • Internal clock with capability to set up to 6 programmes within 24 hours.


Applications
  • Designed for high-demand and critical DHW installations: hotels, hospitals, care facilities, large commercial kitchens and multi-family buildings.


Documentation & files
  • Technical brochure, product data sheet and Evo 2 manual including gas conversion procedure.
  • BIM and CAD files available for the HeatMaster Evo 2 range.


Technical specifications
  • Model: HeatMaster 45 Evo 2
  • Brand: ACV
  • GTIN / EAN: 5400891542545
  • Total capacity: 196 L; Primary: 100 L; DHW: 96 L
  • Output power max (80/60°C): 44.1 kW; Input max (heating) PCS: 50.6 kW (LCV: 45 kW)
  • Combustion efficiency: 97.9 %; Efficiency at 30% load (EN15502-1): 109.0 %; Water heating efficiency [ηwh]: 93.1 %
  • NOx weighted (GCV) (EN15502): 33.2 mg/kWh (NOx class 6)
  • DHW performance: peak 451 L/10' (40°C); 1st hour 1610 L/60'; continuous 1390 L/h (40°C)
  • Connections: Heating 1" F; DHW 1" M; Gas 3/4" M; Chimney concentric 80/125 mm
  • Max operating temperature: 87 °C; Max service pressure primary: 3 bar; DHW: 8.6 bar
  • Height when tilted: 1880 mm; Weight (empty): 177 kg
  • Electrical: 230 V, 50 Hz, consumption 126 W, nominal current 0.85 A; IP protection: IP20; Sound power level LWA indoor: 59 dB
  • Declared load profile: XXL; Energy classes: Space heating A, Water heating A

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.