Water Heaters

WaterMaster

WaterMaster 45

Condensing domestic hot water heater

  • Available in Natural gas and LPG
  • TANK-IN-TANK TECHNOLOGY

# A1002671

  • Gas
  • Hot Water Heater
  • Standard
  • Concentric
  • Floor installation
  • Certified EN89 - Ecodesign Lot 2 (EN 812/2013 - EN 814/2013)
  • Equipped with the ACVMax burner and modbus controls.
  • Condenses in hot water mode.
  • Can deliver an exceptional peak and continuous volumes of hot water.
  • Stainless Steel domestic hot water tank - no anode protection required.
  • Space saving footprint - reduced plantroom space requirement.
  • Stainless steel heat exchanger reduces maintenance and can increase system lifespan.
  • Multiple units can be linked for larger applications or back up
  • Vented or unvented use - Mains systempak available
  • Anti-legionellae : t° storage > 60° C.
  1. ACVMax Control panel
  2. NTC sensor (primary circuit)
  3. High efficiency circulator pump
  4. Condensate recovery dish
  5. Electrical panel (with spare fuses at the back)
  6. “Tank-in-Tank” hot water production tank
  7. Flue gas exhaust tube
  8. Indirect water pre-heater
  9. Primary circuit
  10. Pressure sensor

Constructive characteristics

Capacity (total) 196 L
Capacity (primary) 100 L
Capacity (domestic hot water) 96 L
Coil capacity 0 L
Chimney: Max pressure drop in flue pipe 130 Pa
Chimney: max length of concentric flue pipe 20 m
Chimney connection 80/125 Ømm
Connection - heating 1 F Ø"
Connection - DHW 1 M Ø"
Connection gas 3/4 M Ø"
Connection - safety valve 1/2M Ø"
Max operating temperature 87 °C
Water pressure drop boiler at Δt = 20°C 10 mbar
Max service pressure heating (primary) 3 bar
Max service pressure (DHW) 8,6 bar
Height when tilted 1855 mm
Weight (empty) 177 kg

Heating characteristics

Pre-heating time from 10 to 80°C (Heat source: boiler) 23 min
Reheat time from 40 to 90°C 25 min
Reheat time from 40 to 80°C 16 min
Heating time from 10 to 90°C 30 min

Combustion

Input max (heating) HCV 50,0 kW
Input max (heating) LCV 45 kW
Combustion efficiency 97,9 %
Efficiency DHW mode ΔT 30K 103,1 %
Efficiency DHW mode (EN89) 108,5 %
CO emissions max output 63 ppm
CO emissions min output 4 ppm
Mass rate of combustion products (gas) 76 kg/h
NOx class (EN483) 5
Gas flow rate (min output) 0,9 m³/h

Eco Design Fields

NOx weighted (GCV) 30,2 mg/kWh

Domestic hot water performance

Peak flow at 40°C 451 L/10’
Peak flow 1st hour at 40°C 1610 L/60’
Continuous flow at 40°C 1390 L/h
Peak flow at 45°C 373 L/10’
Peak flow 1st hour at 45°C 1366 L/60’
Continuous flow at 45°C 1192 L/h
Peak flow at 60°C 320 L/10’
Peak flow 1st hour at 60°C 894 L/60’
Continuous flow at 60°C 820 L/h

Electrical Characteristics

Voltage 230 V
Frequency 50 Hz
Protection IP 30
Electrical consumption 126 W
Electrical power requirements 0,85 A
    • Technical brochure

    • ACVMax - Installers handbook for heating systems controlled with ACVMax

    • 25.55 MB – en

    • Technical brochure

    • WaterMaster 25 / 35 / 45 / 70 / 85 / 120 - Installation, Operation and Maintenance Instructions for the Installer and the User

    • 14.41 MB – en

    • Marketing brochure

    • 2018 Product Guide

    • 9.80 MB – en

    • Marketing brochure

    • WaterMaster - EN 89 Certified Storage Water Heater

    • 676 KB – en

Eco Design Fields

Water heating energy efficiency [ηwh] (EU 814/2013 Art 2 (15) Ann.IV-3) 87,2 %
Declared load profile L
Water heating energy efficiency class A
Sound power level indoors LWA 59 dB
    • Energy Label

    • WaterMaster 45

    • Product Fiche

    • WaterMaster 45

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