Water Heaters

WaterMaster

WaterMaster 35

Condensing domestic hot water heater

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

# A1002670

  • 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 6 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) 26 min
Reheat time from 40 to 90°C 28 min
Reheat time from 40 to 80°C 22 min
Heating time from 10 to 90°C 33 min

Combustion

Input max (heating) HCV 38,9 kW
Input max (heating) LCV 35 kW
Combustion efficiency 98,2 %
Efficiency DHW mode ΔT 30K 105,4 %
Efficiency DHW mode (EN89) 108,5 %
CO emissions max output 48 ppm
CO emissions min output 4 ppm
Mass rate of combustion products (gas) 56 kg/h
NOx class (EN483) 5
Gas flow rate (min output) 0,7 m³/h

Eco Design Fields

NOx weighted (GCV) 26,7 mg/kWh

Domestic hot water performance

Peak flow at 40°C 408 L/10’
Peak flow 1st hour at 40°C 1328 L/60’
Continuous flow at 40°C 1104 L/h
Peak flow at 45°C 339 L/10’
Peak flow 1st hour at 45°C 1127 L/60’
Continuous flow at 45°C 946 L/h
Peak flow at 60°C 197 L/10’
Peak flow 1st hour at 60°C 749 L/60’
Continuous flow at 60°C 662 L/h

Electrical Characteristics

Voltage 230 V
Frequency 50 Hz
Protection IP 30
Electrical consumption 110 W
Electrical power requirements 0,8 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 60 dB
    • Energy Label

    • WaterMaster 35

    • Product Fiche

    • WaterMaster 35

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