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Vaillant EcoTEC 637 System Boiler – 0010021835

£1,358.00£1,474.48 Exc. VAT

SKU VALE637S Category

The Vaillant ecoTEC 637 is the biggest of the ecoTEC system boiler range from Vaillant with a central heating output of 37kW and a BTU output of 130,000 makes it a perfect choice for larger size properties with 4 or more bedrooms and 1 or 2 bathrooms.

Features & Benefits

  • For use with Unvented Systems.
  • Stainless steel heat exchanger
  • Advanced modulation during low usage to ensure maximum efficiency
  • New high efficiency pump to reduce energy consumption
  • Stylish contemporary case design to ensure seamless fit with home decor
  • ErP Compliant
  • Lightweight and compact
  • Natural Gas fueled
  • Includes 2 stage frost thermostat
  • Built in pump and expansion vessel
  • Compatible with Unvented systems
TypeGas Boiler
Sub TypeGas System
Warranty (Years)5
Width (mm)440
Height (mm)720
Depth (mm)406
Weight (Kg)43
Output (Kilowatts)37
ErP Space Heating EfficiencyA
Noise Level (Decibels)46
FuelNatural Gas

Delivery Time

Expected delivery 2-3 following order confirmed. If ordered on a weekend the order will not be processed till the Monday.

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