Vaillant ecoTEC Plus 637 System Boiler Natural Gas ERP 0010021835 - 0010021835

Vaillant ecoTEC Plus 637 System Boiler Natural Gas ERP 0010021835

Manufactures Part Number: 0010021835

The Vaillant 637 ecoTEC Plus System Boiler is a top spec condensing systems boiler from the Vaillant Range with a stainless steel heat exchanger. The ecoTEC system boiler is suitable for use with unvented pressurised systems. The Vaillant Boilers are highly efficient and produce A top band 'A' rated fuel efficiency and powerful DHW performance.

Awarded Quiet Mark approval.
Highly efficient and economical to run with up to an 89.4% efficiency rating (SAP 2009)
Advance modulation during periods of low heat demand (e.g 1-2 radiators on) ensures low energy consumption and maximum efficiency.
Flame lit detection system enables more efficient and quieter combustion.
New high efficiency automatic two speed pump reduces energy consumption and enables low stand by losses (less than 2kW)
Dedicated models available for LPG for off gas areas.
Stylish contoured case design with drop down flap making this a boiler which fits with the decor of any home.

This product is no longer available.