VAILLANT EcoTEC Plus 635 35kW System Boiler WITH FLUE Bundle

VAILLANT EcoTEC Plus 635 35kW System Boiler WITH FLUE Bundle

Marsoni

M251S

$1069.00

Get it in 3 business days with 1 day shipping. Friday, May 29

VAILLANT EcoTEC Plus 635 35kW System Boiler WITH FLUE BundleThe VAILLANT ecoTEC Plus 635 is a high efficiency 35kW system boiler designed for larger homes and properties with higher heating demands. This model comes complete with flue kit included, simplifying installation and reducing additional component costs. Built on VAILLANT's proven ecoTEC Plus platform, the 635 delivers reliable performance with condensing technology that maximizes fuel efficiency and minimizes running costs. The system boiler

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Reviewed in the United States on May 27, 2026