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Open Vent Boilers

Vaillant’s range of reliable high quality regular open vent boilers delivers for all house types with higher hot water demands from a single bathroom home through to five-bedroom multi-bathroom mansions. Our open vent range covers 12kW to 35kW and they work perfectly with our range of Vaillant cylinders.

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ecoTEC plus 412, 415, 418, 424, 430 and 435

ecoTEC plus open vent boiler range

Rear flue option
Compact dimensions
Large backlit plain text display

ecoFIT pure open vent boiler

412, 415, 418, 425, 430 and 435 outputs

Compact, cupboard fit solution
Top and rear flue options
Automotive grade aluminium heat exchanger

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