PRICE EXCLUDING VAT

SIZE: H720 X W440 X D406MM

The Vaillant ecoTEC Plus high efficiency system boiler range offers quality, reliability and superb

performance along with great usability. Easy of installation, compact dimensions and one of the 

lowest weights in its class have made the ecoTEC Plus 637 system boiler a firm favourite with

installers and end users alike.

- Compact dimensions and light weight

- Excellent siting versatility and easy installation

- Advance modulation during periods of low heat demand for maximum efficiency

- Flame lift detection system for more efficient and quieter consumption

- 7 years warranty if fitted by a Vaillant installer