Vaillant ecoTEC Plus 637 system boiler pack with flue
- 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
- Manufacturers Warranty : 7 Years (Subject to Manufacturers T&C’s)
