Description
Alpha E-Tec 20S System Boiler (3.028469)
Alpha E-Tec 20S Key Features:
- 7 year out the box warranty*
- Stainless steel heat exchanger
- High efficiency Grundfos pump and hydroblock assembly
- Combined condensate and pressure relief valve
- Zinc plated expansion vessel to prevent corrosion
- Priority Domestic Hot Water (PDHW) ready
- Fully OpenTherm compliant
- Weather compensation option
- DT controlled pump (maintains condensing mode more often)
- Copper tails with isolation valves
- Heating output range (condensing mode): 4.3 – 26.1 kW
- PDHW output range (nominal): 4.3 – 28.3 kW
- Boiler dimensions: 712mm x 440mm x 255mm
*8 year warranty available when fitted with Alpha Cyclone Filter & 10 year warranty available when fitted with Alpha PremierPack Extra
