Assertion: boiler's efficiency rating | /r/HasProperty | electric ehc fusion
Facets:
Source sentences:
text: Type of boiler Model Size Efficiency rating Electric EHC Fusion 36 KW 100% Combi Viessmann Vitodens 200-W 35 KW 98% Central heating Viessmann Vitodens 200-W 35 KW 98%