Vaillant ecoTEC Plus 824 831 & Pro 24 28 178983 Pump 5 wire version
The Vaillant ecoTEC Plus 824 831 & Pro 24 28 178983 Pump With its eco-friendly technology, the Vaillant ecoTEC Plus 824 831 & Pro 24 28 Pump in good used condition taken from working boiler. 5 wire version.