Worcester Bosch Greenstar 4000 GR4700iW Control Unit 8716122561

GR4700IW 12s (LPG & NG). GR4700IW 15s (LPG & NG). GR4700IW 18s (LPG & NG). GR4700IW 21s (LPG & NG). GR4700IW 24s (LPG & NG). GR4700IW 25c (LPG & NG). GR4700IW 30c (LPG & NG). Manufacturer:Worcester Bosch.

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