Source google image: https://www.sav-pem.eu/13406-large_default/bobine-%C3%A9lectrovanne-centrale-vapeur-polti.jpg
Schema electrique vaporetto polti 2300
Source google image: https://www.sav-pem.eu/13406-large_default/bobine-%C3%A9lectrovanne-centrale-vapeur-polti.jpg