Ideal for boats with engine rooms up to 42.5 cubic metres in size, this series has an automatic discharge feature with an optional manual discharge, when used with a Fireboy Manual Discharge Cable, which is sold separately. Vertical or horizontal mounting is allowed. Features includes automatic discharge with optional manual discharge when used with a Fireboy Manual discharge cable, engine rooms up to 42.5 cubic metres, vertical or horizontal mounting allowed and utilises HFC-227ea (FM-200).