Check out the manual: https://www.google.co.uk/url?sa=t&rct=j&q=&esrc=s&source=web&cd=3&cad=rja&uact=8&ved=0ahUKEwjUjtyL883PAhVbFMAKHbHeCFcQFggpMAI&url=https%3A%2F%2Fwww.manualslib.com%2Fmanual%2F326928%2FTasco-Offshore-21.html&usg=AFQjCNF92uw2BhuBfD3anTXJ1JOyL5YVjA
Answers & Comments
Check out the manual:
https://www.google.co.uk/url?sa=t&rct=j&q=&esrc=s&source=web&cd=3&cad=rja&uact=8&ved=0ahUKEwjUjtyL883PAhVbFMAKHbHeCFcQFggpMAI&url=https%3A%2F%2Fwww.manualslib.com%2Fmanual%2F326928%2FTasco-Offshore-21.html&usg=AFQjCNF92uw2BhuBfD3anTXJ1JOyL5YVjA