Inquiry (采购产品): Water side Gaskets Hi, we have a fire tube boiler 150 HP Ser# 54761. What size gaskts are required for hand hole and man way??? Thanks **** Hidden Message ***** Chris Koepke 61350 Company: Earthwise Environmental E-mail: ckoepke@earthwiseenvironmental.com **** Hidden Message ***** ckoepke@earthwiseenvironmental.com