How do I identify a well cap model number for replacement parts?

Well Cap Identification for Replacement Parts

#1 - Identify the brand - Well caps manufactured by Boshart Industries may have either the  "SEALWELL" or "BII"  logo molded on the cover.

#2 - Determine the material - Well caps are manufactured from both Aluminum, Plastic and Cast Iron.

#3 - Determine the Well Cap Model Number. The model number may be molded inside the cover (see photo below)