HCW Services Inc. is a seller of Surevalve ™ not the manufacturer.  By use of the site for information or purchase of Surevalve ™ you agree to hold HCW Services Inc.  harmless from any liability associated with the purchase and/or installation of Surevalve™.   HCW Services Inc. strongly recommends that the installation of Surevalve ™ be done by a trained personnel using proper tools and procedures.