Public comment on Preliminary Draft 02 of this addendum to ANSI/RESNET 301-2014 resulted in substantive changes to the addendum. Those changes include: Changes to clothes washer hot water use equation to correct a typographical transposition Changes to regression equation coefficients to update values Changes to branch length and loop length definitions for hot water recirculation systems Changes to table values for pumping power and energy waste factors for hot water recirculation systems Only the proposed changes (denoted in underline strikeout format) are open to comment. Public comments on the proposed changes to the amendment will be accepted until 30 days after the publication of the notice of changes in the ANSI Standards Actions. To submit your comments click on RESNET Amendment Comment Online Form. Comments are posted real time and you will be able to review comments that were submitted by clicking on Comments Submitted on Proposed Preliminary Draft 02 of this addendum to ANSI/RESNET 301-2014. To download the proposed amendment, click on Substantive Changes to Preliminary Draft Addenda: BSR/RESNET 301-2014, Addendum A-201x PD-02. To view the justification for the proposed amendment click on Domestic Hot Water Amendment Justification and Background (PD-03). Comments will be accepted only on the changes to the previously published proposed addendum, version PD-02. The public comment period will be open until November 10, 2014. Only comments made through the online system will be accepted. After the comment period, the RESNET Standard Development Committee will consider and document each of the comments submitted and make appropriate changes. The revised proposed amendments then will be submitted to the RESNET Standard Management Board for adoption.