<html><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:12pt"><div>Any suggestions as to how to make the DHW heater a condensing boiler ?? The Condensing feature is for a boiler , which wants a Hot Water loop, NOT a DHW loop..</div><div><br></div><div><div class="MsoNormal"><a name="_MailAutoSig"><span style="mso-fareast-font-family:
"Times New Roman";mso-fareast-theme-font:minor-fareast;color:#1F497D;
mso-no-proof:yes">John R. Aulbach, PE, CEM<o:p></o:p></span></a></div>

<div class="MsoNormal"><span style="mso-fareast-font-family:"Times New Roman";mso-fareast-theme-font:minor-fareast;
color:#1F497D;mso-no-proof:yes">Senior Energy Engineer<o:p></o:p></span></div>

<div class="MsoNormal"><span style="mso-fareast-font-family:"Times New Roman";color:#17365D;mso-no-proof:
yes">

<hr size="2" width="30%" noshade="" align="left">

</span></div>

<div class="MsoNormal"><b><span style="mso-fareast-font-family:"Times New Roman";mso-fareast-theme-font:minor-fareast;
font-variant:small-caps;color:navy;mso-no-proof:yes">Partner</span></b><b><span style="mso-fareast-font-family:"Times New Roman";
mso-fareast-theme-font:minor-fareast;font-variant:small-caps;color:green;
mso-no-proof:yes"> </span></b><b><span style="mso-fareast-font-family:"Times New Roman";mso-fareast-theme-font:minor-fareast;
font-variant:small-caps;color:#006600;mso-no-proof:yes">Energy</span><span style="font-variant:small-caps;color:navy;mso-no-proof:yes"><o:p></o:p></span></b></div>

<div class="MsoNormal"><span style="mso-fareast-font-family:"Times New Roman";mso-fareast-theme-font:minor-fareast;
color:#1F497D;mso-no-proof:yes">2154 Torrance Blvd, Ste. 100, Torrance, CA 90501<br>
W: 888-826-1216, X254| D: 310-765-7295 | F: 310-817-2745<o:p></o:p></span></div>

<div class="MsoNormal"><a href="http://www.ptrenergy.com/">www.ptrenergy.com</a><span style="mso-fareast-font-family:"Times New Roman";mso-fareast-theme-font:minor-fareast;
color:#1F497D;mso-no-proof:yes"> </span><a href="mailto:|%20jaulbach@ptrenergy.com">| jaulbach@ptrenergy.com</a><span style="mso-fareast-font-family:"Times New Roman";mso-fareast-theme-font:minor-fareast;
color:#1F497D;mso-no-proof:yes"><o:p></o:p></span></div>



<div class="MsoNormal"><o:p> </o:p></div>

<div class="MsoNormal"><o:p> </o:p></div></div>  </div></body></html>