<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META content="text/html; charset=us-ascii" http-equiv=Content-Type>
<META name=GENERATOR content="MSHTML 8.00.6001.19120"></HEAD>
<BODY>
<DIV><SPAN class=067324614-15092011><FONT size=2 face=Arial>How do you model
multiple temperatures for various heating HW loops such as radiant slab
(120/constant temp) vs. HW loop (160/based on OA reset) for any type system
if they are all coming from the same boiler plant?</FONT></SPAN></DIV>
<DIV><SPAN class=067324614-15092011><FONT size=2
face=Arial></FONT></SPAN> </DIV>
<DIV><SPAN class=067324614-15092011><FONT size=2 face=Arial>Do you provide a
heat exchanger on the peripheral loop to account for the different
temperature?</FONT></SPAN></DIV>
<DIV><FONT size=2 face=Arial></FONT> </DIV>
<DIV align=left><FONT size=2 face=Arial>Eric Hethcoat, P.E.</FONT></DIV>
<DIV align=left><FONT size=2 face=Arial>Partner</FONT></DIV>
<DIV align=left><FONT size=2 face=Arial>Latimer, Sommers & Associates,
P.A.</FONT></DIV>
<DIV align=left><FONT size=2 face=Arial>3639 SW Summerfield Dr., Suite
A</FONT></DIV>
<DIV align=left><FONT size=2 face=Arial>Topeka, KS 66614</FONT></DIV>
<DIV align=left><FONT size=2 face=Arial>c. 913.481.3256</FONT></DIV>
<DIV align=left><FONT size=2 face=Arial>w. 785.233.3232</FONT></DIV>
<DIV align=left><FONT size=2 face=Arial>f. 785.233.0647</FONT></DIV>
<DIV align=left><FONT size=2 face=Arial><A
href="mailto:ehethcoat@lsapa.com">ehethcoat@lsapa.com</A></FONT></DIV>
<DIV align=left><FONT size=2 face=Arial></FONT> </DIV>
<DIV align=left><FONT size=1 face=Arial>This message and any attachments
included here-in, are solely for the intended recipient and may contain
confidential or privileged information. If you are not the intended
recipient, any review, disclosure, copying, use, forwarding, or distribution of
the information included in this message and any attachments is
prohibited. If you have received this communication in error, please
notify the sender by reply e-mail and immediately and permanently delete this
message and any attachments. Thank you.</FONT></DIV>
<DIV> </DIV></BODY></HTML>