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<font size="+1"><font face="Arial">Sure, but the discussion was about
preventing hot water storage tanks from exploding. Putting BTUs into a
tank, whether that be from a wood stove loop or 5 kW electric heating
element is not the issue. Relying on a P/T valve to regulate
overheating is of course not a good idea, but it will prevent the tank
from exploding.<br>
<br>
Todd<br>
<br>
<br>
</font></font><br>
Conrad Geyser wrote:
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<title>Todd Cory</title>
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<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial; color: navy;">Todd,<o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial; color: navy;"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial; color: navy;">I’m afraid
that any PT valves that I’ve
ever known have continued to weep indefinitely after one or two
overheat
triggers. <o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial; color: navy;">I would not
recommend relying on them for
heat control devices.<o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial; color: navy;"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial; color: navy;">Conrad <o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial; color: navy;">Cotuit Solar<o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial; color: navy;">NABCEP
thermal cert.</span></font></p>
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