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Thermostats



Chris, 
Being as this is the weekend, you may not get a response from Steve or
someone else on your question. I wasn't the first to go to the
Robertshaw thermostat, but as soon as I saw one, it was easy to see
why they worked better than the Stants. Let me tell you that
apparently Stant used to make the "right" thermostat, but have
discontinued making it, and sell you one that is the right size, but
not designed correctly to do the whole job. 

I assume that you know about the bypass hose that comes up out of the
waterpump (?) and comes into the lower part of the thermostat housing.
This comes up just below the thermostat and if you look inside the
housing you can see that there is a flat upon which the thermostat,
when open, is supposed to seal. When sealed, this puts all of the
water flow into the cooling process effectively cutting off the
bypass. With a Robertshaw, when the thermostat opens, it not only
allows the water to flow through the thermostat, it also seals off
that bypass. With the Stant, there is only the one action of allowing
the coolant to flow through. Really makes sense.
Hope this helps.
John H.

----------
From: owner-ihc-digest@domain.elided (ihc-digest)
To: ihc-digest@domain.elided
Subject: ihc-digest V6 #510
Date: Sat, Jan 23, 1999, 3:02 AM


From: Ckhansen@domain.elided
Subject: Re: Thermostats

Someone recently wrote that installing a Robertshaw thermostat vs a
regular
thermostat helped his engine run cooler.  Could someone explain how
this
works?  I thought that basically all thermostats were alike . . . they
open at
a certain temp.  I need all the cooling help I can get here in Las
Vegas, but
I don't see how this can help. . .

Thanks,

Chris 





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