Taco 5000 mixing valve - check valves built in?

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Fritz57

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we have a 15yo Taco 5000 mixing valve. I can't get into Taco site for some reason. Does this valve have checks built in?
 

JG plumbing

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The 5000 series does. I belive they are on hot and cold side, so two actually. I don't know about a15 year old one.
 

Geofd

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I just looked it up it doesn't say it does....or doesn't what's your issue
 

Fritz57

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the mix valve is used to fill 2 turtle tanks in the house. the valve is off the H/C that feeds the washer. wondering if I should have a check on both lines, if it turns out the 5000 doesn't. there is currently 1 on the Cold.
 

Fritz57

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thanks for that JG. that would seem to indicate that there is no internal checks.
 

JG plumbing

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I think it indicates there are internal check valves. How could they be fouled if they didn't exist?
 

Fritz57

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spoke with Taco. 5000 that is 15 years old did not have check valves built in. And the sign of a great plumber who did the install, just put a check valve on cold when Taco tech advised both hot and cold. Oh well.
 
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