Taco Flo-Chek 219-4 valve and circulator

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tomeagle

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Hi,

I have a Taco circulator 007-F5 connected with a Taco Flo-Chek valve 219-4 on a furnace which supplies both heat and hot water. Now even without the heating zone calling for heat the hot water still flows through the circulator and the valve. The Flo-Chek valve is mounted horizontally. Another heating zone with similar setup works. Which part could be broken? The valve or the circulator?

Thanks for help!

Regards,

Tom
 
can you give a little more detail as to the piping configuration of your system.


most systems only 1 taco pump is used,,

the thermostat should tell the zone valve to open or close,

HrmSZzr.jpg

sounds like the ck valve is stuck open or installed backwards
 
Last edited:
Thanks for reply. There is no zone valve. The diagram is attached.

Regards,

Tom

Capture.jpg
 
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