Question about Heating & Cooling
No you can replace just the head no need to drain the system. Push the head in with a slight twist and it will pop off. At this point check to see if the problem has gone away. If it has replace the head, if you still have the same problem drain the system and replace the valve
Posted on Apr 27, 2014
I will work on the sys.further as I try to locate and replace the bad zone valve--------------------------thank you-----------Lacy Smith
Posted on Aug 20, 2008
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Posted on Jan 02, 2017
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