Click here to Find a Contractor in your area.
Welcome! Here are the website rules, as well as some tips for using this forum.
Need to contact us? Visit https://heatinghelp.com/contact-us/.

Return Pipes heat up supply seem cool

Johnybcold
Johnybcold Member Posts: 8
edited November 2015 in Plumbing
I have two zones and my return lines seem to warm up and get hot while my supply lines always seem cool, could my pump be pumping backwards? There is a arrow on the housing so I would think it is flowing correctly. I am calling the lines with the Taco Zone valve the supply.