no frozen lines with geothermals - the loop gets buried six feet under 
the one with the red warning light had a leak
a tbx? valve needs to be ordered, the other 3 checked out fine but while he was checking output he claims one thermostat got stuck in ac and needed to be replaced 
the one with the red warning light had a leak
a tbx? valve needs to be ordered, the other 3 checked out fine but while he was checking output he claims one thermostat got stuck in ac and needed to be replaced 

