View visual findings from this job here - https://visionshare.xoi.io/?id=XA-90AE-9B24D8EC28644C9789D4D2E3243941DA return to ohm out control board on third floor system: * call into RJ Murray tech support * while waiting for them to confirm and get back to us- we did a test installing a T4 thermostat and switching relay and having the thermostat control the fan function and tested system operations in both heating and cooling * the condenser and indoor fan run in cool mode * the switching relay engaged with a call for heat/ hydro coil hot and blower on and running RJ Murray is recommending to replace the wire harness that connects to the control board and goes to the hydronic heating harness- not because it showed it was bad but it’s the only thing not changed he stated. we gave the customer options and she would like to proceed with the wire harness replacement