Checked heating loop for guest bedroom diagnosed the circulator pump is compromised for the system to supply heat to the guest bedroom recommend to replace the circulating pump taco 007-F5-71FC boiler is working supplying heat to the rest of the house View visual findings from this job here - https://visionshare.xoi.io/?id=XA-2F41-D410BEF675BF4ABB9CE634924C336DD6