To replace the defective domestic hot water expansion tank and install a condensate pump with neutralizer reservoir Completed installation of condensate neutralizer pump with neutralizer rocks also completed installation of expansion tank for domestic hot water indirect tank tested all systems. Left systems working. View visual findings from this job here - https://visionshare.xoi.io/?id=XA-90AE-F22265E58E8B4DC89E8F64254B9BF54B check number 101