Arrived to the customer house to replace New Circulator and code upgrade triple money saving combo hydronic and we explain to the customer boiler may have future issues due to the condition of existing system and also we explain to the customer we don’t bring any guarantee on this job, cause the system is pretty old and the best solution is replace the boiler. We proceed to remove circulator, Reduce Valve, expansion tank, air vent and relief valve. The system is operating ok at this time.