Upon arrival spoke with customer. Customer is explaining that he had a few people working on the boiler where parts were replaced. Customer was told parts that were replaced I.e Honeywell zone valve and relay should solve his problems. Customer is still having intermittent issues with the boiler where it will randomly fail to operate. Customer will reset boiler and system will begin to work once more. Customer reset boiler prior to arrival where system is operational, unable to diagnose a working system. Informed customer that based on the current condition of the boiler we could start a maintenance/recommissioning process to improve the condition of the boiler. At that time we can do a full assessment of boiler. Office to follow up with customer to schedule return visit for maintenance. View visual findings from this job here - https://visionshare.xoi.io/?id=XA-213F-92E097A7F4054D0BBC5062832D0A7DA7