Today I came to Milan’s Springbank Hill home because the boiler stopped working this morning. Milan found the pilot light was out and relit it. 30 minutes later the pilot was off again. Upon initial inspection of the 21 year old system, I found the pilot light was out. I relit and fired the system up. I watched it run for 5 cycles without error. A diagnostic will be required to determine the cause of the problem. Upon diagnostics I found the thermocouple is producing enough voltage to keep the pilot light lit however after testing through multiple more cycles it shut off again. This indicates a weaken gas valve that should be replaced. I inspected the heat exchanger and found it is very dirty and has multiple areas on the verge of cracking. The circulation pump is over amperage indicating advanced ware. The expansion tank, 1 air vent, and safety pressure relief valve were replaced last year and remain in good condition. After going over my findings and options with Milan, he decided