My sibling struggled with his old boiler before he found a lasting solution, then every time I would visit his in winter, he would attempt to switch it on only to fail. When his eldest child tried it, the boiler would take too long to turn on; This had been going on for a while, but having a background in Heating & Air Conditioning systems, I knew that this was a problem, but under normal circumstances, the boiler should turn on immediately when it is switched on… My sibling’s boiler was taking too long to heat his space, indicating something off. My first suspicion was that the circuit breaker was always off every time they tried to switch on the boiler. However, one look at the breaker box confirmed that everything was alright in there. My second know was to check the temperature control. There was a high probability that it was malfunctioning as well as the settings were too low, it turns out that I was right. The temperature control setting was too low, as well as the boiler was struggling to kick in immediately since it registered the low uneven temperatures. I adjusted the temperature control set to a higher temperature, as well as it was easier for them to beginning the boiler now. However, I noticed that the temperature control was not the best for their furnace as well as advised on an replace. I also asked my sibling to keep an eye on the fuel levels, always check the pilot light as well as ignition for faults, as well as consider obstructed filters. Besides the temperature control, a boiler is likely to fail when it is obstructed, or the other elements are faulty! A simple annual finetune session can repair such concerns..