If your boiler fails to work, especially if you have been away for a while.
1. Check the water and gas on (seems obvious but it can slip your mind)...
If your home is left un attended for a lengthy period of time, here are some steps you may want to consider.
1. Drain your water system, even in summer. If you have a leak it can cause a huge amount of damage even if it is only a small drip.