Translation of exhume in Spanish

We wanted to take a hot shower but there was no hot water at all. We asked someone to fix it and he showed us that there was a heating switch outside the bathroom which would turn on the boiler.
Do you want learn Spanish? Do you have a telephone? I am looking forward to hearing from you and sorry again, I was extremely busy during the last three weeks. I hope you can forgive me.
We had decided to fly to Lima (instead of Buenos Aires, Argentina) and to visit Machu Picchu just a few weeks before leaving Europe.