This is sure awesome. Am glad the water heater was repaired. I guess you'll power up the money you were meant to pay the repair man. Lol.
Okay, for those who would likely want to follow your steps to repair their faulty water heaters and save their funds for steemit power up, Here are a number of the things that you should consider, but please remember this is only a guide and not an exhaustive list:
1 - Clothing and Equipment: Make sure that you are dressed for the work that you are doing. Tie back long hair, remove jewellery and loose clothing which might get caught. Use protective clothing and other equipment. Dust sheets are very useful, but make sure that they are not a trip hazard
2 - Water: Central heating water is almost always dirty. Use protective sheets on all capets and vulnerable surfaces which could be stained otherwise
3 - Ladders and Roof spaces: You might find yourself in the roof space; Make sure you have a torch and watch where you tread as no one wants to go through the ceiling. Take care entering through the loft hatch, and don't leave anything you could slip or tip on there
I hope these little tips were helpful, but don't forget like I said this is not an exhaustive list, but just a guide.
Good job @exyle, glad you did not go trading when it's not your thing,and you took profit while the uptrend lasted. Good one.