Dodgy Plumbing. Dangerous Electrics. Badly installed gas boilers. Leeds Plumber. Boiler flue not sealed. Removed Boiler off the wall and it’s not bricked up. Poor boiler installation with incorrectly installed flue. Electrics unsafe. Boiler flue blocked with a tree. Trainee plumber or Apprentice and new people into the industry. Fast track plumbing. Fast track gas engineers. Gas pipe corrosion. Gas pipe loose. Condensate leaking onto gas pipe. Very dangerous gas pipe. Please send me your pictures and videos. Fast track plumber or Fast track gas training.