The other two answers to this question are fantastic i’ll chip in another concern about lye-based drain cleaners. Alternatively you may want to get a gas connection to your home the company that owns and operates the gas network in your area may be able to help with the cost of getting a new connection, and it may even be fully funded. New boiler installation throughout the uk. Called early am, they answered and scheduled the only time that worked for me. There are steps you can.