Have your heating system cleaned and tuned by a qualified contractor. A pre-season tune-up and filter change is a good investment. It reduces the chances of breakdowns in the middle of winter, improves safety, and pays for itself through more energy efficient operation.
Don’t use a tool for anything other than its intended purpose. Using a wrench as a hammer may seem like a quick fix, but it may cause damage to the tool, the project, and possibly yourself. Remember, always use the right tool for the job.