Information on repairing a Smith boiler is available on DoItYourself.com, YouTube and About.com. DoItYourSelf.com and About.com provide troubleshooting advice in addition to repair methods. YouTube features videos that explain repair techniques for boilers.
DoItYourself.com offers information on how to repair boiler issues that cause no heat, noisy pipes, low water levels and not enough heat. This site also gives information on regular boiler maintenance. The site recommends that only those with experience and confidence to do the job make these repairs.
In addition to repair methods, About.com provides a comprehensive diagram of boiler components and explains the function of each part. The site explains multiple repair methods for different boiler problems.