While it may seem like a small deal, a clogged drain is a household emergency requiring prompt attention why? because if left unchecked, continued use can lead to a flood. A yearly service ensures that any warranty associated with your boiler is up to date and avoids the loss of manufacturer guarantees that could result in an unwelcome bill to repair. F) when a blacksmith, tinsmith, or plumber have tried to repair a case, fig 189. Re-piped our entire crawlspace i went.