Atwood gas furnaces will not light?
You have a problem in the regulator, or you need a new 'thermocouple' . Both simple work for a competent gas fitter - I'd recommend calling one.
What are the potential dangers and consequences of a leaky chimney in a home?
A leaky chimney in a home can lead to several potential dangers and consequences. These include the risk of carbon monoxide poisoning, structural damage to the home, water damage, and the potential for a chimney fire. It is important to address and repair any chimney leaks promptly to ensure the safety and integrity of the home.