This is a cracked heat exchanger and it’s a serious safety issue. ⚠️ When a heat exchanger cracks, carbon monoxide can leak into the air system and circulate throughout the home. That’s why we don’t just talk about it we take the time to pull it out and physically show homeowners what’s happening. Seeing it makes the risk real and clear. Cracked heat exchangers are most common on older systems, and replacing only that part is rarely the safest long-term solution. In many cases, a full system rep