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24 mar 2023 · A furnace leaking water when heat is on can be caused by a clogged condensate drain, a faulty condensate pump, a cracked heat exchanger, or a leaking humidifier or AC. Fixes include cleaning and fixing the condensate drain system, replacing the heat exchanges, and fixing your AC/humidifier leak.
If you notice water on the floor around your high efficiency furnace unit, or water or rust stains within the cabinet, your furnace is not draining properly. Similarly, a malfunctioning pump can cause water to back up and create a furnace leak.
30 mar 2024 · Why Is My Furnace Leaking Water? (#1 Reason) If water is dripping from your furnace, your condensate drain is probably clogged. If you have a high efficiency gas furnace, the condensation lines or drain lines can become clogged and prevent proper flow to the floor drain or condensate pump.
Water leaking from a conventional furnace is typically a symptom of either a malfunction with the built-in humidifier or an ill-fitted exhaust pipe. The humidifier empties excess water through the furnace drain line.
9 wrz 2024 · One of the most common causes of a furnace leaking water is water condensation. Condensation can happen from the cool exhaust of a high-efficiency furnace or could be the sign of an incorrectly sized flue pipe on a standard-efficiency furnace.
A pool of water around your furnace can expose you to mold, furnace-room flooding, or, worst of all, flooding inside the furnace. We will cover the 7 most common reasons why you see condensation from a furnace (and how a technician would fix them).
What To Do When Your Furnace Is Leaking Water. You can follow these steps to understand why your furnace is leaking. We’ve also explained some repairs you can complete yourself. #1. Determine Which Type of Furnace You Have. The following steps depend on whether you have a conventional furnace or a high-efficiency condensing one.
