Asked by: Larraine Keuneke
asked in category: General Last Updated: 2nd March, 2020

How do you stop a furnace from leaking?

Steps to Stop Water Leaking Around Your Furnace
  1. Shut Off System. Look for shutoff switch, which looks like a light switch next to the furnace and coil, and switch it off.
  2. Clean Up Water Quickly.
  3. Check Filter.
  4. Place Vacuum Around PVC Drain Line.
  5. Pour Water Into Top of Condensate Pump.

Click to see full answer.


Besides, what to do if furnace is leaking water?

1. Leaky humidifier

  1. Check your furnace to see if you have a built-in humidifier. It's usually easily visible on the outside of the furnace.
  2. Look for leaks or a clog at the water tap line, drain line, water feed tube and the outside casing of the humidifier.
  3. Call a professional if the humidifier is leaking or clogged.

Beside above, is a leaking furnace dangerous? Reasons for a Furnace Leaking Water If you notice water around the base of your furnace, it needs to be remedied right away. Water damage is serious and effects other areas of your home including the ceiling, walls, and flooring. Mold is an issue as well.

Similarly, why would my furnace be leaking water?

Again, the most common reason for a leaking furnace is a condensation leak. If the cause of the leaking water is condensation, there are a few possibilities. You might have a clogged condensation drain or tubing, a break in the condensation line, or issues with the condensate pump, if you have one.

Will water ruin my furnace?

Water from a flood can carry chemicals that can corrode your electrical furnace and damage the thermostat, coils and controls inside. According to the Air-Conditioning, Heating & Refrigeration Institute (AHRI), flood water can create a safety hazard, and homeowners should have their unit checked by a contractor.

35 Related Question Answers Found

How much does it cost to fix a leaking furnace?

Why is my furnace leaking water in the summer?

What happens if a furnace gets wet?


How do you flush a furnace drain line?

Why is my furnace not draining?


Why is my furnace leaking water in the winter?

How much does it cost to replace a condensate pump?

What happens when a condensate pump fails?


Is a leaking air conditioner dangerous?

How much water does a furnace drain?

Why do high efficiency furnaces drain water?