When that happens most hvac systems are designed to shut off completely leaving homeowners scrambling for a solution.
Frozen condensate pipe on roof.
In reality a major repair may not be necessary as thawing the frozen drain lines should fix the issue.
With temperatures dropping condensate drain lines have a higher chance of freezing.
The longer your pipe extends outdoors the more time the water has to freeze.
Hvac systems how to correctly install condensate drains duration.
During periods of snow verify that snow hasn t risen to the level of the drain line where it can block it and cause further freezing.
This is something that you can easily do yourself.
The house i bought has a high efficiency furnace in the basement with a long 1 2 inch pvc condensate pipe to the outside.
Thaw and prevent frozen condensate pipes duration.
How to fix a frozen condensate line shorten the pipe.
If your frozen condensate line is getting backed up at the end widen the mouth so that there s more.
The best way to stop condensate drain line freeze is to use weather proof sleeves placed around the drain.
If you already have a.
Trace heating takes the form of an electrical heating element run in physical contact along the length of the condensate pipe.
Be sure to use waterproof lagging otherwise you will increase the risk of your condensate pipe freezing rather than preventing it.
Occasionally it freezes in the winter.
Talk to your installer engineer about moving the condensate pipe internally so that it never falls below room temperature.
Trace heating with an external thermostat can be fitted to the external condensate pipe to raise the temperature of the condensate pipe in freezing conditions.
Condensate switches imc 307 2 3 states that all hvac equipment that produces condensate must have either a secondary drain line or a condensate overflow switch a secondary drain pan with a secondary drain line or condensate switch or some combination of these installations should be used to prevent overflow if the primary drain line blocks.
Insulate your condensate pipe.
Fortunately there is an air gap so the furnace does not stop but the condensate makes a mess and is likely damaging the bottom of the furnace and the cement pad.
This video shows you how to thaw a frozen condensate pipe from your boiler.
Worcester bosch group 247 723 views.