Frozen Condensate Pipe
During low temperatures, it's possible that your condensate pipe may freeze, if the pipe exits outside of your property.
The condensate pipe is usually a white overflow pipe, similar to one you may find on a washing machine or sink waste pipe. It allows your boiler to dispose of condensation to an outside drain via this pipe. The pipe will usually be located on the external wall outside from where your boiler is. Check out the steps below: