Daily Archives: December 10, 2015

Cleaning the Challenger’s Heat Exchanger

When I was wiring the boiler, I checked the condensate overflow system on the boiler and noticed the plastic drain was full of black gunk. I cleaned it out and about a week later checked it again and it was … Continue reading

Posted in Condensing Modulating Gas Boiler, Maintenance and Repair | Comments Off on Cleaning the Challenger’s Heat Exchanger