Big Maxx Furnace Hack: Solving Windy Day Shutdowns

Wind-Proof Your Furnace | Big Maxx Furnace Modification

Is your furnace cutting out every time the wind picks up? In this video, I demonstrate how I solved the problem by modifying the exhaust with stainless steel end caps to stop wind from tripping the sensor and causing shutdowns. This may not be a problem for all furnaces but certainly was for mine.

Join me as I walk through the installation process and show you how it’s working. If you’ve been struggling with this issue, this DIY fix might just do the trick!

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[journeys-with-joe]

So far so good. We’ve had a few very windy days since making this video and no short cycling or shutdowns!

[polariskid]

I’m having the exact same issue with a 50, 000 btu big max heater I’ve tried numerous different end caps even tried a high wind style cap still flame goes out and restarts on windy days. It must be a heater issue as other people have same terminations and no issues I have not tried what you did here, I feel the wind would still funnel into heater though