The M1000 Series 92/90+ Single-Stage Gas Furnace offers a 10-Year Worry-Free Warranty on parts and a limited lifetime warranty on the heat exchanger.
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The M1000 Series 80+ Single-Stage Gas Furnace offers a 10-Year Worry-Free Warranty on parts.
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The M1000 Series 80+ Low Profile Gas Furnace offers a 10-Year Worry-Free Warranty on parts and a 20-Year Warranty on the heat exchanger.
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