Can Backup run a well pump, sump pump, or furnace blower?

Yes, if the device uses a standard 120V 2- or 3-prong plug and stays within Backup's limits (1,800W maximum, with a lower, temperature-dependent continuous rating closer to 1,000W for long-duration loads, plus surge headroom for startup). Typical well pumps and furnace blowers run around 500W (boiler circulating pumps are often 100–200W), but startup surge and duty cycle determine runtime. Check the appliance's nameplate rating; Backup does not support 230V devices.

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