Compared across 3 stores. Prices are checked against each store and labelled with when.
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The Dupray Hill Injection is a corded canister steam cleaner built for heavy-duty and commercial use. Its standout feature is a double tank system: a 3 L water tank plus a separate 600 ml detergent tank, so you can inject cleaner into the steam and refill water without shutting down. A 1600 W element heats in about 7 minutes and feeds a 16-inch cleaning path, and Dupray rates the superheated steam to kill 99.99% of bacteria and viruses. It is a large, 28 lb machine on a 4.5 m cord, so it suits grout, tile and detail work in big spaces rather than quick household touch-ups. Against lighter home steamers it trades portability for continuous runtime, detergent injection and commercial-grade build.
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Lowest price we've seen: $1,999.99 on Nov 10 at Dupray. Tracked across 3 stores since Nov 10.
Owners of the Hill Injection tend to be people using it for serious grout and tile work, and they value the continuous steam from the double tank and the detergent injection. The main complaints are the weight and the bulk when moving it around a house.
