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The White Knight is a plug-in pool heat pump that runs on a standard 110-volt outlet, so it needs no gas line, propane tank or dedicated high-voltage circuit. It works like a reversed air conditioner: it pulls heat from the surrounding air, concentrates it in a compressor and transfers it to the pool water, exhausting cool air out the top. That makes it far more efficient than a gas heater per unit of heat delivered, and it suits above-ground pools and small in-ground pools where running 220-volt power or gas is impractical. The trade-off is that output depends on air temperature, so it heats slowly in cool weather and is not a match for a large pool or a fast gas heater.
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Lowest price we've seen: $3,495.00 on Nov 15 at OxygenPools. Tracked across 1 store since Nov 15.
The White Knight Plug-in Electric Heat Pump heats pool water by pulling heat from the air around the pool. It plugs into a 110-volt outlet and needs no gas lines or propane tanks.
A compressor intensifies the heat taken from the warm ambient air. A heat exchanger then transfers that heat to the pool water, and the cooled air is exhausted out of the top of the unit. It works like an air conditioner in reverse. The heat exchanger is made of titanium, which resists corrosion from salt water, acids and alkaline media.
It is sized for round pools up to 27 feet, oval pools up to 16' x 32', and rectangular pools up to 14' x 28', all with an average depth of 4 feet.
