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The KFFKFF is an indoor propane tankless water heater rated at 100,000 BTU, built to heat water on demand instead of storing it in a tank. It uses an oxygen-free copper heat exchanger, a high-speed fan for steady combustion, and a smart temperature control with LED display. It starts at very low water pressure, so it suits homes with weak supply. Against big-name tankless brands it is a budget, lesser-known option with fewer documented service and parts networks, so buyers weigh its feature list against long-term support.
In stockSold by KFFKFF Home Tools Store USReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
This gas tankless water heater is designed for indoor use. It heats water on demand, so there is no preheating. It has a rated heat load of 100,000 BTU/HR and a 4.3 gal (16.3 L) capacity. It has smart temperature adjustment and an LED display.
The heat exchanger is made of oxygen-free copper, which conducts heat well and resists rust and scale. A high-speed fan helps prevent backflow and supports steady combustion. The heater can start at a water pressure as low as 0.02 MPa and can supply multiple outlets at once.
The package includes an exhaust pipe, an expansion bolt kit, screws and plastic feet for installation.
