WINTEMP - Tankless Water Heater Electric 8kW 240V 8kW Tankless water heaters electric heat water on demand. Depending on the incoming water temperature, they can provide between 0.8 and 1.9 gallons of hot water per minute. They are ideal for use in kitchens, bathrooms, small sinks, and other applications requiring on-demand or low-flow hot water. Previous page Next page With WINTEMP, you can enjoy a continuous and stable supply of warm water with peace of mind, meeting your needs at any time while effectively reducing water and energy waste. Previous page Next page Previous page Next page When I bought this machine,how many circuit breakers do I need, and what specifications are required? You will need one 40A double-pole circuit breaker, and the wire requirement is one set of 10AWG wires. The voltage requirement is 240V/33A. Is it possible to install it outdoors? Because outdoor temperatures can drop below 32℉ in winter, the machine may freeze and become unusable. We don't recommend you to install it outdoors. Will it affected during winter usage? It depends on the ambient temperature, the incoming water temperature, and the water flow rate. How much hot water can this product supply? It can provide between 0.8 and 1.9 gallons-per-minute depending on the inlet water temperature. To select the best solution for your hot water needs, please refer to the sizing guide. Comparison WN08 Buying Options WN11 Add to Cart KFU65 Buying Options KFU135 Add to Cart WN18 Add to Cart WN27 Add to Cart Customer Reviews 4.3 out of 5 stars 81 4.3 out of 5 stars 81 3.9 out of 5 stars 8 4.3 out of 5 stars 81 4.6 out of 5 stars 62 4.6 out of 5 stars 62 Price $147.92$147.92 $189.99$189.99 $88.39$88.39 $96.99$96.99 $299.99$299.99 $369.99$369.99 Wattage 8 KW 11 KW 6.5 KW 3.5 KW 18 KW 27 KW Voltage 240 V 240 V 240 V 120 V 240 V 240 V Dimensions (LxWxH) 14" x 9.7" x 3.4" 14" x 9.7" x 3.4" 9" x 8.5" x 2.6" 9" x 8.5" x 2.6" 19.1" x 11.1" x 4" 19.1" x 11.1" x 4" Weight 7.58Lbs 9.7Lbs 5.5 Lbs 5.5 Lbs 12.6 Lbs 14.3 Lbs Water Connections 1/2'' NPT 1/2'' NPT 1/2'' NPT 1/2'' NPT 3/4'' NPT 3/4'' NPT Wire Gauge 1 x 10 AWG 1 x 8 AWG 1 x 10 AWG 1 x 10 AWG 2 x 8 AWG 3 x 8 AWG Max Amperage 33 A 46 A 27 A 29 A 75 A 113 A Required Amperage 1 x 40 AMP 1 x 50 AMP 1 x 30 AMP 1 x 30 AMP 2 x 40 AMP 3 x 40 AMP Min. Water Flow 0.32 GPM/min 0.32 GPM/min 0.4 GPM/min 0.26 GPM/min 0.32 GPM/min 0.32 GPM/min Output water temp. range 86°F - 140°F 86°F - 140°F 86°F - 131°F 86°F - 131°F 86°F - 140°F 86°F - 140°F