Put it in my new construction home. Easily plumbed water and wires in wall. It does take 6 spots in your breaker box. If its b m very far from. Breaker box it could get expensive. Most 40 gallon electric water heaters use 1 10-2 . My 27kw required 3 runs of 8-2. Seems to work fine dont know if it is really saving any money it pulls alot of power when working. Hope it last most regular wh last 12-15 years
SKU: JRSRSQOZKGDGJ33QG001V8
Top highlights
- 18 kW instant heating delivers hot water on demand without preheating or storage
- Precision sensor ensures constant temperature for a comfortable shower experience
- LED touch panel allows easy temperature adjustment from 86–131°F (30–55°C)
AI Summarized from product information
Specifications
- Item Model Number K8EU-180
- Voltage 380–400 V
- Frequency 50/60 Hz
- Rated Power 18 kW
- Water Resistance Rating IPX4
- Minimum Required Circuit Breaker 32 A
Reviews · 4.3
Reviews · 4.3
igofastz1000
in
on Aug 29,2026
on Aug 29,2026
smyers
in
on Aug 21,2026
on Aug 21,2026
Great water heater. My son‘s are electricians and they ran all the electrical out to the pedestal works great. Gave me a bunch of new space to store more junk ha ha ha more than enough hot water for one bathroom easily never run out of hot water.
About this item
Description
Pro-level performance without the pro-level cost
Say goodbye to the slow heating of traditional tank water heaters. This tankless water heater provides continuous hot water and easily meets the needs of daily household use or light commercial use in small shops.
Q: How do I choose the right power rating for my home?
A: You can choose different power levels based on household size, inlet water temperature, and the number of simultaneous water outlets (refer to the temperature zone chart above).
Q: What information should be verified before purchasing?
A: Before purchasing, please verify whether your home's electrical load can support the product's power requirements, and confirm that the circuit breaker capacity and wire gauge meet the requirements.
Q: Does this water heater require a dedicated circuit?
A: Yes. The unit draws a maximum current of 26 A and requires one 32 A 3-pole three-phase circuit breaker, three 4 mm² wires, and one 4 mm² ground wire. A neutral wire is not required.
Q: Is a power cord included?
A: This electric water heater has a high power rating and, in accordance with electrical regulations, cannot be equipped with a power cord.
Product guides and documents
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