SHIWAKOTO 4 Gallon Under Sink Water Heater, 120V 1440W Small Hot Water Heater, On-Demand Hot Water for RV, Kitchen and Bathroom (Floor/Wall Mounted)
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Product details
| Management number | 210147522 | Release Date | 2026/04/02 | List Price | $42.40 | Model Number | 210147522 | ||
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- [Hot water in 1 second] Point of use water heater 120v (1440W) delivers hot water on demand, with adjustable temperatures ranging from 86°F to 167°F. It solves traditional tank waiting, so you won’t waste power on prolonged preheating cycles. Dual outlets fit water heater electric needs, supplying 2 sinks non-stop (ideal for under sink hot water heater use in winter dishwashing/thawing)
- [Energy-Saving Under Sink Heater] This portable water heater uses 0.787-inch polyurethane insulation to cut energy use—no frequent reheating needed to maintain desired temperatures. Auto power-off at 194℉ protects the 120V electric water heater, building safety for home 4 gallon electric hot water heater use
- [Instant Water Heater with IPX4] The RV water heater has IPX4 waterproof shell & 150 Psi resistance. As a compact under sink heater, it works stably in humid areas, it's suitable for compact bathrooms, RVs, or damp garages. Of course, using it in a dry environment can also effectively extend the lifespan of the portable instant hot water heater
- [Compact Point of Use Electric Water Heater] This compact under sink water heater (14.96×14.96×12.8 inches, 22.49lbs) is a space-saving 4 gallon mini tank water heater—heat only the water you need, right where you need it. It supports wall/floor mounting—perfect for small spaces such as under kitchen sinks, on RV walls, in bathroom cabinets, or under farm washstands, with no excess power used for unused capacity
- [Kit for Small Water Heater] On Demand Water Heater ×1, Plastic Expansion Tube ×2, Fastening Screw ×2, Bracket ×1, T/P Valve ×1, User Manual ×1. Check the built-in magnesium rod yearly (key for fast heating electric tank heater durability)—replace aged rods to avoid leaks
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