PlumbingHeating & Water Supply3MediumHomeowner$ implied
Unable to find a low-power under sink water heater that can share a 15-amp circuit with a garbage disposal.
Existing under sink water heaters draw too much power (typically 10+ amps) to safely share a 15-amp circuit with an existing 4.5-amp garbage disposal, and the user is unaware of a low-power model that would work.
42
0
Opp. Score
42
Severity
3Medium
Willingness to Pay
implied
Added
May 19, 2026
App Concept
LowDraw Tankless Mini Heater
A 120V under-sink tankless water heater designed to draw under 8 amps, allowing safe operation on a shared 15A circuit with a garbage disposal. Installs easily under the sink, provides instant hot water at the kitchen tap, and includes a built-in energy-saving mode to limit power usage during disposal operation.
Key Features
- Max 7.5 amp draw on 120V circuit
- Smart load sharing: pauses heating when disposal runs
- Compact under-sink design (fits in standard cabinet)
- Digital temperature control (90-120°F)
Target Users: Homeowners with kitchens on 15-amp circuits who want instant hot water without rewiring
Revenue Model: $199 one-time purchase plus $9.99 shipping; optional $49 install kit
Existing Solutions Mentioned
under sink water heaterrecirculation device
Part of App Idea
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