Eccotemp SmartHome Indoor Natural Gas Tankless Water Heater, 4.0 GPM (SH12-A-NG)
SmartHome connectivity allows remote control via Eccotemp app and voice control with Amazon Alexa or Google Assistant.
4.0 GPM flow rate with 80,000 BTUs supports up to two simultaneous hot water applications.
Eco Mode feature helps reduce energy usage by up to 25% through optimized temperature control.
Customizable mobile app settings for temperature, schedules, consumption tracking, and error diagnostics.
Smart Power Button enables easy control, error detection, Wi-Fi setup, and energy-saving sleep mode.
Optional 3-inch horizontal and vertical vent kits available for flexible installation (sold separately).
Endless, on-demand hot water without the energy waste of tank systems.
Hands-free control with smart home voice assistants for ultimate convenience.
Compact design maximizes floor space and fits discreetly into small utility areas.
Lower energy bills and reduced carbon footprint through efficient gas usage and smart scheduling.
Reliable performance for homes, apartments, condos, cabins, or light commercial applications.
Technical Specifications:
Model: SH12-A-NG
Fuel Type: Natural Gas
Flow Rate: 4.0 GPM @ 35°F rise
Temperature Range: 95°F – 140°F
Applications: 1–2 Simultaneous (e.g., 2 bathrooms)
Smart Features: Mobile app, Alexa/Google voice control, Eco Mode
Voltage: 120V with UL-listed power cord
Gas & Water Connections: 1/2" NPT
Venting: 3" horizontal/vertical kits available (sold separately)
Product identification
- Brand: Eccotemp
- Model / MPN: SH12-A-NG




