| Brand | ThermoMate |
|---|---|
| Features | Digital Display, Electric, LED touchscreen, oxygen-free copper, thermal efficiency of 98%, UL-certified 120V/5-foot power cord, Low Noise Operation, Advanced Flow Regulation, Multiple Safety Protections, High Energy Efficiency |
| Mounting Location | Indoor, Wall, Whole House |
| Power Source | NG (Natural Gas) |
| Voltage | 120 V |
| Heating System | Instantaneous (Tankless) |
| Type | Tankless Water Heater/Boiler |
| Color | Silver |
| Water Temperature Range | 90℉ to 140℉ |
| Item Width | 13 in |
| Item Height | 21 in |
| Water Connection Location | Bottom |
| Water Connection | 3/4 in NPT |
| Gas Inlet | 1/2" NPT |
| BTU/h Heating Rating | 113,000 BTU |
| Water Heater Profile | Large |
| Minimum Flow Activation | Less Than 1 gpm |
Check the listing for details. 4.2 GPM Natural Gas Tankless Water Heater Whole House 120K BTU 98% High Capacity. Color: Silver, Condition: New. Listed at 399.99 USD. Endless hot water for larger households. The CZ422NG Natural Gas Tankless Water Heater delivers 4.2 GPM and 120,000 BTU—enough for 3-4 fixtures simultaneously. Never run out of hot water during back-to-back showers. ±1°F precision eliminates sudden temperature swings. Oxygen-free copper heat exchanger achieves 98% thermal efficiency, saving up to 30% on energy costs versus traditional tanks. Built with 8 safety protections including freeze protection, flame failure, and overheat shutdown. DC high-speed fan withstands hurricane-force winds up to 111 mph—no flameouts in storms. Smart 3.5" LED touchscreen shows real-time diagnostics. Ultra-quiet operation (
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