4.2 GPM Propane Tankless Water Heater Whole House 120K BTU 98% Indoor On Demand
Specifications
| Brand | ThermoMate |
| Voltage | 120 V |
| 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 |
Unlimited hot water for larger households and busy families. The CZ422LP Propane Tankless Water Heater delivers 4.2 GPM and 120,000 BTU—enough for 3-4 fixtures simultaneously. No more cold showers when multiple taps run. ±1°F precision eliminates frustrating temperature fluctuations. Oxygen-free copper heat exchanger achieves 98% thermal efficiency, saving up to 30% on energy costs versus traditional tank heaters. 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 during storms. Smart 3.5" LED touchscreen displays real-time water flow, fan status, and error codes. Ultra-quiet operation (<45 dB). Compact size fits in 1/3 the space of tank models.