Ranein × Vancepic Tankless Water Heater Natural Gas, Max 4.3 GPM 100,000 BTU Indoor On Demand Instant Hot Water Heater with Smart Temperature Control V-RH10K-NG-01A

Endless Hot Water for Whole House: 100,000 BTU power & 4.3 GPM max flow, supporting 3–4 simultaneous taps (shower/kitchen/bar/bathtub)—solves hot water shortages for large families or multi-bathroom homes.

Smart Constant Temperature Comfort: Advanced technology maintains stable water temperature (95°F-149°F adjustable), auto-balancing flow and heat—no sudden spikes/drops, safe for infants and elders.

3 Practical Smart Modes: 4-Season (auto-adapts to inlet temp), Kitchen (100°F adjustable), Bathtub (50–800L with full-water beep)—effortlessly meets diverse household hot water demands.

Energy Efficient & Cost Saving: On-demand heating eliminates standby waste; oxygen-free copper tank minimizes heat loss—lowers monthly natural gas bills and supports eco-friendly living.

Space-Saving Wall-Mounted Design: Compact natural gas tankless heater fits apartments, small homes, and renovations—wall-mounted installation frees up valuable floor space.

Comprehensive Safety Protections: Equipped with overheat, dry-burn, pressure relief, child lock and safe exhaust system—ensures safe operation for the whole family.

Anti-Freeze & Pro Installation: Built-in anti-freeze function resists temps down to 14°F (-10°C); drain the tank if temp drops below this to prevent cracking. Includes exhaust pipe, fits 1/2" NPT ports. Licensed technician installation required; not for elevations >2,000 ft.