




The Havells Instanio Prime 4S Blue 15-Litre Storage Water Heater is designed to deliver efficient, safe, and consistent hot water for everyday bathing needs. Powered by a 2000W heating system, it ensures quick heating and reliable performance, making it ideal for families. Its elegant White & Blue finish with a vertical wall-mount design enhances the look of modern bathrooms.
Engineered for durability and safety, this water heater supports high pressure up to 8 bars, making it suitable for high-rise apartments. The built-in overheat protection ensures safe operation, while the high-efficiency heating helps optimize power consumption. Backed by Havells’ long-term warranty on the inner tank and heating element, it offers dependable performance and peace of mind for years to come.
| Rated Capacity (L) | 15 L |
| Color Options | white mustard |
| Wattage | 2000 W |
| Standing Loss in kWh | 0.419 kWh |
| Reheating Time in Minutes to Raise | 29 minutes |
| Color Changing Ring LED Indicators | Yes |
| Rated Input Current | 8.7 A |
| Rated Voltage & Frequency | 230 V, 1 Phase, 50 Hz AC |
| Height | 52.2 cm |
| Length | 30.8 cm |
| Weight When Empty | 8.6 kg |
| Tank Finish and Coating | Feroglas dry powder coating technology |
| Anode Rod Rust and Corrosion Resistance | Heavy duty magnesium anode rod with steel core to protect enamelled tank from rust and corrosion |
| Tank Warranty | 5 year |
| Heating Element Warranty | 2 Year |
| Thermal cut off | Yes |
| Heating Element | Incoloy 800 glass coated heating element offers superior heating performance and resistance to oxidation and carbonation at high temperatures |
| Installation | Vertical |
| Ideal for | Bathroom , High rise buildings |
| Whirl Flow Technology | Yes |
| Mixing Factor Maximum | 30% |
| External Tempertaure Ring LED Indicator | Yes |
| Rated Power Input | 2000 W |
| Star Rating | 4 Star |
| Energy Efficiency Feature | Energy saving high density PUF insulation |
| Width | 28.8 cm |
| Packing Dimensions LxWxH | 58.5 cm x 36 cm x 34.5 cm |
| Tank Material | Made of ultra thick super cold rolled steel plates |
| Extreme Hard Water Resistance | Yes |
| Rated Pressure | 0.8 MPa |
| Body and Electrical Components Warranty | 2 Year |
| Thermostat | Yes |
| Multifunctional safety valve | Yes |
| Net Contents | 1 N Storage Electric Water Heater , 1 N User Manual , 1 N Multi-Function Safety Valve, 1 N Mounting Bracket & 2 N Fasteners |












