1. Introduction
This manual provides essential information for the safe and efficient installation, operation, and maintenance of your Bajaj Shield Series New Shakti 25L Storage Water Heater. Please read these instructions carefully before using the appliance and retain them for future reference. This water heater is designed to provide hot water for domestic use, featuring a 25-liter capacity, 5-star energy rating, and advanced safety features.

Figure 1.1: Bajaj Shield Series New Shakti 25L Storage Water Heater.
2. Safety Information
Your safety and the safety of others are paramount. Please observe all safety precautions outlined in this manual. Failure to do so may result in injury or damage to the appliance.
- Professional Installation: Installation must be performed by a qualified technician in accordance with local regulations and this manual. Improper installation can lead to electric shock, fire, or water leakage.
- Electrical Safety: Ensure the power supply matches the appliance's requirements (2000 Watts). Do not use extension cords. The appliance features VoltagePro™ technology for 4.5KV surge protection.
- Water Pressure: This water heater is suitable for high-rise buildings, designed to withstand up to 8 bar pressure. Ensure your water supply pressure is within acceptable limits.
- Child Safety Mode: The water heater includes a Child Safety Mode which sets the cut-off temperature at 50°C to prevent accidental scalding.
- Maintenance: Disconnect power before any maintenance or cleaning. Do not attempt to repair the appliance yourself. Contact authorized service personnel.
- Ventilation: Ensure adequate ventilation around the appliance as specified in the installation guidelines.

Figure 2.1: Key safety features of the water heater.
3. Included Components
Carefully unpack the box and ensure all components are present and undamaged. If any items are missing or damaged, contact your retailer immediately.
- 1N: Bajaj Shield Series New Shakti 25L Storage Electric Water Heater
- 1N: Multi Function Valve
- 2N: Anchor Fastener Bolts
- 1N: Instruction Manual (this document)
- 1N: Warranty Card

Figure 3.1: Water heater unit and accessories as received in packaging.
4. Setup & Installation
Installation of the Bajaj Shield Series New Shakti 25L Storage Water Heater requires specialized knowledge and should only be carried out by a certified professional. Incorrect installation can void your warranty and pose significant safety risks.
4.1 Site Selection
- Choose a wall-mounted location that is structurally sound and can support the weight of the water heater when full (approximately 25 kg + 14 kg = 39 kg).
- Ensure the location is protected from freezing temperatures and direct sunlight.
- Allow sufficient clearance around the unit for maintenance and air circulation.
4.2 Mounting the Unit
- Use the provided anchor fastener bolts to securely mount the water heater to the wall.
- Refer to the detailed mounting template (if provided separately) for precise drilling locations.
4.3 Plumbing Connections
- Connect the cold water inlet and hot water outlet pipes.
- Install the Multi Function Valve on the cold water inlet as per local plumbing codes. This valve is crucial for safety and proper operation.
- Ensure all connections are watertight to prevent leaks.
4.4 Electrical Connection
- Connect the water heater to a dedicated electrical circuit with appropriate earthing.
- Verify that the voltage and current ratings of the circuit match the appliance's requirements (2000 Watts).

Figure 4.1: Product dimensions for installation planning.
5. Operating Instructions
Once installed by a professional, operating your water heater is straightforward.
5.1 Initial Startup
- Ensure the water heater tank is completely filled with water before switching on the power. Open a hot water tap in your home to allow air to escape and water to fill the tank. Close the tap once water flows steadily.
- Connect the power cord to a suitable electrical outlet.
- Turn on the main power supply to the water heater.
5.2 Temperature Control
The water heater is equipped with a DuraNte™ thermostat for precise temperature adjustment. Use the control knob located at the bottom of the unit to set your desired water temperature. The LED indicators will show the heating status.
5.3 Child Safety Mode
For enhanced safety, especially in households with children, the Child Safety Mode automatically limits the maximum water temperature to 50°C. This helps prevent accidental scalding. Consult your installer or the service center for details on activating/deactivating this mode if it's not controlled by the main thermostat.
5.4 Swirlflow Technology
The integrated Swirlflow technology optimizes water mixing within the tank, ensuring a more efficient heating process and delivering up to 20% more hot water output compared to conventional designs.

Figure 5.1: Operational features and safety modes.
6. Maintenance
Regular maintenance ensures the longevity and efficient performance of your water heater. Always disconnect the power supply before performing any maintenance.
- Tank Durability: The DuraAce™ tank features a marine-grade glassline coating for enhanced durability and corrosion resistance. This coating helps protect the inner tank from hard water effects.
- Heating Element: The DuraCoat™ non-stick heating element is designed for efficient performance and reduced scale buildup, making it easier to maintain.
- Anode Rod: The magnesium anode rod helps prevent corrosion inside the tank. It should be inspected and replaced periodically by a qualified technician, typically every 1-2 years depending on water quality.
- Cleaning: Wipe the exterior of the water heater with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Annual Inspection: It is recommended to have your water heater inspected annually by an authorized service technician to check for sediment buildup, anode rod condition, and overall operational integrity.

Figure 6.1: Internal components designed for durability and easy maintenance.
7. Troubleshooting
Before contacting customer service, please refer to the following common issues and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No hot water or insufficient hot water. |
|
|
| Water leaking from the unit. |
|
|
| Strange noises from the water heater. |
|
|
If the problem persists after attempting these solutions, please contact Bajaj customer support.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | Bajaj |
| Model Number | 150953 |
| Capacity | 25 litres |
| Power Source | Corded Electric |
| Wattage | 2000 Watts |
| Voltage | 4.5 Volts (Note: This value from source data seems unusually low for a water heater. Please refer to product label for actual operating voltage, typically 230V AC.) |
| Maximum Pressure | 8 Bars |
| Mount Type | Wall |
| Tank Material | Metal with DuraAce™ marine-grade glassline coating |
| Heating Element | DuraCoat™ non-stick heating element |
| Thermostat | DuraNte™ thermostat |
| Safety Features | VoltagePro™ (4.5KV surge protection), Child Safety Mode, Multiple Safety Systems, Magnesium Anode, LED indicators, Fire Retardant Cable |
| Efficiency | 5-Star Rated, High Efficiency (Swirlflow technology) |
| Item Weight | 14000 Grams (14 kg) |
| Dimensions (approx.) | 49.2 cm (H) x 32.9 cm (W) x 30.7 cm (L) |
9. Warranty & Support
Your Bajaj Shield Series New Shakti 25L Storage Water Heater comes with a 4-year warranty from Bajaj. Please refer to the included Warranty Card for detailed terms and conditions.
For any service, support, or warranty claims, please contact Bajaj Electricals Limited customer service.
Manufacturer Contact Information:
Bajaj Electricals Limited, # 45/47 Veer Nariman Road, Mumbai - 40001, Maharashtra
Always provide your model number (150953) and purchase details when contacting support.