Zanskar Hotspring™ Tankless Electric Water Heater 18 KW
₹39,990.00 inc. 18% GST
Zanskar Hotspring™ 18 kW Tankless Electric Water Heater with nickel-chromium heating elements, digital touch-screen temperature control, automatic thermostat and multiple safety protections. 3-phase HSTB18 model with 6-bar maximum pressure and compact 396 × 220 × 88 mm design.
Description
Zanskar Hotspring™ 18 kW Tankless Electric Water Heater
Zanskar Hotspring 18 kW tankless electric water heater is a high-performance, fully electronic water heating solution designed for Indian homes that need a powerful and continuous supply of hot water. Unlike a conventional storage geyser, this tankless water heater heats water on demand, helping eliminate the need for a large storage tank while providing hot water when you need it.
The HSTB18 combines a compact design with nickel-chromium heating elements, electronic temperature control, an LED digital display and multiple safety features. Its 18 kW rated output makes it suitable for larger showers and higher hot-water demand, subject to incoming-water temperature, flow rate and installation conditions.
Why Choose the Zanskar Hotspring 18 kW Tankless Electric Water Heater?
The Zanskar Hotspring 18 kW tankless electric water heater is designed for convenient, on-demand hot water. Water is heated as it passes through the appliance, so there is no conventional storage tank to preheat. This can be particularly useful for homes where space is limited or where continuous hot water is preferred.
The appliance uses nickel-chromium heating elements and a stainless-steel heating assembly. Zanskar’s product information also highlights resistance to hard-water conditions, electronic temperature control and an automatic memory function.
Powerful 18 kW Performance
With an 18 kW rated output, the HSTB18 is positioned in Zanskar’s higher-capacity tankless range and is intended for larger and higher-demand shower applications. Actual hot-water flow and temperature performance depend on the incoming water temperature, selected outlet temperature, water flow and available electrical supply.
Precise Digital Temperature Control
The integrated LED digital display shows temperature information, while the touch-screen controls allow convenient temperature adjustment. The automatic thermostat helps regulate the water temperature, and the automatic memory function can retain the selected setting for convenient everyday operation.
Advanced Safety Protection
The Zanskar Hotspring series incorporates a patented heating-module system with multiple protection functions. These include electricity-leakage protection, anti-scalding protection, overpressure protection and overheat protection. An error code can also be displayed on the digital screen to assist with troubleshooting.
Compact Design with Flexible Installation
Despite its high heating capacity, the HSTB18 has a compact body measuring approximately 396 × 220 × 88 mm (H × W × D) according to Zanskar’s current technical documentation. The compact form factor helps reduce the wall space required compared with many conventional storage water heaters.
The Zanskar Hotspring bathroom series is designed for two-way installation, allowing installation in either a vertical or horizontal orientation where permitted by the manufacturer’s installation instructions.
Key Features
- 18 kW rated output for high-demand hot-water applications
- Tankless, on-demand heating without conventional hot-water storage
- Nickel-chromium heating elements for effective heating
- LED digital display for temperature information
- Touch-screen temperature control
- Automatic thermostat for temperature regulation
- Automatic memory function for convenient operation
- Error-code display for easier troubleshooting
- Electricity-leakage protection
- Anti-scalding protection
- Overpressure protection
- Overheat protection
- IP25 protection rating
- Maximum working pressure: 6 bar
- 3-phase electrical supply
- Compact 396 × 220 × 88 mm body
Zanskar Hotspring 18 kW Technical Specifications
| Specification | Details |
|---|---|
| Brand | Zanskar Hotspring™ |
| Model | HSTB18 |
| Product Type | Tankless Electric Water Heater |
| Rated Output | 18 kW |
| Phase | 440 V 3 Phase with Neutral and Earth |
| Circuit Breaker | 32A |
| Recommended Wire | 5 × 6 mm² |
| IP Rating | IP25 |
| Maximum Pressure | 6 bar |
| Inlet Size | G1/2″ |
| Heating Element | Nickel-Chromium |
| Body/Casing | High-strength ABS casing |
| Installation | Vertical / Horizontal, subject to manufacturer instructions |
| Display | LED Digital Display |
| Temperature Control | Touch-screen electronic control |
| Safety Protection | Electricity leakage, anti-scalding, overpressure and overheat protection |
| Weight | 4.6 kg |
| Dimensions (H × W × D) | 396 × 220 × 88 mm |
| Colour | White |
Technical specifications are based on Zanskar’s available HSTB18 technical documentation. Electrical installation should always be verified against the product nameplate and installation manual supplied with the unit.
Ideal Applications
The Zanskar Hotspring 18 kW tankless electric water heater is designed for bathrooms requiring higher hot-water output. It can be considered for larger showers and rain-shower applications where the electrical infrastructure and water supply are suitable for an 18 kW three-phase appliance.
- Large bathroom showers
- Rain-shower applications
- High-demand residential bathrooms
- Indian homes with suitable three-phase electrical supply
- Homes where compact, wall-mounted water heating is preferred
For the best results, the heater should be selected according to shower size, incoming water temperature and local winter conditions. Zanskar’s sizing guidance places the 18 kW model among its higher-capacity options for larger showers. View Zanskar’s Tankless Water Heater Range official Zanskar Tankless Water Heater range.
Installation and Electrical Requirements
The HSTB18 is a three-phase 18 kW appliance and requires an appropriately sized electrical installation. Zanskar’s current technical documentation specifies a 32A circuit breaker and 5 × 6 mm² wiring for the HSTB18.
This is a high-power electrical appliance and should not be treated like a standard plug-in geyser. Installation should be carried out by a qualified electrician and plumber in accordance with the manufacturer’s instructions and applicable electrical safety requirements.
Before installation, confirm the available three-phase electrical supply, cable size, protective devices, earthing and plumbing arrangement. Do not switch on the appliance unless the water connections and electrical installation have been correctly completed.
For additional general guidance, see our Electric Water Heater Installation Guide.
Safety and Protection
Safety is an important part of the Zanskar Hotspring design. The appliance incorporates protection against electrical leakage, overheating, overpressure and scalding. The IP25 rating also provides protection appropriate to the appliance’s specified environment.
However, built-in protection does not replace correct installation. Always ensure proper earthing, correctly rated electrical protection and suitable water connections. Never modify the appliance’s electrical or safety systems.
Indian Design and Certification
Zanskar positions the Hotspring range as products designed in India for Indian homes. The manufacturer also publishes technical information covering the HSTB18 model, including its 18 kW output, three-phase configuration, IP25 rating and 6-bar maximum pressure.
GeyserMart’s listing states that this product carries Indian certification and an ISI Mark. For certification-related verification, customers can consult the Bureau of Indian Standards (BIS) Know Your Standard portal. BIS explains that its portal can be used to search standards and related certification information.
Frequently Asked Questions
What is the power rating of the Zanskar Hotspring HSTB18?
The Zanskar Hotspring HSTB18 has a rated output of 18 kW and uses a three-phase electrical connection.
Is the Zanskar Hotspring 18 kW a storage geyser?
No. It is a tankless electric water heater that heats water on demand as it passes through the heating system rather than storing hot water in a conventional tank.
What wire size is required for the HSTB18?
Zanskar’s current technical documentation specifies 5 × 6 mm² wiring for the 18 kW HSTB18 model. The documentation also specifies a 32A circuit breaker. Final installation must be verified by a qualified electrician against the manufacturer’s instructions and the actual site conditions.
What is the maximum pressure of the Zanskar Hotspring 18 kW?
The specified maximum water pressure is 6 bar.
What is the IP rating of the HSTB18?
The HSTB18 has an IP25 protection rating according to Zanskar’s technical documentation.
What are the dimensions of the 18 kW Zanskar Hotspring?
The current Zanskar technical documentation specifies dimensions of approximately 396 × 220 × 88 mm (H × W × D).
Does the HSTB18 have temperature control?
Yes. The appliance features an LED digital display and electronic touch-screen temperature control, along with an automatic thermostat and memory function.
What safety features does the Zanskar Hotspring have?
The product information lists electricity-leakage protection, anti-scalding protection, overpressure protection and overheat protection. An error code can also be shown on the display to assist with troubleshooting.
Explore More Tankless Water Heaters
If 18 kW is not the right capacity for your bathroom, compare it with other Zanskar Hotspring models available from GeyserMart:
- Zanskar Hotspring 12 kW Tankless Electric Water Heater
- Zanskar Hotspring 24 kW Tankless Electric Water Heater
- View All Zanskar Hotspring Water Heaters
- Shop Tankless & Online Water Heaters
Order the Zanskar Hotspring 18 kW Tankless Electric Water Heater
If you need a powerful, compact and continuous hot-water solution for a larger bathroom, the Zanskar Hotspring 18 kW tankless electric water heater is a strong option to consider. Its high 18 kW output, digital temperature control, compact body and multiple safety protections make it suitable for higher-demand residential shower applications when the site’s electrical and plumbing infrastructure is correctly matched to the appliance.
Always verify the electrical supply, wiring, protective devices and installation requirements before purchase and installation.
Additional information
| Weight | 4.6 kg |
|---|---|
| Dimensions | 88 × 220 × 396 mm |
| Adjustable Thermostat | Yes |
| BEE Star | N/A |
| Body Material | Plastic |
| Capacity (Liter) | Tankless |
| Classification | Tankless Water Heater |
| Color | White |
| Earth Leakage Circuit Braker | No |
| Mount Type | Horizontal Universal, Vertical |
| Remote Option | No |
| Temperature Display | No, Yes |
| Thermal Cutout | Yes |
| Thermostat | Yes |
| Voltage | AC 440 V Three phase, 5 wire |
| Warantee | 2 year full |
| Wattage | 18 Kw |
| Country Of Origin | Make In India |
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