Description
✅ 7-Year Tank · 4-Year Heating Element · 2-Year Comprehensive Warranty — Authorised AO Smith Partner · 100% Genuine · Mahajan Electronics Since 1979
Made in India for Indian water conditions. 24-hour delivery Delhi NCR. GST invoice — save up to 18%.
💧 AO Smith 100L Storage Water Heater. Blue Diamond® Glass-Lined Tank. Glass-Coated Incoloy Element. 2X Anode Rod. PUF Insulation. 7-Yr Tank Warranty. HSE-HAS-100.
The AO Smith HSE-HAS-100 is the 100-litre high-capacity storage water heater for large households, hostels, PGs, salons, gyms, and light commercial establishments that require continuous hot water supply. All the core AO Smith engineering that makes the HAS 70 RHS the best hard-water geyser in the range — Blue Diamond® corrosion-resistant glass-lined tank, Glass-Coated Incoloy scale-resistant heating element, 2X long-lasting special alloy anode rod, Advanced PUF insulation — in a 100-litre format that serves multiple simultaneous users without reheating delays. 7-year tank warranty. Made in India for Indian water conditions.
Blue Diamond® Glass-Lined Tank — why tank lining matters more at 100L than at smaller capacities
A 100-litre storage water heater holds approximately 100kg of water in continuous contact with the inner tank surface — and in Delhi NCR's hard water supply (TDS 300–600 mg/L, calcium hardness 150–400 mg/L as CaCO₃), that water is aggressively corrosive to bare steel. In a commercial context (hostel, salon, gym), the water heater cycles through heat-up and draw-down sequences multiple times daily — more thermal cycles than residential use, more expansion and contraction stress on the inner tank lining, and higher cumulative corrosion exposure from the larger daily water volume. Standard glass-lined tanks use a frit coating that develops micro-cracks under repeated thermal cycling, allowing hard water to reach and oxidise the underlying steel — producing rust contamination of the hot water and progressive tank wall weakening. AO Smith's Blue Diamond® glass composition is engineered with a Coefficient of Thermal Expansion (CTE) matched to the steel tank body, so the glass and steel expand and contract together through each heating cycle without developing the micro-cracks that allow corrosion to initiate. For a 100L commercial water heater that may complete 4–6 thermal cycles daily in a salon or hostel application, the Blue Diamond® lining's thermal fatigue resistance is more critical than in residential use — and the 7-year tank warranty is AO Smith's commitment that this engineering holds at commercial duty cycles.
Glass-Coated Incoloy Element — scale resistance that matters most in high-throughput commercial use
In a hostel or salon where the 100L tank is repeatedly drawn down and refilled with fresh hard water, scale accumulation on the heating element accelerates relative to residential use — each fill introduces a new charge of calcium and magnesium ions that precipitate onto the element surface during heating. A standard stainless steel or copper element in this environment accumulates scale progressively, with measurable efficiency loss within 12–18 months and element failure within 2–3 years. The Incoloy alloy's chromium-rich passive oxide layer resists scale adhesion; the glass coating adds a second smooth-surface barrier that further reduces mineral bonding. The 4-year element warranty (double standard 2-year coverage) reflects the engineering advantage in exactly the high-throughput hard-water conditions where commercial installations operate. For a salon owner or hostel manager calculating the total cost of ownership of a water heater, the longer element life eliminates 1–2 element replacement service calls over the warranty period — each of which costs ₹1,500–₹3,000 in parts and labour.
Advanced PUF Insulation — standby heat retention at 100L scale and why it matters for commercial running costs
A 100-litre tank has approximately 43% more surface area than a 70-litre tank of similar proportions — which means proportionally more surface through which heat can escape to the environment. Without high-quality insulation, a 100L tank loses heat faster in absolute terms than a 70L tank. PUF (Polyurethane Foam) insulation, injected to fill the complete space between inner tank and outer shell, achieves thermal conductivity of 0.022–0.026 W/m·K — minimising standby heat loss to approximately 1–2°C per hour regardless of tank size. For a salon or gym that keeps the water heater at operating temperature throughout an 8–10 hour working day, the difference between PUF and standard mineral wool insulation in daily electricity cost is measurable — the thermostat cycles the element on to compensate for standby loss less frequently, directly reducing the unit's daily electricity consumption during non-draw periods.
2X Long-Lasting Anode Rod
Sacrificial anode rod provides cathodic protection — it corrodes preferentially to protect the steel tank body. The special alloy rod in the HSE-HAS-100 lasts 2× longer than conventional magnesium rods. In a commercial installation where maintenance access requires shutdown during business hours, longer anode life means fewer service interruptions. For hostels and PGs where the water heater runs continuously, the extended anode interval is a direct maintenance cost reduction.
Bottom Inlet/Outlet + Vertical Indoor Mount
Bottom inlet and outlet connections allow the 100L unit to be wall-mounted high with plumbing connections made at accessible working height — important for a unit that weighs approximately 100kg when full. Vertical indoor installation is the standard configuration for commercial spaces where ceiling height is typically adequate. The bottom plumbing configuration also minimises air-lock risk during filling and ensures complete tank drainage during service.
Temperature Control Knob
Manual thermostat knob adjusts set temperature from approximately 25°C to 75°C. For a salon serving different treatments (35–40°C for hair wash, 55–60°C for sterilisation), a hostel where management wants to prevent scalding risk (set 45–50°C), or a gym where post-workout shower temperature preference varies, the adjustable thermostat allows the single 100L unit to serve multiple purposes by adjusting for each use period or setting a safe compromise temperature.
Made in India · GST Invoice for B2B
Manufactured in India specifically calibrated for Indian water TDS, hardness, and pH profiles. For commercial and B2B buyers — salons, hostels, clinics, gyms, restaurants — the GST invoice from Mahajan Electronics enables input tax credit recovery on the purchase, reducing the effective cost by up to 18%. Mahajan Electronics' 45+ year commercial supply track record in Delhi NCR means institutional buyers receive the same service standards as retail customers.
🎯 Ideal for
| Brand | AO Smith |
| Model | HSE-HAS-100 |
| Capacity | 100 Litres |
| Type | Storage Water Heater (Electric Geyser) |
| Installation | Indoor — Vertical wall mount |
| Inner tank | Blue Diamond® Glass-Lined Steel |
| Heating element | Glass-Coated Incoloy — scale + corrosion resistant |
| Anode rod | Special alloy — 2× life vs magnesium rods |
| Insulation | Advanced PUF — low standby heat loss |
| Plumbing | Bottom inlet/outlet |
| Temperature control | Manual knob — ~25°C to 75°C |
| Power source | Corded Electric |
| Colour | White |
| Country of origin | Made in India |
| Warranty — tank | 7 Years |
| Warranty — element | 4 Years (2+2 extended) |
| Warranty — product | 2 Years Comprehensive |
🛡️ 3-Tier Warranty — Same as HAS 70 RHS, at 100L Scale
100L. Blue Diamond® Tank. Incoloy Element. 2X Anode. PUF Insulation. 7-Yr Tank Warranty. Order today.
India's hardest water. AO Smith's toughest tank. Now at 100L for commercial and large-family use. 24-hour delivery Delhi NCR. GST invoice. Genuine AO Smith — Mahajan Electronics since 1979.
Warranty T&C apply — 7-year tank, 4-year element (2+2), 2-year comprehensive. Product image for reference. Made in India for Indian water conditions.











