Order before 3:00 PM to get same-day delivery in
Noida, West Ghaziabad, and East Delhi.
Heavy items may take longer to deliver.
Tuesday is our weekly off.
- Low stock
AO Smith FAST-ON 3kW – Instant Heating | 5-Star Efficiency | Hard Water Compatible | BlueShield Anti-Rust Tank | Made for Indian Homes
Same Day Delivery
₹500 OFF on ₹2499+ use " NEW500"
Use Coupon Code: NEW500
Get ₹500 OFF — Hurry! Limited Period Offer.
Only coupon per user! 2499+
Not applicable to wires
₹150 OFF on ₹999+ use " NEW150"
Use Coupon Code: NEW150
Get ₹150 OFF — Hurry! Limited Period Offer.
Only coupon per user! 999+
Not applicable to wires
7 Days Replacement
Free Delivery
100% Genuine
GST Bill Only
At Onecube, your family’s safety always comes first.
We source every product directly from official company channels with GST invoices, and deliver to you with a valid GST invoice ensuring only genuine, time-tested, and authentic products.
Product Information
AO Smith FAST-ON 3kW Instant Water Heater (3L) – Product Description
Enjoy instant hot water in seconds with the AO Smith FAST-ON 3kW Instant Water Heater. Designed for fast performance and long-lasting durability, this compact geyser is perfect for kitchens, wash areas, and small bathrooms.
Powered by a high-efficiency 3kW heating element, it delivers quick heating without wasting time. The Blue Diamond Glass-Lined Tank provides strong protection against corrosion and scaling, making it ideal for hard-water conditionscommonly found across India.
Safety is a top priority—FAST-ON comes with multi-layer safety features like a thermostat, thermal cut-out, and advanced pressure control to ensure safe operation every day. The sleek, space-saving design allows easy installation even in small spaces.
Backed by trusted AO Smith quality, this geyser is built to last and deliver reliable performance for years.
Warranty
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5 Years on Inner Tank
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2 Years on Heating Element
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2 Years on Product
Choose AO Smith FAST-ON for fast heating, energy efficiency, safety, and long-term durability for your home.
Shipping
We deliver to Delhi, Noida, and Ghaziabad. For heavy products, additional shipping charges may apply for distances over 15 km from Anand Vihar.