LG WHD71RB4RP Water Purifier with True RO Filtration: Reviews & FAQs

LG WHD71RB4RP Water Purifier with True RO Filtration: Reviews & FAQs

LG WHD71RB4RP Water Purifier

LG is a world-renowned brand for home appliances such as TV, refrigerator, washing machines, etc. In a new addition to its already existing trusted products are water purifiers. LG WHD71RB4RP is one of its best water purifiers. It ensures you get the best quality drinking water for your family.

LG WHD71RB4RP provides hot, cold as well as normal water. Purifier from LG, ensures you get cold water at a minimum 5-degree centigrade and hot water at a maximum 90-degree centigrade instantly. The premium product comes with a storage capacity of 7.3 liters. The key features of the product include True RO Filtration, Dual Protection Stainless Steel Tank, and Digital Sterilizing care. It also utilizes the pre-carbon and ultrafiltration (UF) process to bring you purest water.

Multi-stage reverse osmosis (RO) system delivers safe drinking water via a multi-stage filtration method that removes contaminants. The True RO filtration system removes dissolved impurities like bacteria, viruses, heavy metal, pesticide, etc. which can cause water-borne diseases. RO is the only technology that can effectively remove those impurities and provide the purest form of water. It also includes a mineral cartridge. The cartridge adds essential minerals required to our body. It also enhances the taste of water giving you water sweet to taste.

The antibacterial stainless steel body of the storage tank stores water with maximum hygiene. It prevents the proliferation of bacteria in the tank. LG WHD71RB4RP water purifier utilizes an indirect cooling system without the use of cooling agents. Also, the vacuum insulated hot and cold water tank prevents heat loss. So, keeping water hot or cold for an enhanced duration. The purifier has a smart display for filter change indicator, UV Sterilizing indicator, and water temperature indicator. LG WHD71RB4RP delivers you the safest drinking water. 


How does LG WHD71RB4RP Water Purifier work?

LG WHD71RB4RP Water Purifier with True RO Filtration: Reviews & FAQs

LG WHD71RB4RP is a world-class water purifier. It brings pure cold, hot, and room temperature water at the tip of your finger. It involves a multi-stage purification system. So, let’s look at the steps involved in the purification process of the equipment.

Pre Filter candle

The first stage of the purification process involves the passage of water through the pre-filter candle. It removes the larger suspended particles from the water.

Sediment + Pre-Carbon filter

This is a combined second and third stage of the filtration. The sediment filter removes finer suspended particles from the water. It filters impurities like rust, deposits, particles, and sand present in the water.

The water passes through the pre-carbon filter. It filters impurities like rust, deposits, particles, and sand. It also absorbs odors, color, organic substances, VOCs (Volatile Organic Compounds) like free chlorine, chloroform, Trihalomethane, etc.

RO Membrane Filter

The penultimate filtration step involved in the system is the RO (reverse osmosis) membrane. Water contains dissolved impurities like bacteria, viruses, heavy metal, pesticide, etc. which can cause water-borne diseases. RO is the only technology that can effectively remove those impurities and provide the purest form of water.

RO filtration helps eliminate all kinds of impurities in contaminated water. This even includes heavy metals and viruses that cannot be eliminated with conventional filters. It can also remove ionic substances, heavy metals, microorganisms, bacteria, and viruses. It removes particles up to 0.0001 μm size.

Post Carbon Block Filter

The ultimate step involved in the purification of water is post-carbon block filtration. This filter removes the odor from the filtered water. It also enhances the taste of water.

In, addition to all these features, the filter also comes with a mineral booster. It adds essential minerals required for your body. The minerals added also enhances the taste of water.


Features Of  LG WHD71RB4RP Water Purifier

  • True RO Filtration
  • Storage capacity of 7.3 liters
  • Dual protection Stainless steel water tank
  • Antibacterial water tank
  • The indirect cooling system without the use of coolants
  • Provides hot, cold, and room temperature water
  • Heats water up to 90°C instantly
  • Cools water up to 5°C instantly
  • Keeps water hot or cool for an enhanced period
  • Vacuum insulated hot and cold water tank
  • Digital Sterilization
  • High-Efficiency Compressor
  • Multifunctional faucet
  • Child lock safety feature
  • Smart lighting feature
  • UF water for vegetable and fruit cleaning
  • No mixing of non-RO filtered water
  • Mineral cartridge adds minerals and taste
  • Balanced pH level
  • Filter Replacement Indicator
  • Separate water temperature indicators for hot and cold water
  • Hot, cold, and continuous water supply button
  • Attractive and smart design
  • Easy and free installation
Best Buy Link: https://amzn.to/32RaGaA

Frequently Asked Questions

What is the installation charge of the LG WHD71RB4RP Water Purifier?

The installation charge is free of cost.

What are the key features of the product?

The key features of the product include True RO Filtration, Dual Protection Stainless Steel Tank, and Digital Sterilizing care.

What is the storage capacity of the purifier?

The storage capacity of the tank is 7.3 liters.

What is the storage tank made of?

The storage tank is made of stainless steel.

What is the specialty of the stainless steel chamber?

The stainless steel chamber is vacuum insulated for hot and cold water. The tank is antibacterial. The digital sterilization sterilizes water in the tank.

What are the different compartments of the storage tank?

There are three different storage compartments for hot water, cold water, and room temperature water.

What is the storage capacity of the hot and cold water tank?

The storage capacity for hot water is 1.3 liters and 2 liters for cold water. It also stores 4 liters of room temperature water.

Does LG WHD71RB4RP Water Purifier dispense hot and cold water?

Yes. The purifier dispenses hot as well as cold water.

What is the cooling capacity of the purifier?

LG WHD71RB4RP Water Purifier can cool water up to 5°C.

What is the heating capacity of the purifier?

It can heat water to a temperature of 90°C.

Can the LG WHD71RB4RP Water Purifier dispense room temperature water?

Yes. It dispenses room temperature water.

How can we check for the TDS source before buying a Water Purifier?

You must purchase a TDS meter before installing the water purifier. Given are the condition to check on the TDS level before installation of the water purifier.

  • Use a UF Water Purifier if TDS is less than 200.
  • RO Water Purifier is best if TDS is greater than 200. 
  • On the other hand, if TDS is greater than 2000- Domestic Water Purifier cannot be used. Buy a water softening solution.

What is the purification method of the LG WHD71RB4RP Water Purifier?

The purification method of the purifier is true reverse osmosis (RO).

Does it have a UV chamber?

No. LG WHD71RB4RP Water Purifier doesn’t contain a UV chamber. It does have a UV sterilization in the storage tank to prevent the breeding of bacteria.

Does it have a UF chamber?

Yes. The water purifier is equipped with a UF chamber.

Does LG WHD71RB4RP Water Purifier add minerals to the water?

Yes. It adds essential minerals to the water.

What are the color options available for the product?

The product is available in two colors i.e. Black and White.

What are the filtration technologies used in LG WHD71RB4RP Water Purifier?

The filtration technologies used in the product are Pre-Filter, Sediment+Pre-Carbon, RO membrane Filter, and Post carbon block filter.

Is the booster pump available in the purifier?

No. The booster pump is not provided with the LG WHD71RB4RP Water Purifier.

Is the device electrical or gravity type?

The LG Water Purifier is an electrical product.

Is the device wall mountable?

No. The LG WHD71RB4RP Water Purifier should be placed on top of the table.

Can it be used for hard water?

Yes. It can be used for hard as well as soft water.

Would we be able to dispense water if there is no electricity?

Yes. You can dispense water from the purifier if there is no electricity. The water can be dispensed only if you have pre-filtered water stored in the tank if no electricity.

Can this product purify municipal tap water or bore water?

Yes. LG WHD71RB4RP Water Purifier purifies bore water, municipal water, groundwater, or mixed water.

Is the child lock safety feature available in the product?

Yes. The child lock safety feature is available in the purifier.

What is the weight of the LG WHD71RB4RP Water Purifier?

The weight of the product is 18 kilograms.

What is the dimension of the product?

The dimension of the LG WHD71RB4RP Water Purifier is (WxLxH = 29 x 48.5 x 52 cms).

What are the indicators present in LG WHD71RB4RP Water Purifier?

The purifier has a filter replacement indicator, separate hot and cold water indicators. A child lock indicator is also present in the product.

What is the warranty period of the LG WHD71RB4RP Water Purifier?

The purifier comes with a year standard warranty and 10 years extended warranty on a stainless steel tank.

What is the customer care number of the LG WHD71RB4RP Water Purifier?

The customer care number is 1800-315-9999.


Cuckoo Fusion Top Water Purifier Vs LG WHD71RB4RP Water Purifier

Variables Cuckoo Fusion Top Water Purifier LG WHD71RB4RP Water Purifier
Dimension 26 cm x 48.2 cm x 50.5 cm 29 cm x 48.5 cm x 52 cm
Weight 16.5 kilograms 18 kilograms
Color White, Black White, Black
Installation type Desk Top  Desk Top 
Storage Capacity 5.2 liters (1.8 liters normal, 2 liters cold, 1.4 hot) 7.3 liters (4 liters normal, 2 liters cold, 1.3 hot)
Heating/Cooling  Capacity 80℃ / 5℃ 90℃ / 5℃
Technology used Pre-Filter, Sediment, Pre-Carbon, Cuckoo’s RO Filter, and Alkali Mineralizer Pre-Filter, Sediment+ Pre-Carbon, RO membrane Filter, and Post carbon block filter
Storage Tank Material Anti-bacterial stainless steel Anti-bacterial stainless steel
Indicators Operating status indicator and full tank indicator Filter replacement indicator, Separate water temperature indicators for hot and cold water
Installation Charge Free Free
Warranty 12 months+ 3 years of extended warranty on electronics and electrical components 12 months+ 10 years of extended warranty on stainless steel tank

Final Words

LG WHD71RB4RP Water Purifier is a premium product from LG. The price range of the water purifier is slightly on the expensive side. But, the high-end product brings the healthiest and safest water to your home. The multistep purification process ensures you of that. The filter comes with True RO filtration and an antibacterial stainless steel tank. The vacuum insulated hot and cold water steel tank prevents the heat loss from the tank. Keeping the water hot or cold for a longer period. So, the purifier may be on the expensive side but it is worth its value for the money.


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