Water purifier NZ
RUHENS WHP-3700 hot and cold water purifier
A compact water purifier for NZ homes, designed for municipal tap water with instant hot, cold, and ambient dispensing, three-stage filtration, and buy or rental options from WaterWise.
RUHENS Model WHP-3700
Enjoy pure, refreshing water exactly the way you like it with the RUHENS WHP-3700. This sleek and efficient water purifier delivers instant hot, cold, and ambient water at the touch of a button, featuring an advanced filtration system and user-friendly design.
Instant Hot, Cold & Ambient Water
Hot Water Boost Function
Advanced 3-Stage Filtration
Choose your plan
📦 Pick-up option available
Key Features
- Instant Hot, Cold & Ambient Water (Hot: 80-90°C, Cold: 4-12°C)
- Hot Water Boost Function (up to ~95°C)
- Advanced 3-Stage Filtration (Micro Carbon, Nanofact Plus, Post Carbon Block)
- Direct Cooling System
- Smart ECO Mode (Illuminance Sensor)
- User-Friendly Touch Controls with LED Indicators
- Precise Volume Control (120ml, 550ml, 1500ml) & Continuous Dispensing
- Hygienic Separable Water Faucet
- Slim & Modern Aesthetics
- Child Safety Lock
- Buzzer ON/OFF
- Filter Replacement Indicator
Specifications
- Model
- WHP-3700
- Type
- Hot & Cold Water Purifier
- Dimensions (W x D x H)
- 240mm x 488mm x 373mm
- Weight
- 15kg
- Power Supply
- 220V-240V / 50Hz
- Cold Water Capacity
- Approx. 0.9 Liters
- Cold Water Temperature
- Approx. 4°C ~ 12°C
- Hot Water Capacity
- Approx. 1.2 Liters
- Hot Water Temperature (Normal)
- Approx. 80°C ~ 90°C
- Hot Water Temperature (Boost Mode)
- Up to ~95°C
- Power Consumption (Motor)
- 0.45A
- Power Consumption (Heater)
- 920W - 1100W
- Operating Pressure
- 127 ~ 490 kPa
- Operating Temperature
- 5°C ~ 35°C
- Feed Water
- Tap Water
- Recommended Daily Consumption
- 10 Liters (based on 4 people)
Frequently Asked Questions
This water purifier is specifically designed for use with municipal tap water only. It is not suitable for:
- Rainwater
- Underground water
- Untreated water sources
Filtration System Stages
| Stage | Filter Details |
|---|---|
| 1st Stage | Micro Carbon Filter (Carbon Block) |
| 2nd Stage | Nanofact Plus Filter (Cellulose, Activated Carbon) |
| 3rd Stage | Post Carbon Block Filter (Carbon Block) |
Warranty: Standard Manufacturer Warranty. Use genuine RUHENS filters and parts.
The End of the Kettle: Instant Hot, Cold & Ambient Water
Experience unparalleled convenience with four pre-set temperatures and advanced features that make traditional kettles obsolete.
Multiple Temperatures on Demand
Four pre-set temperatures (4°C, 20°C, 85°C, 95°C) give you perfect water for any occasion - from refreshing cold drinks to hot beverages.
- 4°C - Perfect for refreshing cold drinks
- 20°C - Room temperature for sensitive beverages
- 85°C - Ideal for most hot beverages
- 95°C - Perfect for tea, coffee, and instant noodles
Hot Water Boost Function
Boost hot water to 95°C for perfect brewing. This feature makes traditional kettles unnecessary, providing instant hot water for tea, coffee, or instant noodles.
Perfect for: Tea brewing, coffee preparation, instant noodles, and any recipe requiring near-boiling water.
ECO Mode
Smart power-saving ECO mode reduces electricity consumption by sensing ambient light and disabling functions at night.
Automatic energy savings when not in use, helping reduce your power bills.
Beyond Basic Filters: Introducing NanoFACT® PLUS Technology
Our cutting-edge filtration system goes far beyond simple taste and odour removal, providing comprehensive protection against waterborne contaminants.
NanoFACT® PLUS Filter
This revolutionary technology removes waterborne microorganisms, bacteria, and even noroviruses, providing protection that goes far beyond basic filtration.
Multi-Stage Process
Our comprehensive three-stage filtration system ensures maximum purity and addresses customer concerns about tap water quality.
Stage 1: Micro Carbon Filter
Removes chlorine, taste, and odour for better-tasting water.
Stage 2: NanoFACT® PLUS Filter
Advanced nano-filtration removes microorganisms and bacteria.
Stage 3: Post Carbon Block Filter
Final polishing for ultimate purity and taste.
Smart, Safe, and Simple to Use
Designed with modern families and offices in mind, featuring advanced safety features and intuitive controls.
Child Safety Lock
One-touch safety lock prevents accidental dispensing of hot water, providing peace of mind for families with young children.
Critical safety feature that directly addresses concerns of health-conscious families with children.
- One-touch activation/deactivation
- Prevents accidental hot water dispensing
- Visual indicator when lock is active
Precise Quantity Control
Pre-set dispensing volumes (120ml, 550ml, 1500ml) for added convenience and precise portion control.
Plus continuous dispensing option for larger containers or cooking needs.
Ready to Transform Your Water Experience?
Choose your preferred option and start enjoying pure, perfectly temperature-controlled water today.
Buy Outright
Own your machine completely
$1099
One-time payment
- Full ownership of the machine
- Complete warranty coverage
- No monthly payments
- All filters included
Rent Monthly
Low upfront cost
$59
per month
- Low upfront investment
- All-inclusive service
- Filter replacements included
- 36-month contract
Buyer answers
Compare water purifier, dispenser, rental, and filter questions
The RUHENS WHP-3700 fits searches for a home water purifier, filtered hot and cold dispenser, and rental purifier when the water source is municipal tap water.
- Water source
- Municipal tap water
- Temperature options
- Cold, ambient, hot, and hot boost
- Filter system
- Micro Carbon, NanoFACT Plus, and Post Carbon Block
- Best fit
- NZ homes wanting filtered drinking water plus hot, cold, and ambient dispensing from one unit
What it is not designed for
The WHP-3700 should not be positioned as a whole-house, rainwater, bore-water, or untreated-water purifier. Content should direct those searches to water-quality testing and suitable pre-treatment before drinking-water use.
- What is the RUHENS WHP-3700?
- The RUHENS WHP-3700 is a hot and cold water purifier for municipal tap water. It dispenses cold, ambient, and hot water and uses a three-stage filtration system.
- How much does the RUHENS WHP-3700 cost in New Zealand?
- WaterWise lists the RUHENS WHP-3700 at $1,099 NZD for outright purchase, with rental from $59 NZD per month on a 36-month agreement.
- What filters does the RUHENS WHP-3700 use?
- It uses a Micro Carbon Filter, NanoFACT Plus Filter, and Post Carbon Block Filter. Genuine replacement filters are available from WaterWise.
- Is the RUHENS WHP-3700 suitable for rainwater or bore water?
- No. It is specified for municipal tap water. Rainwater, bore water, underground water, and untreated water need appropriate pre-treatment and water-quality checks before use.
- Does WaterWise offer Auckland installation?
- WaterWise offers optional professional installation for Auckland areas, with standard installation starting from $150 NZD and final cost depending on site conditions.