Pure Water, Simplified.
Experience instant hot, cold, and ambient water with the advanced RUHENS WHP-3700. Choose between outright purchase or flexible rental options, both backed by our expert installation and maintenance service.
Choose Your Plan
Pure water, your way
Whether you prefer to own your water purifier outright or enjoy the flexibility of a rental plan, we offer options that fit your needs. Both options include comprehensive warranty coverage.
- Outright Purchase
Own your water purifier outright with a one-time payment. Includes full warranty coverage and no monthly commitments.
- Flexible Rental
Start with a low monthly payment. Includes the machine, all filters, and filter replacement service.
- Warranty Protection
Comprehensive warranty coverage for your peace of mind, whether you choose to buy or rent.
Our Purifier
Meet the RUHENS Model WHP-3700
Your premium solution for instant purified water, hot or cold. Choose the ownership plan that's right for you.
The Ultimate Water Purifier
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.
See all features & specifications →Buy Outright
$1099one-time
Own your premium purifier and enjoy lasting peace of mind with our Standard Manufacturer Warranty.
- Full ownership of the purifier.
- Option for convenient filter subscription.
- No monthly payments or contracts.
Rent Monthly
$59/month
36-month contract. Enjoy peace of mind with our all-inclusive plan: machine, filters, and service are all covered.
- Low upfront cost - start for just $59.
- All-inclusive: machine, filter replacements covered.
- Hassle-free bi-annual filter replacements.
Our Story
At WaterWise, we are passionate about providing New Zealand homes and businesses with access to pure, clean, and great-tasting water. Our mission is to enhance your health and well-being through innovative water purification technology and dedicated service.
WaterWise is proudly operated by Save Zone Limited, trading as Hi Mart. Since 1998, Hi Mart has been a leading New Zealand retailer, importing and distributing high-quality electronics and appliances from Korea. This rich history means WaterWise is built on a foundation of trust, experience, and a commitment to bringing the best in technology to our customers.