Waimana Water
Waimana Kaha Ultra IV Variable Speed Pressure Pump – 1.5 hp
Suits a medium to large homeHelp me choose
What size is my home? Small to medium: 1–2 bathrooms, up to 3 bedrooms. Medium to large: 2+ bathrooms, 4+ bedrooms.
$2,300.00incl. GST
Our promise: if it's not right, we'll put it right.
Need a hand choosing a pump?
Email us a photo of your current pump or setup and we’ll help you find the right one.
- NZ owned & operated
- Most orders dispatched same or next day
- Click & collect from Te Rapa, Hamilton
- Brand
- Waimana Water
- Type
- Variable Speed Pumps
- SKU
- Kaha Ultra IV
- Stock
- In stock
Fit check
Is it right for my water supply?
A quick check before you buy.
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Medium to large homes, holiday homes and lifestyle blocks
Good fitSuits medium to large homes, holiday homes, tank supply and lifestyle blocks.
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Tank supply
Good fitSuits tank supply. The inlet requirement is a positive inlet supply.
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Water source below the pump
Not this oneSee the Kaha Flow III.
Kaha Flow III
$645.00
See the Kaha Flow III
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Steady pressure as demand changes
Good fitVariable-speed control adjusts pump speed to match demand, reducing pressure fluctuations, noise and energy use.
Common questions
What does variable speed do?
The Ultra IV adjusts motor speed to water demand, for smoother, more consistent pressure and reduced energy use.
What comes with it?
It is a complete pressure system, supplied with a pressure tank and controller.
Can it pull water from a tank below the pump?
The inlet requirement is a positive inlet supply. For a tank or shallow well below the pump, Waimana's self-priming Kaha Flow series lifts up to 8 m.
What warranty does it have?
Every Kaha pump has a 36-month manufacturer's warranty.
Still not sure?
Tell us about your home and water supply and we'll point you to the right pump.
Full product details
Read the full description
The Kaha Ultra IV is Waimana's variable speed pressure system for medium to large homes, holiday homes, tank supply and lifestyle blocks. It pairs a multistage centrifugal pump with variable-speed control and a pressure tank.
The system adjusts pump speed to match demand, for smoother, more consistent pressure and less noise and energy use. Soft start and controlled running help cut noise and wear. It comes as a complete system with a pressure tank and controller.
It's rated at 1.5 hp, 60 m maximum head and 116 L/min maximum flow. It needs a positive inlet supply, inlet and outlet are 1" BSP (25 mm), and it weighs 13.5 kg.
Every Kaha pump has a 36-month manufacturer's warranty. If you drink your tank water, pair it with filters plus UV.
We're NZ owned in Te Rapa, Hamilton. If it's not right, we'll put it right.
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