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Hyundai Hot Water Booster Pump 123W

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$179
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This small stainless steel circulator pump is designed for boosting hot & cold water pressure in domestic properties. Boost hot & cold water circulation in domestic applications. Suitable for heating, ventilating and air conditioning HVAC circulation, pressure boosting of hot water in homes powered by solar energy, industrial auxiliary equipment, cold and hot water circulation.

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Product overview

This small stainless steel circulator pump is designed for boosting hot & cold water pressure in domestic properties. Boost hot & cold water circulation in domestic applications. Suitable for heating, ventilating and air conditioning HVAC circulation, pressure boosting of hot water in homes powered by solar energy, industrial auxiliary equipment, cold and hot water circulation.

Designed for open vented systems, it can also be installed directly on the incoming water mains supply to feed a combination boiler subject to local authority approval.

This integral flow switch design provides additional pressure to outlets where the required flow rate is up to 0.3 l/s. Operation is by three position switch, OFF, MANUAL and AUTO. In the AUTO mode the pump starts and stops using the integral flow switch (activated by a gravity flow of 2 l/min). The gravity flow at all fittings should be checked to ensure that the pump will operate when the outlet fitting is opened. When the MANUAL mode is selected the pump will run continuously.

Suitable for pumping clean, thin, non-aggressive liquids not containing solid particles or fibres (rain water, potable water, fresh water)

The pump should not be operated for long periods without flow through the pump. Minimal maintenance of the pump is required. Periodically the flow switch may need cleaning depending on operating conditions.

FEATURES
• Boost water pressure in domestic applications
• Flow switch for AUTO operation
• Adds 0.5 - 0.75 bar of pressure to the inlet pressure at the pump
• Quiet design
• 1.5 metre flying lead for connection to a 3A fused switched spur
• Suitable for pumping clean, thin, non-aggressive liquids not containing solid particles or fibres
• 2 Year Hyundai Warranty

To avoid cavitation noise and risk of damage to the pump bearings, a pressure of minimum inlet pressure of 1.5 m head (0.15 bar) is required at the pump during operation.

SPECIFICATIONS
Pump:
Automatic pressure boosting
Anti-rust cast iron pump body
Noryl impeller with heat resistance up to 150°C
99% alumina ceramic shaft
Liquid temperature: 2°C - 60°C
Inlet/outlet: 15mm
Pipe size: 1”
Max flow: 25 L/min
Max. head: 9m
Max. pressure: 12psi

Motor:
Insulation class: H
Protection class: IP42
99% alumina ceramic bearing
Copper winding

Dimensions: L 129mm x W 120mm x H 160mm

Hyundai

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Questions and answers

5 votes
Q:
Hi there, can I connect this to increase hot water to shower. the cold water feed is mains pressure
A:
Yes the pump is suitable for open vented, low pressure hot water systems.
By Trade Tested on July 27 2022
2 votes
Q:
I have a mains pressure shower unit but a low pressure hot water tank. If the pump is added to the hot water line, would it be sufficient for the shower unit? If so, how close to the hot water tank should the pump be installed? Bathroom is about 8m away from hot water tank. Tank is gravity fed i believe
A:
No it won't be sufficient, you need to have mains pressure as a base that this can then boost.
By Trade Tested on September 29 2022
3 votes
Q:
Hi, does this just plug in to a standard house socket? No electrical work required?
A:
Yes, you can plug this in to a standard house plug once connected to your Hot water system.
By Trade Tested on July 29 2021
2 votes
Q:
I have roof water tanks & the supply is delivered by pump. Low pressure hot water cylinder. Could your pump be used to increase hot water pressure in my shower?? Comments please?
A:
Yes the pump can be used it increase the pressure in your shower, the pump is suitable for open vented, low pressure systems.
By Trade Tested on May 17 2022
1 vote
Q:
Whats the minimum flow rate needed to activate pump?
A:
When it is set to auto, it will be activated by a gravity flow of 2 litres per minute
By Trade Tested on April 11 2023
2 votes
Q:
Which part is stainless steel?
A:
The parts that are touched by water are stainless steel - The pump body insert, can bearing assembly and the pump support cover.
By Trade Tested on February 11 2021
2 votes
Q:
Hi, does this pump turn on automatically when hot water tap is opened? Or must it be manually switched on/off?
A:
You can do both - it sense flow and switches on automatically when in AUTO mode.
By Trade Tested on February 02 2021
1 vote
Q:
Hi there is this for hot water only or can also use for cold water only?thanks
A:
Yes you can no problem.
By Trade Tested on October 03 2022
1 vote
Q:
Hi, would this pump boost pressure from rainwater tank to washing machine only? I don't know what the pressure or flow rate is from tank outlet, gravity only. Distance to washing machine less than 10m and height of washing machine inlet no more than 1.2m. Thanks.
A:
No, this is will not suitable, we recommend using a small Hyundai Jet Pump with a controller. Just search for 'Hyundai Jet Pump Stainless Steel 300W' and 'Hyundai Electronic Pressure Controller' on our website.
By Trade Tested on May 20 2022
1 vote
Q:
Hi Can this pump be used in portable pools for water heating
A:
No, this is not designed for that.
By Trade Tested on December 07 2021

Overall rating

  • 5 star
    79%
  • 4 star
    14%
  • 3 star
    0%
  • 2 star
    0%
  • 1 star
    7%
All reviews (14)

Read reviews that mention

  • hot water pressure
  • low pressure
Very satisfied

Responsive and relatively quiet.

Mike Otago
Water booster pump

Does what it says on the wrapper.

Jonah Greymouth
Turned our shower from the worst to the best pressure

Brilliant would totally recommend

cc West Coast
Almost completely pointless

No real addition to the pressure, auto function doesn't work. Must have got a dud

S Pukekohe, Auckland
No, I do not recommend this product.
Works well

Installed 2 months ago, happy so far

DS Auckland
Hyundai hot water booster pump 123W

I used this pump to boost the flow from the low pressure cylinder to the in home outlets, bathroom/kitchen/laundry. Total success. As advertised simple installation & very quiet & I am totally satisfied with the result. Facing the same circumstance as above I would recommend the Hyundai 123W to others. Note, if you lack the skills to install, consult the trades, plumber & electrician, highly recommended.

PM Bay of Plenty
Pumps great

Product works well, plenty of power. do your research if boosting a low pressure shower system. put this in you'll likely need to also review your: tank capacity, header tank capacity, shower mixer setup. pump on its own is not the answer.

HWC Waikato
Fixing low pressure in the bathroom

Purchased the Hyundai booster pump to solve very low hot water pressure in the bathroom. The home is older and has 1/2 inch pipework. Installation was easy with the aid of some premade flexible pipe fittings. The pump solved the pressure issue and is very quiet in operation. Would recommend this product.

low pressure Otago
Hot water pump

Works really well

Ray Hamilton
tank low cost top up unit for header tank

Ideal small pump for tank top up

Chris Manawatu