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Stop Your Hot Water Cylinder CWE From Constantly Dripping.

Stop Your Hot Water Cylinder CWE From Constantly Dripping.

Upgrade your Hot Water Cylinder Installation with an Expansion Tank and stop the dripping.
Prevent Your Hot Water Cylinder’s Continuous Water Loss. Our blogs extensively cover the necessity of Cold Water Expansion valves and their dripping phenomenon.
Previous Published Blogs:

Common Cold Water Expansion Problems. Leaky Hot Water Cylinder Valve.

Cold Water Expansion Valves, Also Called Energy Saving Valves

Highlighted topics include:

  • Addressing Common Cold Water Expansion Problems
  • dentifying Leaky Hot Water Cylinder Valves
  • Understanding Cold Water Expansion Valves, Also Known as Energy Saving Valves

Excitingly, there’s an update for Hot Water Cylinders, presenting a permanent solution to cease the incessant drip of Cold Water Expansion valves.

Water supply system components.

Cold water expansion valves discharge around 4.5 liters of water a day to the drain. Expansion vessels are able to manage the effects of thermal expansion within a storage water heating system without discharging treated drinking water down the drain. This will reduce the amount of water used by the system.

Considering the continuous increase in water expenses, especially in cities such as Auckland, it’s prudent to consider investing in an expansion tank. This investment can effectively minimize water discharge, leading to savings not only on water bills but also on valve maintenance costs. Take the step to upgrade to an expansion tank by scheduling your appointment with Hot Water Cylinders NZ today.

An expansion tank is not merely an additional component but rather a crucial enhancement to your hot water cylinder system. By incorporating an expansion tank, you’re not only addressing the issue of water wastage but also ensuring the longevity and efficiency of your entire water heating setup. Let’s delve deeper into why investing in an expansion tank is a wise decision.

First and foremost, let’s address the persistent problem of water loss caused by cold water expansion valves (CWE). These valves are essential for regulating the pressure within the hot water cylinder by allowing excess water to escape when it expands due to heating. However, the continuous dripping of water from these valves can lead to significant wastage over time. An expansion tank offers a solution by providing a designated space for the expanded water to accumulate, eliminating the need for constant discharge into the drain.

Moreover, the installation of an expansion tank serves to mitigate the financial burden associated with escalating water expenses. As mentioned earlier, cities like Auckland are witnessing a steady rise in water costs, making it imperative for residents to adopt measures that promote water conservation. By reducing water discharge through the use of an expansion tank, you’re not only contributing to environmental sustainability but also saving money on your utility bills in the long run.

Additionally, let’s consider the impact of continuous water discharge on the maintenance of hot water cylinder valves. The incessant dripping can lead to wear and tear, necessitating frequent repairs or replacements, which can incur additional costs. By investing in an expansion tank, you’re effectively reducing the workload on the valves, thereby extending their lifespan and minimizing maintenance requirements.

Furthermore, it’s essential to highlight the role of expansion vessels in managing thermal expansion within a water heating system. These vessels help alleviate pressure buildup caused by fluctuations in temperature, ensuring the smooth operation of the entire setup. By integrating an expansion tank into your hot water cylinder installation, you’re enhancing its overall efficiency and reliability.

In summary, the decision to upgrade to an expansion tank is not only a proactive step towards conserving water and reducing utility expenses but also a strategic investment in the longevity and performance of your hot water cylinder system. Don’t wait until water wastage becomes a costly issue – take action now by scheduling your appointment with Hot Water Cylinders NZ and experience the benefits of a comprehensive water heating solution.

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Hot Water Cylinder Easy Payments with Afterpay

With the evolving modernised way of living, convenience and flexibility have become uppermost considerations for consumers. This is stretched out even for essential home appliances, such as hot water solutions. The introduction of Afterpay, a buy now, pay later (BNPL) service has brought a new level of flexibility to the home improvement industry. Afterpay is changing the game for those seeking hot water solutions, making comfort and convenience more accessible for everyone.
Afterpay has gained immense popularity for its user-friendly approach to financing. It allows buyers to make purchases and pay for them in equal, interest-free instalments over a set period. This financial flexibility is appealing especially when it comes to significant investments like hot water cylinders for hot water solutions. Homeowners can now enjoy the benefits of a reliable hot water system without the burden of a heavy upfront payment. One of the best features of Afterpay is its seamless integration into the shopping process. It simplifies the payment process. With just a few clicks or taps, users can split their total into four equal payments, paid bi-weekly.
It is also used in various home improvement industries for convenient options like ours. When it comes to hot water cylinders, Afterpay simplifies the purchasing process, providing our customers with a flexible and interest-free payment plan. Here’s a breakdown of how Afterpay works in the context of acquiring a hot water cylinder:


1. Select the preferred Hot Water Cylinder – Start by choosing a hot water heating system that is perfect for your needs. This could be a traditional hot water heater, a tankless system, or an energy-efficient solar-powered solution.


2. Checkout Process – Proceed to the cart page of the website. During the payment process, select “checkout with Afterpay”.


3. Afterpay Account or sign-up – If you are already an Afterpay user, log in to your Afterpay account. If you are a new user, you’ll need to sign up for an Afterpay account, providing the necessary details.


4. Approval Process – After completing the sign-up or login process. After pay will perform a quick real-time approval check. This check assesses your ability to make the scheduled payments based on your previous transaction history with Afterpay.


5. Payment Schedule – If approved, your total payment for the hot water cylinder will be divided into four equal instalments. These payments are scheduled to be paid every two weeks. The best part is that these instalments are interest-free, making it a cost-effective way to spread the financial load.


6. Immediate Shipment or Installation – Once the process is completed and the first instalment is paid, you can expect immediate shipment or the hot water system installation.


7. Automatic Payments – Afterpay automatically deducts the agreed-upon instalment amounts from your chosen payment method (credit or debit card) every two weeks until the total amount is paid off.


8. Manage Payments – Users can manage their Afterpay payments through the Afterpay app or website. The platform provides an overview of upcoming payments, payment history, and the ability to make additional payments if desired.


By offering a user-friendly and transparent payment solution. Afterpay has successfully made it more accessible for individuals to invest in essentials. If you need help with finding a hot water cylinder that suits your needs or with the payment method, please do not hesitate to contact us!

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Is your Hot Water Cylinder up in the roof space cavity?

Is your hot water cylinder situated in the roof cavity? What a chaotic situation! Not only is access restricted, but without any anti-flood measures like a cylinder tray, the combination of water and gravity could pose serious issues.

Challenges will depend on the type of hot water system you have.

System designs may include:


  1. Low pressure hot water cylinder which may have an open vent penetrating the roof.
  2. Mains Pressure Hot water cylinder which may not have a tray but a drain for the safety valves.
  3. Just a header Tank supplying a low pressure system on a different level.
  4. A gas instant water header which will have a flu penetrating the roof.
  5. Accessible incentives and rebates.

Is your Hot Water Cylinder up in the roof space cavity? If it is, you’re certainly not alone. Many homes have their hot water cylinders installed in the roof cavity for various reasons, including space-saving and convenience. However, while this placement can be practical, it also comes with its fair share of challenges and potential issues that homeowners should be aware of. In this blog, we’ll explore the challenges of having hot water cylinders in roof spaces and discuss some solutions and alternatives.

Challenges of Hot Water Cylinders in Roof Spaces:


  1. Limited Access: One of the most significant challenges of having a hot water cylinder in the roof space is limited accessibility. Roof spaces are typically cramped, dark, and difficult to navigate. This makes routine maintenance and repairs more challenging and may require professional assistance.
  2. Risk of Flooding: Without proper anti-flood measures, the combination of water and gravity can pose serious issues. If your hot water cylinder were to develop a leak or burst, the water could flow freely into your home, causing extensive damage to ceilings, walls, and belongings.
  3. System Variations: The specific challenges you face will depend on the type of hot water system you have. Here are some common system designs and their associated challenges:
    • Low-Pressure Hot Water Cylinder: This type of system may have an open vent that penetrates the roof. While this vent helps relieve pressure, it can also be a potential entry point for pests and debris.
    • Mains Pressure Hot Water Cylinder: These cylinders may not have a tray, but they typically have a drain for safety valves. However, if this drain becomes blocked or damaged, it can lead to flooding issues.
    • Header Tank Supplying a Low-Pressure System: In this scenario, you may have a header tank in the roof space supplying a low-pressure hot water system on a different level. Maintaining the correct water levels in the header tank can be challenging.
    • Gas Instant Water Heater: Gas instant water heaters often have a flue penetrating the roof. These need regular maintenance to ensure proper ventilation and safety.

Solutions and Alternatives:

  1. Install a Cylinder Tray: To address the risk of flooding, consider installing a cylinder tray under your hot water cylinder. A cylinder tray installation collects any leaked water and directs it away from your home, preventing damage. You can find more information about cylinder trays on
  2. Regular Maintenance: Regardless of the type of hot water system you have, regular maintenance is essential. This includes checking for leaks, ensuring safety valves are functioning correctly, and inspecting vents and flues for blockages. A professional plumber can assist with these tasks. This will make sure that a) your water is safe and clean b) your power bill does not increase due to inefficiencies.
  3. Consider Relocation: If the challenges of having a hot water cylinder in the roof space become too cumbersome, you might consider relocating it to a more accessible location, such as a dedicated utility room or garage. This can make maintenance and repairs easier.
  4. Explore Alternative Water Heating Systems: Depending on your needs and budget, you could explore alternative water heating systems that don’t require placement in the roof space. Tankless water heaters, heat pump water heaters, and solar water heaters are options worth considering.
    In conclusion, having a hot water cylinder in the roof space cavity can present challenges related to access and the risk of flooding. However, with the right precautions and regular maintenance, these challenges can be managed effectively. Additionally, exploring alternative water heating systems or relocating your hot water cylinder may be viable solutions to address these issues. To learn more about cylinder trays and other solutions, visit for expert advice and products tailored to your needs.