Description
Vaillant Domestic Hot Water (DHW) Plate Heat Exchanger 12 Plate – 178971
The Vaillant Domestic Hot Water 12 Plate Heat Exchanger 178971 delivers fast and efficient hot water performance. This Vaillant plate heat exchanger 178971 transfers heat from the primary circuit to your domestic hot water supply. As a result, it ensures steady hot water flow and reliable temperature control. Because it uses a 12 plate design, it supports strong heat transfer and consistent output. Therefore, it helps restore hot water performance quickly and effectively.
Compatible Boilers
Vaillant ecoTEC and Other Domestic Models
This Vaillant plate heat exchanger 12 plates 178971 fits a wide range of Vaillant domestic boilers. However, always check your boiler model and part number before ordering to ensure correct compatibility.
If you’re looking for a Vaillant Ecomax 824E Heat Exchanger DHW 065053 or any other different Vaillant Plate Heat Exchanger, follow the link provided.
Why Choose This Product?
This Vaillant Plate Heat Exchanger improves heat transfer and supports strong hot water flow. In addition, it helps reduce issues such as fluctuating temperatures or poor hot water pressure. Because it comes brand new, it offers dependable performance and long service life. Furthermore, the 12 plate design increases surface area, which improves heating efficiency. As a result, you gain reliable hot water performance and improved system stability.
Delivery and Return
Orders placed before 1 PM are dispatched on the same working day, so you receive your part quickly. You can also select standard or next-day delivery at checkout for added flexibility. If you change your mind, you may return the item within 30 days in its original condition. Finally, always use a Gas Safe registered engineer for safe and correct installation.
FAQs
1. What does the Vaillant 12 Plate Heat Exchanger 178971 do?
The Vaillant Domestic Hot Water 12 Plate Heat Exchanger 178971 transfers heat from the boiler’s primary circuit to your hot water supply. As a result, it provides instant and consistent domestic hot water when you open a tap.
2. What are the common signs of a faulty plate heat exchanger?
You may notice fluctuating hot water temperatures or reduced hot water flow. In some cases, the boiler may struggle to maintain consistent heat. Therefore, replacing the heat exchanger can help restore normal performance.
3. Is this heat exchanger brand new?
Yes, this Vaillant 12 plate heat exchanger 178971 comes brand new. It also includes a 12-month warranty for added peace of mind.
4. How do I check if this part fits my boiler?
First, check your boiler model and serial number on the data plate. Then, confirm that part number 178971 matches your existing component. If you are unsure, you should consult a qualified heating engineer.
5. Why does a 12 plate design matter?
A 12 plate design increases the surface area for heat transfer. As a result, it improves heating efficiency and supports stable hot water temperatures.







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