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OVB 70 Heat Exchanger, 20.0 kW, (17,000 kcal.)

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Heat exchangers are specially designed for heating swimming pool water, water in whirlpools and spas, or for floor heating. The optimal use of this fully welded heat exchanger is in combination with gas or other boilers, heat pumps, or solar collectors. The design of the exchanger takes into account the restricted flow rate, ensuring maximum heat supply while minimizing pressure in the heating system.

Exchanger specifications:

  • Heat output specified for a temperature difference of 60°C between the incoming heating water and the incoming heated water
  • Material: AISI 316
  • Max. pressure: 1.72 MPa and max. temperature: 208°C
More Information
MaterialAISI 316
Heating circuit connection3/4 "in
Swimming pool circuit connection1 1/2 "in
Net transport weight kg3,0 kg
Digital display:No
El. expansion valve:No
Flow monitoring:No
For sea water:No
Pressure circuit welded with silver:No
Digital control panel:No
Max. heat output, kW20 kW
Max. work pressure1,78 MPa
Operating temperature208 °C
Easy to install:No
Operating temperatureNo
Weight2.92 kg
In group packs1
On palette128


This product has 12 month warranty. In the event of a product breakdown within the warranty period, you should contact us as soon as possible.

The Buyer has the right to make his defective goods claim within 12 months of accepting the goods. If a defect manifests itself within six months of the Buyer accepting the goods, such goods are presumed to be defective at acceptance unless the Seller proves otherwise.


Should you require any further information, please email where we will respond to your request quickly.

More information Terms and conditions


This product is in stock at our warehouse and is ready for Standard or Express delivery Service.

Delivery – Mainland UK

Delivery Times: - Standard delivery: 1-2 weeks

Most of our products, when ordered by 12 PM  Monday to Friday, will be dispatched for next-day delivery . In cases where items are not in stock or are special orders, delivery times may be longer.

Rest assured, we will contact you beforehand to provide an estimated delivery date.

If you have specific delivery instructions, such as gifting or a required delivery date, please include them in your order.

 If your billing address is different from the delivery address, you can provide the latter separately in the order form. We will accommodate the delivery address if possible under contractual conditions.

Please note that some areas of Scotland, Northern Ireland, the Isle of Man, and the Isle of Wight may incur extra carriage charges.

Please check your delivery

If you sign for a delivery as "OK" and later discover that it's damaged, our carriers will not accept liability, and you may be charged for the damaged items. In such cases, we will make a delivery charge for replacement items.

Please sign for your delivery as "UNCHECKED" if you're unable to thoroughly check it upon receipt. If there is any damage to the package, no matter how small, please sign for it as "DAMAGED". We cannot make claims for any damaged items that haven't been signed for as "UNCHECKED" or "DAMAGED".

If you sign for your goods as "DAMAGED", please notify us within 72 hours by email at

More information Terms and conditions

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