What is the pressure in the expansion tank for hot water supply?

Опубликовано: 10 Май 2026
на канале: Марат Ишмуратов
55,025
705

The initial air pressure in the expansion tank depends on the inlet water pressure in the water supply system.
Po = Pcw - 0.2 bar
Pcw is the cold water pressure in the water supply system;

The required pressure in the expansion tank for a heating system can be found here:
   • Какое давление накачать в расширительный б...  

My name is Marat.

I specialize in the design of heating, water supply, water treatment, and wastewater disposal systems for private country houses.

For design inquiries:
Email: [email protected]

My social media pages:

YouTube - https://www.youtube.com/channel/UCyrd....
Instagram -   / ​​  
Facebook - https://www.facebook.com/profile.php?....
VKontakte: https://vk.com/id59297661
If you would like to support the channel, you can make a small donation.
YuMoney: https://yoomoney.ru/to/41001824273594