Feed and Expansion Tank Sizing

When calculating your feed and expansion tank sizing as a general rule of thumb you should allow approximately 15% of primary volume. 

Use the table below to calculate the size of tank for your project.

Capacity
(Litres)
Size including insulation
(mm) 
30375 x 470
40470 x 470
50500 x 520
60570 x 520
70650 x 520
100850 x 520
1501000 x  570 
200960 x 670
3001440 x 670

 
Other Sizes and Larger Units of feed and expansion tanks are available on request.

For further assistance on expansion tank sizing, simply contact our technical sales team on 01592 611123 to discuss your project.