TANK?

[NE WOOD BURNER]

The 490 gallon steel tank on the New Horizon site:
Are they for use in a pressurized/ closed system?


Hot Water Storage Tank
Insulated with 1 1/2” rock-wool
490 Gallons
30” wide x 6’ tall x 7’ long
Fits through most doors
Constructed from 1/8" plain steel plate
Reinforced with 1" rods across to be able to resist pressure
Multiple 1 1/2" outlets
Finished with painted steel plates

 

[leon]

I beleive that they are tested and certified for closed systems from
what I remember reading of them-sorry but its been a few weeks
since I visited thier home page.