I think the radions have a 2'x2' coverage so if the tank is standard 220 (72x24dx30t) you should be ok with 3 units
Plus the 2 cross braces would basically block 1/2 of 2 units if you were to purchase 4
But I don't own radions so this is all hear say
__________________
250G DD LED SPS R.I.P.
180G LED SPS
80"x36". 300G custom build
Owner of Mountain Ridge Heating and Gas
Class A gas fitter, HVAC
|