What is the largest heater that will fit in 750xxl sump?

[Daltrey]

Looking for the largest heater that will fit in 750xxl sump. Thanks

 

[jsker]

I little more detail please is this for a reefer tank?

 

[Tom Blevins]

I am using 2 Finnex 500 watt in ours.

 

[Daltrey]

I have 2 250 watt eheim jager heaters in my custom 40 gallon sump on my 155 gallon aquarium now. They are 17.3 inches long. Will these fit in the 750xxl sump?

 

[Tom Blevins]

yes sir, the chamber for the skimmer is at least 25" wide maybe 30" guessing but for sure 25"