High temps, how to protect tank?

[G1GY]

Originally Posted by littlesilvermax

I run 100 feet of RO feed line through my sump.

Cools my sump and warms up my water before the RO unit so there is no condensation on the unit and it works more efficiently.

Total cost $8.

That will work as long as you have good city pressure.

At 100 feet of tube, you've made a conciderable pressure drop at the r/o unit inlet.