Len":2w350qn5 said:The Durso is a standard 1" (1 1/4" -> 1" bulkhead) so I'm pretty limited in what I can pump through the system. I also would love to have no internal pumps, but the Vortech is just too cool to pass on The battery backup that will be offered for it will be a nice fail-safe. It's a very nice thought to know that should the power go out, I'll have circulation (full circulation even) for 12-24 hours! Redundancy of pumps isn't a bad idea either.
Yeah, the 1" standpipe does limit your flowrate. I suspect that it could handle an Iwaki 70RLT but no more than that. BTW, the new Iwaki 70RLT is terrific. It's quieter and more efficient that the model it replaces. Highly recommended!
Good thinking on the redundancy of pumps too.
Greg