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menaus2 · 05-15-12, 09:24 AM

The Grundfos UP 15-18 B5 looks good for the second panel. Max head of 13.75ft. 2.25gpm @ 12.5ft, 3.25 gpm @ 11.5ft. Seems to be right in the sweet spot. $140 doesn't sound too bad either.

Both pumps pull under 1 amp so they could be relayed with a couple TinyDTC Temp Controllers. Anybody have any experience with them? Look like a bargain to me.

05-15-12, 09:24 AM	#18
menaus2 Apprentice EcoRenovator Join Date: Feb 2011 Location: Driftless Region, North America, Earth, Solar System, Orion Arm, Milky Way Galaxy,Virgo Supercluster Posts: 116 Thanks: 13 Thanked 35 Times in 25 Posts	The Grundfos UP 15-18 B5 looks good for the second panel. Max head of 13.75ft. 2.25gpm @ 12.5ft, 3.25 gpm @ 11.5ft. Seems to be right in the sweet spot. $140 doesn't sound too bad either. Both pumps pull under 1 amp so they could be relayed with a couple TinyDTC Temp Controllers. Anybody have any experience with them? Look like a bargain to me.