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Def · 08-03-2001, 12:11 AM

The Danner MagDrive pumps models 2-7 all have the same housing. So if a 3 fits, so will a 7.

IMO, you probably won't reach that level of "too much flow" with one of these centrifugal pumps. They just can't pump well against pressure, and that's the only way you're ever going to get say 100 gph in a standard WC system.

I'd still recommend a Model 7 over a 5 for your application. I've been messing around with my MagDrive 5 for a few days now, and with just the radiator hooked up it easily drops to about 1/3 of the flow without it. This is a BE Aquacoil radiator. I'd also estimate that just putting the 1/2" ID barbs cuts the flow almost in half from no barbs on it.

08-03-2001, 12:11 AM	#14
Def Cooling Neophyte Join Date: Jul 2001 Posts: 14	The Danner MagDrive pumps models 2-7 all have the same housing. So if a 3 fits, so will a 7. IMO, you probably won't reach that level of "too much flow" with one of these centrifugal pumps. They just can't pump well against pressure, and that's the only way you're ever going to get say 100 gph in a standard WC system. I'd still recommend a Model 7 over a 5 for your application. I've been messing around with my MagDrive 5 for a few days now, and with just the radiator hooked up it easily drops to about 1/3 of the flow without it. This is a BE Aquacoil radiator. I'd also estimate that just putting the 1/2" ID barbs cuts the flow almost in half from no barbs on it. __________________ ---lurking semi-n00b---