Most RV waterpumps deliver about 3 gals per minute......not nearly enough. aim for 20 and cooling will be good. And they don't generally like hot water.....at all. Skip (Skip's RV Service) At 08:12 AM 2/14/2008, Greg Meyers wrote: >Thanks guys, >I should be able to find motorhome hot water pumps in the land of the >Winabago....... >Greg