I had problems with my March pump, the impeller was tight on the shaft, plus the Teflon bearing was just about gone, oversized to the point that the impeller surface was rubbing against the housing surface. I polished both the shaft and impeller ID, installed a new improved Teflon bearing, now it works like never before. I cannot believe the flow and volume I am getting, even at boling temps. No cavitation, primes instantly with boiling temps.
Bottled: Gewurztraminer, Pinot Noir, Cabernet Sauvignon, 16B, 18B, 18E, 19B, 20, 21A, 23, 27
BEER, a mixture of malted grains, water, hops and yeast, that is transformed through the course of fermentation that transcends the simplicity of those basic ingredients, fundamentally into the drink of life.