Different Sizes
The Taco 007 SF5 comes in four variants namely F for flanged cast iron, BF for flanged and bronze, SF for stainless steel and flanged. The Taco 007 Stainless Steel Pump F5-5 model refers to the cast iron version while the 007 BF-5 refers to flanged and bronze casing in the pump. The SF5 version is made of stainless steel casing.