Includes a 2" High effeciency Control Head with 2" plumbing in and out. (Same head and column as used in the Model 4.4, just 4 inches shorter in length.)
We have been building this column at the request of several of our dealers. If you must have 2 inches in and out of your control head this is the way to get it. However, considering the fact that the maximum recommended filtration rate is 4000 gph, you will only accomplish a friction loss improvement of about 15 to 20% by using the 2" control head and column. If you feel that this friction loss improvement is beneficial to you, buy it. If you are using your 2.2B filter in a typical installation and not trying to tweak every last gph out of your pump, save your money and buy the standard 2.2B model. Bearing in mind that the standard 2.2 and 2.2B control head and column will pass 3000 gph at less than 1 psi at the filter discharge port height, which is most exceptional by anyones standards. |
