Pentair Flat Seal | Kreepy Krauly | 370478Z FC9350 The ballast regulates the electrical

The ballast regulates the electrical current supplied to the UV lamp within the BioShield system

A test kit must be used regularly to determine the frequency of additional doses of this product needed to maintain the chlorine residual of 3-5 ppm

It provides crystal clear

Replacing the complete lid assembly restores proper port sequencing and speed regulation without requiring full valve replacement

Pentair Flat Seal | Kreepy Krauly | 370478Z FC9350 The ballast regulates the electricalThe Pentair Flat Seal (370478Z) is the OEM replacement flat seal for the Kreepy Krauly 2013 model automatic pool cleaner. IMPORTANT: MODEL VERSION 2013 MODEL ONLY This flat seal fits the Kreepy Krauly 2013 model only. If your cleaner was manufactured before 2013, this is not the correct part. Verify your cleaner's model year before ordering. The flat seal maintains the pressure differential that drives the Kreepy Krauly's suction and locomotion across