MasterTemp Direct Air Intake Duct Kit fitting-connection_Insert x Insert x Female Cleansing a filter simply requires

Cleansing a filter simply requires shifting the multiport lever from the "filter" position to the "backwash" position

Lid O-ring

Rinse - Use after completing backwash cycle to ensure all dirty water is rinsed out of the filter to waste

it is common that the older bolt will SNAP or break as you attempt to loosen them from the fulcrum box

MasterTemp Direct Air Intake Duct Kit fitting-connection_Insert x Insert x Female Cleansing a filter simply requiresThis is a Pentair 461031 Direct Air Intake Duct Kit for MasterTemp pool heaters. The Pentair Direct Air Intake Duct PVC pipe is for indoor heater installation. The Combustion Air Intake is a 3 inch pipe that can be installed vertically or horizontally.