Pentair Tub O-Ring Kit | MasterTemp & Max-E-Therm Heaters | 474952 Return Inlet & Jet Parts Before installing this replacement kit

Before installing this replacement kit

inspect the valve body O-rings and the top-mount flange gasket

chlorine shock) to control bacteria

Jandy Electric Valve Actuator 24V - 180 Degrees - #4424

and the inner diameter of the bottom opening

Pentair Tub O-Ring Kit | MasterTemp & Max-E-Therm Heaters | 474952 Return Inlet & Jet Parts Before installing this replacement kitThe Pentair Tub O Ring Kit (474952) is the OEM replacement kit for MasterTemp and Max E Therm heaters equipped with the new 9 bolt lid tub design manufactured after November 16, 2013. IMPORTANT: KIT CONTENTS NOT A SINGLE PART This listing is a complete kit. Each kit includes a O Ring, nuts and washers all three components required for a full heater service. IMPORTANT: POST 11 16 13 HEATERS ONLY 9 BOLT LID TUB DESIGN This kit fits MasterTemp and Max E