Pentair Coil/Tubesheet Sealing O-Ring Kit (Models 300NA, 300LP) || 77707-0118 Parts and Accessories BubbleJet As an authorized and preferred

As an authorized and preferred Pentair reseller

Compatibility: Designed specifically for use with Pentair pool and spa heaters

Turn Off the Pump: Shut off the pump system to prevent water flow during replacement

rotate the head 60° and re-lock—this helps ensure the Venturi flow path is correctly oriented

Pentair Coil/Tubesheet Sealing O-Ring Kit (Models 300NA, 300LP) || 77707-0118 Parts and Accessories BubbleJet As an authorized and preferredPentair Coil Tubesheet Sealing O Ring Kit (Models 300NA, 300LP) 77707 0118 Pentair Coil Tubesheet Sealing O Ring Kit (77707 0118) Models 300NA, 300LP ePoolSupply Upgrade your Pentair MasterTemp or Max E Therm 300NA 300LP pool heater with the Pentair Coil Tubesheet Sealing O Ring Kit (77707 0118). This high quality OEM replacement kit ensures a secure, leak proof seal between the coil and tubesheet, optimizing heater efficiency and longevity. Product