Pentair Sta-Rite MasterTemp/Max-E-Therm Tube Sheet O-Ring Kit [Qty 12] (77707-0119) lascofittings Protect compatible Max-E-Therm ASME heater

Protect compatible Max-E-Therm ASME heater systems with a replacement pressure relief valve designed to relieve excess pressure when required

The high-volume design matters because it is intended to support systems with greater flow expectations

Improves heating-system confidence and repair accuracy

A filter cartridge is useful because it helps remove suspended debris from circulating water

The HCXP6016A is a practical replacement part for compatible Hayward systems that need renewed flange sealing and cleaner long-term performance

Pentair Sta-Rite MasterTemp/Max-E-Therm Tube Sheet O-Ring Kit [Qty 12] (77707-0119) lascofittings Protect compatible Max-E-Therm ASME heaterThe tube sheet O ring kit with twelve seals is used during deeper MasterTemp and Max E Therm heat exchanger or tube sheet service. These seals help prevent water from escaping around the tube sheet connections and should be replaced when the related assembly is opened. Having the correct quantity in one kit supports a more complete repair and avoids mixing old seals with new components. Includes twelve tube sheet O rings Supports compatible MasterTemp