Pentair Sta-Rite Max-E-Therm SR300 Copper Heat Exchanger (77707-0243) filters When a small internal support

When a small internal support piece begins to fail

Genuine Hayward part TVX7000BA

The caddy is especially useful for handling

Filter cartridge pack for compatible spa and pool applications using SR400 and S7M400 references

Pentair Sta-Rite Max-E-Therm SR300 Copper Heat Exchanger (77707-0243) filters When a small internal supportA copper heat exchanger is one of the most important components in a Max E Therm SR300 heater, transferring heat from combustion to the pool or spa water. This replacement is used when the existing exchanger is leaking, scaled, damaged, or no longer serviceable. Because heat exchanger work involves water, combustion, and safety systems, the repair should be completed by a qualified technician who can inspect the cause of failure and verify operation