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Supports a cleaner and more polished nighttime spa look
When the cartridge media loses effectiveness
A replacement may be needed when the original fitting is cracked
Matching the correct heater profile helps preserve cleaner installation and more accurate service replacement
Pentair MasterTemp 200/Max-E-Therm 200 Air Orifice (77707-0111) controlsystems Supports a cleaner and moreThis replacement MasterTemp 200 Max E Therm 200 Air Orifice gives technicians and pool owners a focused way to repair the affected assembly without replacing more equipment than necessary. It is used in the heater combustion system to help meter the air path for the correct burner configuration. Because orifice sizing affects how the heater breathes and fires, this is a precision replacement part rather than a generic fitting. Before installation,
