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Designed for compatible inlet fitting flow management
It protects the motor
This replacement is especially useful when the original solenoid has become weak
helping restore a secure connection around the heater fitting
Waterway 3/8" SB Elbow Style Air Injector [White] (670-2200) jets Designed for compatible inlet fittingThe Waterway 670 2200 elbow style air injector is designed for compatible spa air systems using a 3 8 inch connection size. Elbow style injectors are especially useful in plumbing layouts where direction change at the injector point helps the assembly fit more naturally within the spa shell or equipment routing. This white injector introduces air into the system to support the aerated spa effect users expect, while its elbow design can make it easier
