Mazzei Venturi Injector [3/4" Barb, #684] (KYNAR-0684-K) productsunlimited 56FR configuration aids proper replacement

56FR configuration aids proper replacement matching

and all identifying details with the part currently installed

Helps restore electronic control function

Supports cleaner and more dependable plumbing fitment

The Sundance Spas PCB circuit board is designed for compatible spa control applications where the main board needs to be replaced to restore system operation

Mazzei Venturi Injector [3/4" Barb, #684] (KYNAR-0684-K) productsunlimited 56FR configuration aids proper replacementThe Mazzei venturi injector is designed for compatible ozone and chemical injection applications where a barb connected venturi device is needed. A venturi injector is useful because it helps draw ozone or other treatment media into the water stream, supporting more dependable mixing and treatment performance. This replacement is especially useful when the original injector is clogged, cracked, damaged, worn, or no longer drawing correctly. Matching