When a heater-side connection point begins to weaken
Helps regulate airflow in compatible spa systems
The Pentair 98209804 high flow air relief valve upgrade kit is designed for applications where improved or renewed air-relief performance is needed in a compatible cleaner or filtration-related setup
A higher-function overlay helps keep a feature-rich topside easy to understand and easy to trust
The longer 76 inch length makes it suitable for systems where reach matters just as much as the correct sensing function
Waterway Fitting Package [Twin Pack] (400-9900) feherguard When a heater-side connection pointThe Waterway Fitting Package [Twin Pack] is a Waterway Plastics replacement component for compatible pool, spa, and bath equipment. It is useful for service repairs where the original part has become worn, damaged, missing, or difficult to operate, allowing the existing system to be maintained without unnecessary replacement of larger assemblies. Waterway components are commonly used across circulation, plumbing, jet, control, and filtration systems.