CMP Pressure Test Plug [FG Main Drain] (25215-900-000) horizonventures or leaking after service or

or leaking after service or extended use

and part number R0327301 before ordering to ensure the correct fit

while the included housing adds practical value by making the installation more complete and more protected in one package

affecting both sealing integrity and user confidence in the filter once it is back in operation

CMP Pressure Test Plug [FG Main Drain] (25215-900-000) horizonventures or leaking after service orThe CMP Pressure Test Plug [FG Main Drain] is a practical replacement test plug for service work where matching the original configuration matters more than making a broad, generic substitution. It is used around drain or main drain service points where correct sizing and compatibility help simplify testing, winterizing, or water movement through the pool or spa system. Key identifying details from the listing include FG Main Drain. Because many CMP,