Rola Chem Probe Fitting [ORP/PH 1/2"] (550089) andersonmfg A tank lid is useful

A tank lid is useful because it secures the top of the assembly while still allowing access for service

and TSPA applications using the 9920-400178 reference

Pump baskets are useful because they help intercept leaves and larger debris before that material reaches the impeller area and creates additional service problems

or general spa water movement

Useful when the original elbow union is damaged or leaking

Rola Chem Probe Fitting [ORP/PH 1/2"] (550089) andersonmfg A tank lid is usefulRola Chem Probe Fitting [ORP PH 1 2"] (550089) is a replacement probe fitting for compatible Rola Chem ORP and pH chemical control systems. This fitting helps create the connection point needed for probe installation, allowing the sensing equipment to interface properly with the plumbing or flow cell setup. A secure, properly matched fitting is important for dependable readings and leak resistant operation. This 1 2 inch fitting is a useful service