Pentair Max-E-Glas Dura-Glas 1/2HP Diffuser (C1-217P) handrailsladders Matching the THP rating

Matching the THP rating

Three-wire IID configuration

The EW-36 fit gives this assembly practical value because internal filter components work best when they match the original geometry closely

Helps restore proper structural jet support

larger-size union transition between threaded and slip plumbing

Pentair Max-E-Glas Dura-Glas 1/2HP Diffuser (C1-217P) handrailsladders Matching the THP ratingThe Pentair C1 217P diffuser is designed for compatible Max E Glas and Dura Glas 1 2 HP pump applications where the diffuser needs replacement. A diffuser like this is useful because it helps direct and stabilize water flow inside the wet end, supporting the relationship between the impeller and housing. Replacement is often needed when the original diffuser becomes cracked, worn, or damaged during service. Installing the correct Pentair diffuser can