Pentair System 3 DE 2" ABS 6-Position Multiport Valve w/Unions (18201-0300) pumpparts Choosing the correct HQ-compatible heater

Choosing the correct HQ-compatible heater helps simplify the service process and reduce fitment uncertainty

Selecting the correct flush configuration helps maintain the intended fit at the pool wall while supporting consistent surface skimming performance

When blanket straps wear out across the system

Part of a best-selling family with strong related-parts support

and this Marathon Electric version is a 4

Pentair System 3 DE 2" ABS 6-Position Multiport Valve w/Unions (18201-0300) pumpparts Choosing the correct HQ-compatible heaterControl water routing on compatible System 3 DE filter setups with this genuine Pentair Pool Products 2 inch ABS 6 position multiport valve, part 18201 0300. The included union style connections support service access while the valve body provides the functional positions needed for filter operation and backwash routines. This replacement is a strong choice when the original valve is leaking, difficult to turn, or no longer directing water properly.