Pentair 36–43 MFD Start Capacitor (U18-1399) jettrim Matching the correct 9 inch

Matching the correct 9 inch stainless steel TF design helps preserve intended fit and dependable cover support

It is well-suited for both routine maintenance and targeted repairs

Size-specific insider fittings are especially practical when the original outlet part must match the surrounding wall fitting precisely for a clean rebuild

Plastic cleaning head removal tool for compatible Polaris Zodiac cleaning systems

Hayward valve gasket

Pentair 36–43 MFD Start Capacitor (U18-1399) jettrim Matching the correct 9 inchThe Pentair 3643 MFD Start Capacitor (U18 1399) is a replacement electrical component used to help provide the startup boost required by compatible pool and spa pump motors. A weak or failed capacitor can prevent a motor from starting properly, cause humming, or lead to unreliable operation, making the correct replacement part an important step in restoring dependable equipment performance. This start capacitor is designed for service applications