HDXFDPS400 | Hayward Differential Pressure Switch For HDF400 Pentair 356197 includes union and o-ring for

includes union and o-ring for quick replacement at counter

High-Quality Components: Includes a high-quality igniter and gasket

Precision Fit for PlusHP Models: Engineered specifically for Jandy PlusHP pumps to ensure accurate sizing and reliable performance

This kit delivers a precise fit to maintain the pump's original water flow and pressure output

available in-store: secure your filter with OEM R0554700 top lid

HDXFDPS400 | Hayward Differential Pressure Switch For HDF400 Pentair 356197 includes union and o-ring forOEM Hayward Differential Pressure Switch HDXFDPS400 is engineered for use with Hayward HC Series HDF400 heaters to monitor pressure differentials across the filtration system. This precision switch detects abnormal pressure changes and activates alarms or system shutdowns to prevent damage caused by restricted flow or dirty filters. Its durable design ensures long term reliability under high temperature and chemically treated conditions. As a critical