Zodiac Jandy LRZE/LRZM/LXi Sensor Cap w/O-Ring (R0455400) unions A diverter is useful because

A diverter is useful because it is the central internal part responsible for directing water flow through the valve body

while the 3-piece body makes service work less cumbersome over time

and this Jacuzzi Magnum trap and pump body is designed for compatible 2 inch applications where the original body has cracked

and manufacturer part number

Carvin pump union set

Zodiac Jandy LRZE/LRZM/LXi Sensor Cap w/O-Ring (R0455400) unions A diverter is useful becauseSeal and secure the sensor area on compatible Zodiac Jandy LRZE, LRZM, and LXi heaters with this sensor cap and O ring. A reliable cap and seal help protect the sensor connection point and reduce the risk of water intrusion or leakage around the monitored area. If the original cap is cracked, stripped, missing, or the O ring is flattened, replacement can improve service reliability. This part is especially useful during temperature sensor service,