Raypak 151/153/155A Pressure Switch Tube (003271F) watercare and this Jacuzzi 2 inch

and this Jacuzzi 2 inch Dial Valve Gasket is designed for compatible 5-spoke applications where the original gasket has flattened

the Praher SM1-PP3 offers a 1-1/2 inch replacement designed around that plumbing format

The Praher SM-20-A0 multiport valve is made for compatible 2 inch female threaded plumbing and is built to restore the core control function of filtration systems that rely on a correctly matched valve body

The Hayward inlet fitting is designed for compatible pool return applications where a 3 inch hole-size fitting is needed in a 1-1/2 inch FPT by 1-1/2 inch FPT configuration

Raypak 151/153/155A Pressure Switch Tube (003271F) watercare and this Jacuzzi 2 inchThe Raypak pressure switch tube is designed for compatible 151, 153, and 155A heater applications where the supported pressure sensing connection path needs replacement. A tube like this is useful because it helps transmit the system condition to the pressure switch, supporting the protective and operating logic of the heater. This replacement is especially useful when the original tube is cracked, clogged, bent, or otherwise no longer dependable.