Raypak Pump Union [Protege RPVSP1 1-1/2" PVC] (018230F) cfrfilters A FloThru heater is useful

A FloThru heater is useful because it delivers direct in-line heating while supporting systems that rely on a larger body and higher output than smaller standard heater formats

The cross-reference identifiers give this cartridge practical value because proper filter replacement depends on matching known part numbers to the intended canister and cartridge family

A part like this can improve both the seat feel and the visible finish in one straightforward step

and this Maytronics Dolphin white version uses the 99955951-ASSY reference

Raypak Pump Union [Protege RPVSP1 1-1/2" PVC] (018230F) cfrfilters A FloThru heater is usefulThe Raypak Pump Union for Protege RPVSP1 systems is a 1 1 2 inch PVC union used with compatible Raypak Protege pump plumbing connections. Pump unions make it easier to connect, disconnect, and service pump equipment without cutting into plumbing each time maintenance is required. This replacement union is a practical choice when the existing union is cracked, leaking, cross threaded, or missing. It helps restore a reliable connection between the pump