Pentair Rainbow RTL Tank Base (R172452) pentairletro Check valves are useful because

Check valves are useful because they help manage water direction automatically

Improves filtration confidence and repair quality

Screw sets simplify service by bundling the matched hardware needed for compatible niche or light assembly repairs

Waterway 2-1/2" Union Nut [w/ 2-1/2" Slip Tailpiece and Gasket] (400-6021) is a Waterway Plastics union or union-related fitting designed for serviceable pool and spa plumbing connections

Installing the correct Pentair/Sta-Rite eyeball inlet can help restore return-point function and improve the appearance of the fitting

Pentair Rainbow RTL Tank Base (R172452) pentairletro Check valves are useful becauseWhen the original component is worn, misplaced, or hard to secure, this tank base helps complete the repair. It supports filter serviceability by helping the tank, lid, cartridge, or flow path stay aligned and accessible during maintenance. It gives pool service teams a clear part numbered option for routine repairs, route stock, and older equipment support. Fits compatible RTL equipment applications Supports the related filter parts repair area Helps