Find your parts diagram
Sticker on the pump body (the part with the basket), not on the motor. Motor labels from Century, A.O. Smith or Regal won't match parts.
Label on the side of the tank near the base. Size is in sq ft, e.g. 420 sq ft = C4030 or CCP420.
Rating plate inside the front access panel. Note the BTU and gas type (NG or LP).
Molded into the body or printed on top. Robotic cleaners: on the power supply.
Still not sure? Call (818) 818-6559 and we'll find it for you.
Waterway Crystal Water 36, 48 & 60 sq ft DE Filter Replacement Parts Diagram
Interactive parts diagram
28 parts. Tap a number on the diagram, or search by part number.
Scroll or pinch to zoom · drag to move
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Original (OEM) Waterway 550-6730 HD Pressure Relief Valve | Crystal Water$99.99
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Not sold online Waterway bezel assembly for the pressure gauge
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Not sold online Waterway pressure gauge, stainless
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Not sold online Waterway pressure relief screw with O-ring
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Not sold online Waterway air relief valve body with handle
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Not sold online Waterway O-ring, filter handle (2 needed)
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Not sold online Waterway spring, water bypass valve
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Not sold online Waterway plunger
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Not sold online Waterway air relief valve nut
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Original (OEM) Waterway Filter Lid For 48 Sq. Ft. Crystal Water Filters$229.99Notify me
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$279.99
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$26.99
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Original (OEM) Waterway Air Relief Assembly For Crystal Water Filters$26.99
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$5.99
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$70.99
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$199.99Notify me
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$70.99
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$219.99Notify me
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$70.99
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Model
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$129.99
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$149.99
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$169.99
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Model
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$129.99
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$149.99
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$169.99
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Model
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$34.99
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$39.99
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$35.99
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Not sold online Waterway 2½" outlet elbow assembly, D.E. filter — 36 sq ft: 550-4390B; 48 sq ft: 550-4220B; 60 sq ft: 550-4210B
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Not sold online Waterway O-ring, 2" tailpiece
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$43.99Notify me
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Not sold online Waterway filter body base
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Not sold online Waterway O-ring (2 needed)
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$23.99
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$4.49
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Not sold online Waterway drain assembly, new style
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Not sold online Waterway drain O-ring (224), new style
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$2.99
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No parts match.
Don't see your part? Ask us and we'll find it.
Also fits your Waterway Crystal Water 36, 48 & 60 sq ft DE Filter
Not shown on the diagram, but made for this pump.
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$29.99
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Original (OEM) Waterway Crystal Water D.E Filter | 48 sq. ft.$1,064.99
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Original (OEM) Waterway Crystal Water D.E Filter | 36 sq. ft.$859.99
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Original (OEM) Waterway Crystal Water D.E Filter | 60 sq. ft.$1,199.99
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$6.99Notify me
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$42.99
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Original (OEM) Waterway 600-1500 Slide Valve Assembly | 2.5" High-Temp PVC$98.99
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Aftermarket Aladdin Union O-Ring | 805-0232 | 35505-7438$4.99
Fit guide
Which Crystal Water D.E. part fits your filter?
Find the model (570-0036-07, 570-0048-07 or 570-0060-07) on your filter label. Part numbers come from Waterway's Crystal Water D.E. Filter replacement parts list. Each grid row links to a Unicel replacement grid set (7 large + 1 partial).
Grids by filter size
- 36 sq ft818-3950B570-0036-07: full grids 818-3950B, short grid 818-3940B; grid support 550-4380B (20" shaft); outlet elbow 550-4390B
- 48 sq ft818-3910B570-0048-07: full grids 818-3910B, short grid 818-3900B; grid support 550-4310B (26" shaft); outlet elbow 550-4220B
- 60 sq ft818-3930B570-0060-07: full grids 818-3930B, short grid 818-3920B; grid support 550-4350B (32" shaft); outlet elbow 550-4210B
Grid and manifold assembly
Grids, manifold and air relief as one unit.
Filter lid
- 36 sq ft
- 550-4450B
- 48 sq ft
- 550-4430B
- 60 sq ft
- 550-4440B

























