Name: Air Relief, Waterway CrystalWater | 550-4320
SKU: 550-4320
Price: 53.53 USD
Availability: InStock

Exploded parts diagram: This part is shown as item #18 on the DE Filter, Waterway, Crystal Water exploded parts diagram.

🔧 DE Filter, Waterway, Crystal Water – exploded parts diagram

DE Filter, Waterway, Crystal Water exploded parts diagram

The numbered parts below make up this assembly. Parts we stock are linked – click any to view.

No.	Part
–	DE Grid Set, Unicel, 48 sqft, 7 Full + 1 Half
–	Split Nut, Waterway DE Filter/Heaters, 2-1/2", PVC
–	Split Nut, Waterway DE Filter/Heaters, 2-1/2", PVC, Bagged
–	_570-0036-07
–	_570-0048-07
–	Grid DE,SET, Pleatco, 11" x 30" for 60sqft,(7 Full + 1 Half)
–	Grid DE,SET, Pleatco, 11" x 24" for 48sqft,(7 Full + 1 Half)
–	Grid DE,SET, Pleatco, 11" x 18" for 36sqft,(7 Full + 1 Half)
–	DE Grid Set, Pentair/Hayward, (7+1) 30" for 60 sqft Filters
–	DE Grid Set, Pentair/Hayward, (7+1) 24" for 48 sqft Filters
–	DE Grid Set, Pentair/Hayward, (7+1) 18" for 36 sqft Filters
33	16-270-W015K33
32	16-270-W015K32
31	Gasket, Waterway CrystalWater, 2-1/2", Bulkhead Fitting
30	Bulkhead Fitting, Waterway CrystalWater, 2-1/2"
29	O-Ring, Buna-N, 3-1/4" ID, 3/16" Cross Section, Generic
28	Drain Plug Assy, Waterway Crystal Water, W/O-Ring, Old Style
27	Tank Body, Waterway CrystalWater
26	Elbow, Waterway CrystalWater, 2-1/2", Long
25	O-Ring, 2-9/16" ID, 3/32" Cross Section, Generic
24	16-270-W015K24
23	16-270-W015K23
22	16-270-W015K22
21	16-270-W015K21
20	Manifold, Waterway CrystalWater, with Air Relief
19	Manifold Nut, Waterway CrystalWater
18	Air Relief, Waterway CrystalWater ◀ this part
17	Clamp Wrench, Waterway CrystalWater
16	Clamp Spring Assembly, Waterway CrystalWater Filters
15	O-Ring, Waterway Crystal Water, Tank Body
14	16-270-W015K14
13	16-270-W015K13
12	14-270-1121
11	Air Relief Valve Plunger, Waterway CrystalWater
10	Air Relief Valve Spring, Waterway CrystalWater
9	16-270-W015K9
8	Handle, Waterway CrystalWater, Air Relief Valve
7	16-270-W015K7
6	16-270-W015K6
5	Air Relief Body, Waterway CrystalWater
4	Rubber Boot, Waterway CrystalWater, Pressure Gauge
3	16-270-W015K3
2	Bezel Assembly, Waterway CrystalWater, Pressure Gauge
1	16-270-W015K1

🔧 Exploded diagram and parts

This part belongs to the DE Filter, Waterway, Crystal Water assembly. Everything listed below is something we stock for it, and the numbers match the diagram.

No.	Part	Our part number	Availability
1	Pressure Relief Valve Assy, Waterway Crystal Water, HD	550-6730	7 in stock
15	O-Ring, Waterway Crystal Water, Tank Body	805-0000	2 in stock
19	Manifold Nut, Waterway CrystalWater	718-4320	4 in stock
20	Manifold, Waterway CrystalWater, with Air Relief	550-4200	7 in stock
25	O-Ring, 2-9/16" ID, 3/32" Cross Section, Generic	AS-208H	51 in stock
26	Elbow, Waterway CrystalWater, 2-1/2", Long	550-4410	Available to order
28	Drain Plug Assy, Waterway Crystal Water, W/O-Ring, Old Style	400-6621	59 in stock
30	Bulkhead Fitting, Waterway CrystalWater, 2-1/2"	419-4201	9 in stock
31	Gasket, Waterway CrystalWater, 2-1/2", Bulkhead Fitting	711-4200	19 in stock
nan	Outlet Elbow Assy, Waterway CrystalWater, 2-1/2", 36 sqft	550-4390	Available to order
nan	Outlet Elbow Assy, Waterway CrystalWater, 2-1/2", 48 sqft	550-4220	Available to order
nan	Outlet Elbow Assy, Waterway CrystalWater, 2-1/2", 60 sqft	550-4210	Available to order
nan	Grid Support, Waterway CrystalWater, w/Center Rod, 48 sqft	550-4310	7 in stock
nan	Grid DE, Pleatco, 9-3/4" x 18" for 36 sqft , Half	PHG1836	Available to order
nan	DE Grid, Pleatco, Partial, 24"x9-3/4", for 48 sqft	PHG2448	17 in stock
nan	Grid DE, Pleatco, 9-3/4" x 30" for 60 sqft , Half	PHG3060	Available to order
nan	Grid DE, Pleatco, 18" x 11" for 36 Sqft, Full	PFG1836	Available to order
nan	Grid DE, Pleatco, 24" x 11" for 48 sqft , Full	PFG2448	Available to order
nan	Grid DE, Pleatco, 30" x 11" for 30 sqft , Full	PFG3060	Available to order
nan	Pressure Gauge, WW Clearwater II, 1/4"mpt, 0-60psi, Back Mount	830-4000SS	10 in stock

Grid DEs

Part	Our part number	Availability
Split Nut, Waterway DE Filter/Heaters, 2-1/2", PVC, Bagged	400-5271B	In stock
Grid DE, SET, Pleatco, 11" x 30" for 60sqft, (7 Full + 1 Half)	PFS3060	Available to order
Grid DE, SET, Pleatco, 11" x 24" for 48sqft, (7 Full + 1 Half)	PFS2448	Available to order
Grid DE, SET, Pleatco, 11" x 18" for 36sqft, (7 Full + 1 Half)	PFS1836	Available to order

Complete multiport valves

	Part	Our part number	Availability
	Multiport Valve, Waterway Side Mount, 2" Slip, with Unions	WVD002	Available to order
	Multiport Valve, Waterway Side Mount, 2"fpt, w/Unions	WVD001	4 in stock