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Air Delights Commercial Restroom Products

Wilkins Double Check Detector Assembly

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Model 350DA (Sizes 2-1/2" - 10")

Model 350DA (Sizes 2-1/2" - 10")

Model 350 Lead-Free Double Check Valve Assembly

  • Short lay length makes replacement easier
  • Available in flanged, grooved, or grooved X flanged
  • Compound Check yields very low head-loss
  • Low-lead law compliant
SKU Description 12" Price Qty
12IN-350DA 12" 12IN-350DA Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY $17,111.15
12IN-350DACFM 12" 12IN-350DACFM Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, CFM Meter $17,111.09
12IN-350DALM 12" 12IN-350DALM Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, Less Meter $16,960.24
12IN-350DASCFM 12" 12IN-350DASCFM Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, SCFM Meter $17,207.21
12IN-350DAOSYPI 12" 12IN-350DAOSYPI Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged PI $17,111.09
12IN-350DAL 12" 12IN-350DAL Double Check Detector Assy, Flanged Body, Flanged x Flanged, Less Gate Valves $10,575.26
SKU Repair Kits 12" Price Qty
RK8-350DA 8" RK8-350DA Repair Kit - 350DA/450DA Rubber Only, Includes by-pass parts $259.45
SKU Description 10" Price Qty
10-350DALMNYC 10"350DA L/MTR NEW YORK $11,745.49
10-350DARH 10"350DA W/RIGHT HAND GV $11,745.49
10-350DA 10" 10-350DA Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY $11,957.56
10-350DACFM 10" 10-350DACFM Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, CFM Meter $11,957.50
10-350DALM 10" 10-350DALM Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, Less Meter $11,806.78
10-350DASCFM 10" 10-350DASCFM Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, SCFM Meter $12,053.75
10-350DASB 10" 10-350DASB Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, Stainless Steel Bolts $13,639.85
10-350DAFG 10" 10-350DAFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY $11,957.50
10-350DACFMFG 10" 10-350DACFMFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY, CFM Meter $11,957.50
10-350DASCFMFG 10" 10-350DASCFMFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY, SCFM Meter $12,053.75
10-350DAPIOSY 10" 10-350DAPIOSY Double Check Detector Assy, Flanged Body, Flanged PI x Flanged OSY $11,957.50
10-350DAL 10" 10-350DAL Double Check Detector Assy, Flanged Body, Flanged x Flanged, Less Gate Valves $8,432.16
10-350DAG 10" 10-350DAG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved OSY $11,957.50
10-350DACFMG 10" 10-350DACFMG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved OSY, CFM Meter $11,957.50
10-350DASCFMG 10" 10-350DASCFMG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved OSY, SCFM Meter $12,053.75
SKU Repair Kits 10" Price Qty
RK8-350DA 8" RK8-350DA Repair Kit - 350DA/450DA Rubber Only, Includes by-pass parts $259.45
SKU Description 8" Price Qty
8-350DALLMNYC 8" 350DA LESS GV L/MTRNYC $6,510.13
8-350DASB 8" 350DA W/ SS FLG BLT $9,465.02
8-350DARH 8"350DA W/RT HND GATE VLV $8,208.04
8-350DA 8" 8-350DA Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY $8,782.32
8-350DACFM 8" 8-350DACFM Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, CFM Meter $8,782.32
8-350DALM 8" 8-350DALM Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, Less Meter $8,631.67
8-350DALMNYC 8" 8-350DALMNYC Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, Less Meter, NYC Config $8,619.44
8-350DASCFM 8" 8-350DASCFM Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, SCFM Meter $8,878.57
8-350DAOSYPI 8" 8-350DAOSYPI Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged PI $8,782.32
8-350DAFG 8" 8-350DAFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY $8,782.32
8-350DACFMFG 8" 8-350DACFMFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY, CFM Meter $8,782.32
8-350DALMFG 8" 8-350DALMFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY, Less Meter $8,631.67
8-350DASCFMFG 8" 8-350DASCFMFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY, SCFM Meter $8,878.57
8-350DAPIOSY 8" 8-350DAPIOSY Double Check Detector Assy, Flanged Body, Flanged PI x Flanged OSY $8,782.32
8-350DAPI 8" 8-350DAPI Double Check Detector Assy, Flanged Body, Flanged PI x Flanged PI $8,782.32
8-350DAPIOSYFG 8" 8-350DAPIOSYFG Double Check Detector Assy, Flanged Body, Flanged PI x Grooved OSY $8,782.32
8-350DAL 8" 8-350DAL Double Check Detector Assy, Flanged Body, Flanged x Flanged, Less Gate Valves $6,684.26
8-350DALLM 8" 8-350DALLM Double Check Detector Assy, Flanged Body, Flanged x Flanged, Less Meter, Less Gate Valves $6,523.44
8-350DAG 8" 8-350DAG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved OSY $8,782.32
8-350DACFMG 8" 8-350DACFMG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved OSY, CFM Meter $8,782.32
8-350DASCFMG 8" 8-350DASCFMG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved OSY, SCFM Meter $8,878.57
SKU Repair Kits 8" Price Qty
RK8-350DA 8" RK8-350DA Repair Kit - 350DA/450DA Rubber Only, Includes by-pass parts $259.45
SKU Description 6" Price Qty
6-350DASB 6" 350DA W/ SS FLG BLT $5,460.73
6-350DASCFMNRS 6" 350DA W/SCFM MTR W/NRS GV $4,974.08
6-350DASBSH 6" 350DA W/SS BOLT & BV HANDLE $6,345.06
6-350DANRSOSY 6"350DA NRS FXF /OS&Y FXF $5,002.63
6-350DARH 6"350DA W/RT HND GATE VLV $5,103.53
6-350DALCFM 6"350DAL W/CFM METER $3,747.24
6-350DASCFMPIOSY 6"350DAPIOSY W/SCFM METER $5,563.26
6-350DA 6" 6-350DA Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY $5,460.73
6-350DACFM 6" 6-350DACFM Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, CFM Meter $5,460.73
6-350DALM 6" 6-350DALM Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, Less Meter $5,299.98
6-350DALMNYC 6" 6-350DALMNYC Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, Less Meter, NYC Config $5,286.54
6-350DALMNYC 6" 6-350DALMNYC Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, Less Meter, NYC Config $5,286.54
6-350DASCFM 6" 6-350DASCFM Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, SCFM Meter $5,563.26
6-350DAOSYPI 6" 6-350DAOSYPI Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged PI $5,460.73
6-350DAFG 6" 6-350DAFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY $5,460.73
6-350DACFMFG 6" 6-350DACFMFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY, CFM Meter $5,460.73
6-350DALMFG 6" 6-350DALMFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY, Less Meter $5,299.98
6-350DASCFMFG 6" 6-350DASCFMFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY, SCFM Meter $5,563.26
6-350DAOSYPIFG 6" 6-350DAOSYPIFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved PI $5,460.73
6-350DAPIOSY 6" 6-350DAPIOSY Double Check Detector Assy, Flanged Body, Flanged PI x Flanged OSY $5,460.73
6-350DAPIOSYG 6" 6-350DAPIOSYG Double Check Detector Assy, Flanged Body, Flanged PI x Grooved OSY $5,460.73
6-350DAL 6" 6-350DAL Double Check Detector Assy, Flanged Body, Flanged x Flanged, Less Gate Valves $3,747.24
6-350DALLM 6" 6-350DALLM Double Check Detector Assy, Flanged Body, Flanged x Flanged, Less Meter, Less Gate Valves $3,586.36
6-350DALLMNYC 6" 6-350DALLMNYC Double Check Detector Assy, Flanged Body, Flanged x Flanged, Less Meter, Less GV, NYC Config $3,367.43
6-350DAGF 6" 6-350DAGF Double Check Detector Assy, Flanged Body, Grooved OSY x Flanged OSY $5,460.73
6-350DAG 6" 6-350DAG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved OSY $5,460.73
6-350DACFMG 6" 6-350DACFMG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved OSY, CFM Meter $5,460.73
6-350DALMG 6" 6-350DALMG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved OSY, Less Meter $5,299.98
6-350DASCFMG 6" 6-350DASCFMG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved OSY, SCFM Meter $5,563.26
6-350DAOSYPIG 6" 6-350DAOSYPIG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved PI $5,460.73
6-350DAPIPIG 6" 6-350DAPIPIG Double Check Detector Assy, Flanged Body, Grooved PI x Grooved PI $5,203.19
SKU Repair Kits 6" Price Qty
RK6-350DA 6" RK6-350DA Repair Kit - 350DA/450DA Rubber Only, Includes by-pass parts $240.37
SKU Description 4" Price Qty
4-350DASB 4" 350DA W/ SS FLG BLT $3,882.77
4-350DANRS 4" 350DA W/NRS GATES X 2 $3,513.60
4-350DANRSOSY 4"350DA NRSFXF / OS&Y FXF $3,612.43
4-350DALMNYC 4"350DA W/OSY GV L/MTR NY $3,593.65
4-350DARH 4"350DA W/RT HND GATE VLV $3,534.74
4-350DA 4" 4-350DA Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY $3,782.15
4-350DACFM 4" 4-350DACFM Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, CFM Meter $3,782.22
4-350DALM 4" 4-350DALM Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, Less Meter $3,621.46
4-350DASCFM 4" 4-350DASCFM Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, SCFM Meter $3,884.76
4-350DAOSYPI 4" 4-350DAOSYPI Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged PI $3,782.22
4-350DAFG 4" 4-350DAFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY $3,782.22
4-350DACFMFG 4" 4-350DACFMFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY, CFM Meter $3,782.22
4-350DALMFG 4" 4-350DALMFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY, Less Meter $3,621.46
4-350DASCFMFG 4" 4-350DASCFMFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY, SCFM Meter $3,884.76
4-350DAOSYPIFG 4" 4-350DAOSYPIFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved PI $3,782.22
4-350DAPIOSY 4" 4-350DAPIOSY Double Check Detector Assy, Flanged Body, Flanged PI x Flanged OSY $3,782.22
4-350DAPIOSYFG 4" 4-350DAPIOSYFG Double Check Detector Assy, Flanged Body, Flanged PI x Grooved OSY $3,782.22
4-350DAPIOSYG 4" 4-350DAPIOSYG Double Check Detector Assy, Flanged Body, Flanged PI x Grooved OSY $3,782.22
4-350DALCFM 4" 4-350DALCFM Double Check Detector Assy, Flanged Body, Flanged x Flanged, CFM Meter, Less Gate Valves $2,560.00
4-350DAL 4" 4-350DAL Double Check Detector Assy, Flanged Body, Flanged x Flanged, Less Gate Valves $2,559.88
4-350DALLM 4" 4-350DALLM Double Check Detector Assy, Flanged Body, Flanged x Flanged, Less Meter, Less Gate Valves $2,398.98
4-350DALLMNYC 4" 4-350DALLMNYC Double Check Detector Assy, Flanged Body, Flanged x Flanged, Less Meter, Less Gate Valves, NYC Config $2,318.44
4-350DAGF 4" 4-350DAGF Double Check Detector Assy, Flanged Body, Grooved OSY x Flanged OSY $3,782.22
4-350DALMGF 4" 4-350DALMGF Double Check Detector Assy, Flanged Body, Grooved OSY x Flanged OSY, Less Meter $3,621.46
4-350DAG 4" 4-350DAG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved OSY $3,782.22
4-350DACFMG 4" 4-350DACFMG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved OSY, CFM Meter $3,782.22
4-350DALMG 4" 4-350DALMG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved OSY, Less Meter $3,621.46
4-350DASCFMG 4" 4-350DASCFMG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved OSY, SCFM Meter $3,884.76
4-350DAOSYPIG 4" 4-350DAOSYPIG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved PI $3,782.22
4-350DALMOSYPIG 4" 4-350DALMOSYPIG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved PI, Less Meter $3,621.46
SKU Repair Kits 4" Price Qty
RK4-350DA 4" RK4-350DA Repair Kit - 350DA/450DA Rubber Only, Includes by-pass parts $161.70
SKU Description 3" Price Qty
3-350DANRSOSY 3" 350DA W/NRS W/OSY $2,854.30
3-350DA 3" 3-350DA Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY $2,950.55
3-350DACFM 3" 3-350DACFM Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, CFM Meter $2,950.67
3-350DALM 3" 3-350DALM Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, Less Meter $2,789.72
3-350DALMNYC 3" 3-350DALMNYC Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, Less Meter, NYC Config $2,602.92
3-350DALMNYC 3" 3-350DALMNYC Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, Less Meter, NYC Config $2,602.92
3-350DARH 3" 3-350DARH Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, Right Hand GV $2,950.67
3-350DARH 3" 3-350DARH Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, Right Hand GV $2,950.67
3-350DASCFM 3" 3-350DASCFM Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, SCFM Meter $3,053.15
3-350DAFG 3" 3-350DAFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY $2,950.67
3-350DACFMFG 3" 3-350DACFMFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY, CFM Meter $2,950.67
3-350DASCFMFG 3" 3-350DASCFMFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY, SCFM Meter $3,053.15
3-350DALCFM 3" 3-350DALCFM Double Check Detector Assy, Flanged Body, Flanged x Flanged, CFM Meter, Less Gate Valves $1,784.57
3-350DAL 3" 3-350DAL Double Check Detector Assy, Flanged Body, Flanged x Flanged, Less Gate Valves $1,784.57
3-350DALLM 3" 3-350DALLM Double Check Detector Assy, Flanged Body, Flanged x Flanged, Less Meter, Less Gate Valves $1,623.86
3-350DALLMNYC 3" 3-350DALLMNYC Double Check Detector Assy, Flanged Body, Flanged x Flanged, Less Meter, Less Gate Valves, NYC Config $1,475.30
3-350DALSCFM 3" 3-350DALSCFM Double Check Detector Assy, Flanged Body, Flanged x Flanged, SCFM Meter, Less Gate Valves $1,887.17
3-350DAGF 3" 3-350DAGF Double Check Detector Assy, Flanged Body, Grooved OSY x Flanged OSY $2,950.67
3-350DAG 3" 3-350DAG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved OSY $2,950.67
3-350DACFMG 3" 3-350DACFMG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved OSY, CFM Meter $2,950.67
3-350DALMG 3" 3-350DALMG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved OSY, Less Meter $2,789.72
3-350DASCFMG 3" 3-350DASCFMG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved OSY, SCFM Meter $3,053.15
3-350DAOSYPIG 3" 3-350DAOSYPIG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved PI $2,950.67
3-350DAOSYPIGCFM 3" 3-350DAOSYPIGCFM Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved PI, CFM Meter $2,895.37
SKU Repair Kits 3" Price Qty
RK212-350DA 2 1/2" - 3" RK212-350DA Repair Kit - 350DA/450DA Rubber Only, Includes by-pass parts $72.40
SKU Description 2-1/2" Price Qty
212-350DANRSOSY 2 1/2" 212-350DANRSOSY Double Check Detector Assy, Flanged Body, Flanged NRS x Flanged OSY $2,721.85
212-350DA 2 1/2" 212-350DA Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY $2,818.46
212-350DALM 2 1/2" 212-350DALM Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, Less Meter $2,657.77
212-350DASCFM 2 1/2" 212-350DASCFM Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, SCFM Meter $2,920.99
212-350DAFG 2 1/2" 212-350DAFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY $2,818.54
212-350DACFMFG 2 1/2" 212-350DACFMFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY, CFM Meter $2,818.54
212-350DACFMG 2 1/2" 212-350DACFMG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY, CFM Meter $2,818.54
212-350DALMG 2 1/2" 212-350DALMG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY, Less Meter $2,657.77
212-350DASCFMFG 2 1/2" 212-350DASCFMFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY, SCFM Meter $2,920.99
212-350DALCFM 2 1/2" 212-350DALCFM Double Check Detector Assy, Flanged Body, Flanged x Flanged, CFM Meter, Less Gate Valves $1,784.04
212-350DAL 2 1/2" 212-350DAL Double Check Detector Assy, Flanged Body, Flanged x Flanged, Less Gate Valves $1,784.04
212-350DALLM 2 1/2" 212-350DALLM Double Check Detector Assy, Flanged Body, Flanged x Flanged, Less Meter, Less Gate Valves $1,623.01
212-350DALSCFM 2 1/2" 212-350DALSCFM Double Check Detector Assy, Flanged Body, Flanged x Flanged, SCFM Meter, Less Gate Valves $1,886.57
212-350DAGF 2 1/2" 212-350DAGF Double Check Detector Assy, Flanged Body, Grooved OSY x Flanged OSY $2,818.54
212-350DASCFMGF 2 1/2" 212-350DASCFMGF Double Check Detector Assy, Flanged Body, Grooved OSY x Flanged OSY, SCFM Meter $2,920.99
212-350DAG 2 1/2" 212-350DAG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved OSY $2,818.54
212-350DACFM 2 1/2" 212-350DACFM Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved OSY, CFM Meter $2,818.54
212-350DASCFMG 2 1/2" 212-350DASCFMG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved OSY, SCFM Meter $2,920.99
SKU Repair Kits 2-1/2" Price Qty
RK212-350DA 2 1/2" - 3" RK212-350DA Repair Kit - 350DA/450DA Rubber Only, Includes by-pass parts $72.40
SKU Description 2" Price Qty
2-350DAL 2" 2-350DAL Double Check Detector Assy, Flanged 2 1/2" Body, Flanged x Flanged, Less Gate Valves $2,205.56
2-350DA 2" 2-350DA Double Check Detector Assy, Flanged 2 1/2" Body, FNPT OSY x FNPT OSY $3,279.48
2-350DACFM 2" 2-350DACFM Double Check Detector Assy, Flanged 2 1/2" Body, FNPT OSY x FNPT OSY, CFM Meter $3,279.48
2-350DALM 2" 2-350DALM Double Check Detector Assy, Flanged 2 1/2" Body, FNPT OSY x FNPT OSY, Less Meter $3,064.80
2-350DASCFM 2" 2-350DASCFM Double Check Detector Assy, Flanged 2 1/2" Body, FNPT OSY x FNPT OSY, SCFM Meter $3,384.06
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