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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 $13,326.44
12IN-350DACFM 12" 12IN-350DACFM Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, CFM Meter $13,326.39
12IN-350DALM 12" 12IN-350DALM Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, Less Meter $13,208.91
12IN-350DASCFM 12" 12IN-350DASCFM Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, SCFM Meter $13,401.25
12IN-350DAOSYPI 12" 12IN-350DAOSYPI Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged PI $13,326.39
12IN-350DAL 12" 12IN-350DAL Double Check Detector Assy, Flanged Body, Flanged x Flanged, Less Gate Valves $8,236.19
SKU Repair Kits 12" Price Qty
RK8-350DA 8" RK8-350DA Repair Kit - 350DA/450DA Rubber Only, Includes by-pass parts $202.07
SKU Description 10" Price Qty
10-350DALMNYC 10"350DA L/MTR NEW YORK $9,147.58
10-350DARH 10"350DA W/RIGHT HAND GV $9,147.58
10-350DA 10" 10-350DA Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY $9,312.74
10-350DACFM 10" 10-350DACFM Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, CFM Meter $9,312.69
10-350DALM 10" 10-350DALM Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, Less Meter $9,195.31
10-350DASCFM 10" 10-350DASCFM Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, SCFM Meter $9,387.65
10-350DASB 10" 10-350DASB Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, Stainless Steel Bolts $10,622.93
10-350DAFG 10" 10-350DAFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY $9,312.69
10-350DACFMFG 10" 10-350DACFMFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY, CFM Meter $9,312.69
10-350DASCFMFG 10" 10-350DASCFMFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY, SCFM Meter $9,387.65
10-350DAPIOSY 10" 10-350DAPIOSY Double Check Detector Assy, Flanged Body, Flanged PI x Flanged OSY $9,312.69
10-350DAL 10" 10-350DAL Double Check Detector Assy, Flanged Body, Flanged x Flanged, Less Gate Valves $6,567.10
10-350DAG 10" 10-350DAG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved OSY $9,312.69
10-350DACFMG 10" 10-350DACFMG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved OSY, CFM Meter $9,312.69
10-350DASCFMG 10" 10-350DASCFMG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved OSY, SCFM Meter $9,387.65
SKU Repair Kits 10" Price Qty
RK8-350DA 8" RK8-350DA Repair Kit - 350DA/450DA Rubber Only, Includes by-pass parts $202.07
SKU Description 8" Price Qty
8-350DALLMNYC 8" 350DA LESS GV L/MTRNYC $5,070.20
8-350DASB 8" 350DA W/ SS FLG BLT $7,371.51
8-350DARH 8"350DA W/RT HND GATE VLV $6,392.55
8-350DA 8" 8-350DA Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY $6,839.81
8-350DACFM 8" 8-350DACFM Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, CFM Meter $6,839.81
8-350DALM 8" 8-350DALM Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, Less Meter $6,722.49
8-350DALMNYC 8" 8-350DALMNYC Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, Less Meter, NYC Config $6,712.96
8-350DASCFM 8" 8-350DASCFM Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, SCFM Meter $6,914.78
8-350DAOSYPI 8" 8-350DAOSYPI Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged PI $6,839.81
8-350DAFG 8" 8-350DAFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY $6,839.81
8-350DACFMFG 8" 8-350DACFMFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY, CFM Meter $6,839.81
8-350DALMFG 8" 8-350DALMFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY, Less Meter $6,722.49
8-350DASCFMFG 8" 8-350DASCFMFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY, SCFM Meter $6,914.78
8-350DAPIOSY 8" 8-350DAPIOSY Double Check Detector Assy, Flanged Body, Flanged PI x Flanged OSY $6,839.81
8-350DAPI 8" 8-350DAPI Double Check Detector Assy, Flanged Body, Flanged PI x Flanged PI $6,839.81
8-350DAPIOSYFG 8" 8-350DAPIOSYFG Double Check Detector Assy, Flanged Body, Flanged PI x Grooved OSY $6,839.81
8-350DAL 8" 8-350DAL Double Check Detector Assy, Flanged Body, Flanged x Flanged, Less Gate Valves $5,205.81
8-350DALLM 8" 8-350DALLM Double Check Detector Assy, Flanged Body, Flanged x Flanged, Less Meter, Less Gate Valves $5,080.56
8-350DAG 8" 8-350DAG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved OSY $6,839.81
8-350DACFMG 8" 8-350DACFMG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved OSY, CFM Meter $6,839.81
8-350DASCFMG 8" 8-350DASCFMG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved OSY, SCFM Meter $6,914.78
SKU Repair Kits 8" Price Qty
RK8-350DA 8" RK8-350DA Repair Kit - 350DA/450DA Rubber Only, Includes by-pass parts $202.07
SKU Description 6" Price Qty
6-350DASB 6" 350DA W/ SS FLG BLT $4,252.91
6-350DASCFMNRS 6" 350DA W/SCFM MTR W/NRS GV $3,873.90
6-350DASBSH 6" 350DA W/SS BOLT & BV HANDLE $4,941.64
6-350DANRSOSY 6"350DA NRS FXF /OS&Y FXF $3,896.13
6-350DARH 6"350DA W/RT HND GATE VLV $3,974.71
6-350DALCFM 6"350DAL W/CFM METER $2,918.41
6-350DASCFMPIOSY 6"350DAPIOSY W/SCFM METER $4,332.76
6-350DA 6" 6-350DA Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY $4,252.91
6-350DACFM 6" 6-350DACFM Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, CFM Meter $4,252.91
6-350DALM 6" 6-350DALM Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, Less Meter $4,127.71
6-350DALMNYC 6" 6-350DALMNYC Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, Less Meter, NYC Config $4,117.24
6-350DALMNYC 6" 6-350DALMNYC Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, Less Meter, NYC Config $4,117.24
6-350DASCFM 6" 6-350DASCFM Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, SCFM Meter $4,332.76
6-350DAOSYPI 6" 6-350DAOSYPI Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged PI $4,252.91
6-350DAFG 6" 6-350DAFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY $4,252.91
6-350DACFMFG 6" 6-350DACFMFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY, CFM Meter $4,252.91
6-350DALMFG 6" 6-350DALMFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY, Less Meter $4,127.71
6-350DASCFMFG 6" 6-350DASCFMFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY, SCFM Meter $4,332.76
6-350DAOSYPIFG 6" 6-350DAOSYPIFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved PI $4,252.91
6-350DAPIOSY 6" 6-350DAPIOSY Double Check Detector Assy, Flanged Body, Flanged PI x Flanged OSY $4,252.91
6-350DAPIOSYG 6" 6-350DAPIOSYG Double Check Detector Assy, Flanged Body, Flanged PI x Grooved OSY $4,252.91
6-350DAL 6" 6-350DAL Double Check Detector Assy, Flanged Body, Flanged x Flanged, Less Gate Valves $2,918.41
6-350DALLM 6" 6-350DALLM Double Check Detector Assy, Flanged Body, Flanged x Flanged, Less Meter, Less Gate Valves $2,793.11
6-350DALLMNYC 6" 6-350DALLMNYC Double Check Detector Assy, Flanged Body, Flanged x Flanged, Less Meter, Less GV, NYC Config $2,622.61
6-350DAGF 6" 6-350DAGF Double Check Detector Assy, Flanged Body, Grooved OSY x Flanged OSY $4,252.91
6-350DAG 6" 6-350DAG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved OSY $4,252.91
6-350DACFMG 6" 6-350DACFMG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved OSY, CFM Meter $4,252.91
6-350DALMG 6" 6-350DALMG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved OSY, Less Meter $4,127.71
6-350DASCFMG 6" 6-350DASCFMG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved OSY, SCFM Meter $4,332.76
6-350DAOSYPIG 6" 6-350DAOSYPIG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved PI $4,252.91
6-350DAPIPIG 6" 6-350DAPIPIG Double Check Detector Assy, Flanged Body, Grooved PI x Grooved PI $4,052.33
SKU Repair Kits 6" Price Qty
RK6-350DA 6" RK6-350DA Repair Kit - 350DA/450DA Rubber Only, Includes by-pass parts $187.21
SKU Description 4" Price Qty
4-350DASB 4" 350DA W/ SS FLG BLT $3,023.96
4-350DANRS 4" 350DA W/NRS GATES X 2 $2,736.45
4-350DANRSOSY 4"350DA NRSFXF / OS&Y FXF $2,813.42
4-350DALMNYC 4"350DA W/OSY GV L/MTR NY $2,798.79
4-350DARH 4"350DA W/RT HND GATE VLV $2,752.92
4-350DA 4" 4-350DA Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY $2,945.60
4-350DACFM 4" 4-350DACFM Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, CFM Meter $2,945.65
4-350DALM 4" 4-350DALM Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, Less Meter $2,820.45
4-350DASCFM 4" 4-350DASCFM Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, SCFM Meter $3,025.51
4-350DAOSYPI 4" 4-350DAOSYPI Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged PI $2,945.65
4-350DAFG 4" 4-350DAFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY $2,945.65
4-350DACFMFG 4" 4-350DACFMFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY, CFM Meter $2,945.65
4-350DALMFG 4" 4-350DALMFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY, Less Meter $2,820.45
4-350DASCFMFG 4" 4-350DASCFMFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY, SCFM Meter $3,025.51
4-350DAOSYPIFG 4" 4-350DAOSYPIFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved PI $2,945.65
4-350DAPIOSY 4" 4-350DAPIOSY Double Check Detector Assy, Flanged Body, Flanged PI x Flanged OSY $2,945.65
4-350DAPIOSYFG 4" 4-350DAPIOSYFG Double Check Detector Assy, Flanged Body, Flanged PI x Grooved OSY $2,945.65
4-350DAPIOSYG 4" 4-350DAPIOSYG Double Check Detector Assy, Flanged Body, Flanged PI x Grooved OSY $2,945.65
4-350DALCFM 4" 4-350DALCFM Double Check Detector Assy, Flanged Body, Flanged x Flanged, CFM Meter, Less Gate Valves $1,993.77
4-350DAL 4" 4-350DAL Double Check Detector Assy, Flanged Body, Flanged x Flanged, Less Gate Valves $1,993.67
4-350DALLM 4" 4-350DALLM Double Check Detector Assy, Flanged Body, Flanged x Flanged, Less Meter, Less Gate Valves $1,868.36
4-350DALLMNYC 4" 4-350DALLMNYC Double Check Detector Assy, Flanged Body, Flanged x Flanged, Less Meter, Less Gate Valves, NYC Config $1,805.64
4-350DAGF 4" 4-350DAGF Double Check Detector Assy, Flanged Body, Grooved OSY x Flanged OSY $2,945.65
4-350DALMGF 4" 4-350DALMGF Double Check Detector Assy, Flanged Body, Grooved OSY x Flanged OSY, Less Meter $2,820.45
4-350DAG 4" 4-350DAG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved OSY $2,945.65
4-350DACFMG 4" 4-350DACFMG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved OSY, CFM Meter $2,945.65
4-350DALMG 4" 4-350DALMG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved OSY, Less Meter $2,820.45
4-350DASCFMG 4" 4-350DASCFMG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved OSY, SCFM Meter $3,025.51
4-350DAOSYPIG 4" 4-350DAOSYPIG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved PI $2,945.65
4-350DALMOSYPIG 4" 4-350DALMOSYPIG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved PI, Less Meter $2,820.45
SKU Repair Kits 4" Price Qty
RK4-350DA 4" RK4-350DA Repair Kit - 350DA/450DA Rubber Only, Includes by-pass parts $125.93
SKU Description 3" Price Qty
3-350DANRSOSY 3" 350DA W/NRS W/OSY $2,222.97
3-350DA 3" 3-350DA Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY $2,297.93
3-350DACFM 3" 3-350DACFM Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, CFM Meter $2,298.03
3-350DALM 3" 3-350DALM Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, Less Meter $2,172.68
3-350DALMNYC 3" 3-350DALMNYC Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, Less Meter, NYC Config $2,027.20
3-350DALMNYC 3" 3-350DALMNYC Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, Less Meter, NYC Config $2,027.20
3-350DARH 3" 3-350DARH Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, Right Hand GV $2,298.03
3-350DARH 3" 3-350DARH Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, Right Hand GV $2,298.03
3-350DASCFM 3" 3-350DASCFM Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, SCFM Meter $2,377.84
3-350DAFG 3" 3-350DAFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY $2,298.03
3-350DACFMFG 3" 3-350DACFMFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY, CFM Meter $2,298.03
3-350DASCFMFG 3" 3-350DASCFMFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY, SCFM Meter $2,377.84
3-350DALCFM 3" 3-350DALCFM Double Check Detector Assy, Flanged Body, Flanged x Flanged, CFM Meter, Less Gate Valves $1,389.85
3-350DAL 3" 3-350DAL Double Check Detector Assy, Flanged Body, Flanged x Flanged, Less Gate Valves $1,389.85
3-350DALLM 3" 3-350DALLM Double Check Detector Assy, Flanged Body, Flanged x Flanged, Less Meter, Less Gate Valves $1,264.69
3-350DALLMNYC 3" 3-350DALLMNYC Double Check Detector Assy, Flanged Body, Flanged x Flanged, Less Meter, Less Gate Valves, NYC Config $1,148.99
3-350DALSCFM 3" 3-350DALSCFM Double Check Detector Assy, Flanged Body, Flanged x Flanged, SCFM Meter, Less Gate Valves $1,469.76
3-350DAGF 3" 3-350DAGF Double Check Detector Assy, Flanged Body, Grooved OSY x Flanged OSY $2,298.03
3-350DAG 3" 3-350DAG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved OSY $2,298.03
3-350DACFMG 3" 3-350DACFMG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved OSY, CFM Meter $2,298.03
3-350DALMG 3" 3-350DALMG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved OSY, Less Meter $2,172.68
3-350DASCFMG 3" 3-350DASCFMG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved OSY, SCFM Meter $2,377.84
3-350DAOSYPIG 3" 3-350DAOSYPIG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved PI $2,298.03
3-350DAOSYPIGCFM 3" 3-350DAOSYPIGCFM Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved PI, CFM Meter $2,254.96
SKU Repair Kits 3" Price Qty
RK212-350DA 2 1/2" - 3" RK212-350DA Repair Kit - 350DA/450DA Rubber Only, Includes by-pass parts $56.38
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 $2,119.82
212-350DA 2 1/2" 212-350DA Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY $2,195.07
212-350DALM 2 1/2" 212-350DALM Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, Less Meter $2,069.92
212-350DASCFM 2 1/2" 212-350DASCFM Double Check Detector Assy, Flanged Body, Flanged OSY x Flanged OSY, SCFM Meter $2,274.92
212-350DAFG 2 1/2" 212-350DAFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY $2,195.12
212-350DACFMFG 2 1/2" 212-350DACFMFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY, CFM Meter $2,195.12
212-350DACFMG 2 1/2" 212-350DACFMG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY, CFM Meter $2,195.12
212-350DALMG 2 1/2" 212-350DALMG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY, Less Meter $2,069.92
212-350DASCFMFG 2 1/2" 212-350DASCFMFG Double Check Detector Assy, Flanged Body, Flanged OSY x Grooved OSY, SCFM Meter $2,274.92
212-350DALCFM 2 1/2" 212-350DALCFM Double Check Detector Assy, Flanged Body, Flanged x Flanged, CFM Meter, Less Gate Valves $1,389.44
212-350DAL 2 1/2" 212-350DAL Double Check Detector Assy, Flanged Body, Flanged x Flanged, Less Gate Valves $1,389.44
212-350DALLM 2 1/2" 212-350DALLM Double Check Detector Assy, Flanged Body, Flanged x Flanged, Less Meter, Less Gate Valves $1,264.03
212-350DALSCFM 2 1/2" 212-350DALSCFM Double Check Detector Assy, Flanged Body, Flanged x Flanged, SCFM Meter, Less Gate Valves $1,469.29
212-350DAGF 2 1/2" 212-350DAGF Double Check Detector Assy, Flanged Body, Grooved OSY x Flanged OSY $2,195.12
212-350DASCFMGF 2 1/2" 212-350DASCFMGF Double Check Detector Assy, Flanged Body, Grooved OSY x Flanged OSY, SCFM Meter $2,274.92
212-350DAG 2 1/2" 212-350DAG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved OSY $2,195.12
212-350DACFM 2 1/2" 212-350DACFM Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved OSY, CFM Meter $2,195.12
212-350DASCFMG 2 1/2" 212-350DASCFMG Double Check Detector Assy, Flanged Body, Grooved OSY x Grooved OSY, SCFM Meter $2,274.92
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 $56.38
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 $1,717.73
2-350DA 2" 2-350DA Double Check Detector Assy, Flanged 2 1/2" Body, FNPT OSY x FNPT OSY $2,554.11
2-350DACFM 2" 2-350DACFM Double Check Detector Assy, Flanged 2 1/2" Body, FNPT OSY x FNPT OSY, CFM Meter $2,554.11
2-350DALM 2" 2-350DALM Double Check Detector Assy, Flanged 2 1/2" Body, FNPT OSY x FNPT OSY, Less Meter $2,386.92
2-350DASCFM 2" 2-350DASCFM Double Check Detector Assy, Flanged 2 1/2" Body, FNPT OSY x FNPT OSY, SCFM Meter $2,635.56
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