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Wilkins Reduced Pressure Principle Assembly

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Model 375AR (Sizes 2-1/2" - 10")

Model 375AR (Sizes 2-1/2" - 10")

Reduced Pressure Principle Assembly - Replacement

Designed for drop-in replacement of existing longer lay length assemblies without the need for additional spools or spacers, saving 2 to 6 hours of installation labor and up to 2 machine hours per backflow replacement.

  • Designed to replace old, long lay length Reduced Pressure Principle Assemblies
  • Reduces the cost of assembly replacement
  • Wilkins Compound Checks yield low headloss
  • Click here for the Air Gap assemblies
SKU Description 10" Price Qty
10-375AR-A 10" 10-375AR-A Reduced Pressure Principle Assy, Lead-Free, Grooved Body, Flanged NRS x Flanged NRS, Internal Spool Length A $10,297.64
10-375AR-B 10" 10-375AR-B Reduced Pressure Principle Assy, Lead-Free, Grooved Body, Flanged NRS x Flanged NRS, Internal Spool Length B $10,399.68
10-375AR-C 10" 10-375AR-C Reduced Pressure Principle Assy, Lead-Free, Grooved Body, Flanged NRS x Flanged NRS, Internal Spool Length C $10,501.19
10-375AROSY-A 10" 10-375AROSY-A Reduced Pressure Principle Assy, Lead-Free, Grooved Body, Flanged OSY x Flanged OSY, Internal Spool Length A $10,453.21
10-375AROSY-B 10" 10-375AROSY-B Reduced Pressure Principle Assy, Lead-Free, Grooved Body, Flanged OSY x Flanged OSY, Internal Spool Length B $10,555.26
10-375AROSY-C 10" 10-375AROSY-C Reduced Pressure Principle Assy, Lead-Free, Grooved Body, Flanged OSY x Flanged OSY, Internal Spool Length C $10,656.73
SKU Repair Kits 10" Price Qty
RK8-350 RK8-350 Repair Kit - 375/475 Checks Only $168.43
3711-CU-XL 8"-10" CNTRL ASSY, Lead-Free $978.87
RK8-375R 8" RK8-375R Repair Kit - 375/475 Relief Valve, Rubber Only $59.62
RK8-375 8" RK8-375 Repair Kit - 375/475 Relief Valve Complete $184.50
SKU Description 8" Price Qty
8-375AR-B 8" 375A W/GRV SPOOL B LEAD FREE $7,446.43
8-375AROSY-A 8" 375AOSY W/GRV SPOOL A LEAD FREE $7,852.38
8-375AROSY-B 8" 375AOSY W/GRV SPOOL B LEAD FREE $7,928.50
8-375AR-A 8" 8-375AR-A Reduced Pressure Principle Assy, Lead-Free, Grooved Body, Flanged NRS x Flanged NRS, Internal Spool Length A $7,370.25
SKU Repair Kits 8" Price Qty
RK8-350 RK8-350 Repair Kit - 375/475 Checks Only $168.43
3711-CU-XL 8"-10" CNTRL ASSY, Lead-Free $978.87
RK8-375R 8" RK8-375R Repair Kit - 375/475 Relief Valve, Rubber Only $59.62
RK8-375 8" RK8-375 Repair Kit - 375/475 Relief Valve Complete $184.50
SKU Description 6" Price Qty
6-375AR-B 6" 375A W/GRV SPOOL B LEAD FREE $4,537.83
6-375AROSY-A 6" 375AOSY W/GRV SPOOL A LEAD FREE $4,853.12
6-375AROSY-B 6" 375AOSY W/GRV SPOOL B LEAD FREE $4,914.40
6-375AR-A 6" 6-375AR-A Reduced Pressure Principle Assy, Lead-Free, Grooved Body, Flanged NRS x Flanged NRS, Internal Spool Length A $4,476.53
SKU Repair Kits 6" Price Qty
RK6-350 6" RK6-350 Repair Kit - 375/475 Checks Only $152.00
3707-CU-XL Wilkins Relief Valve Assy $796.20
RK212-375R 6" RK212-375R Repair Kit - 375/475 Relief Valve, Rubber Only $54.23
RK212-375 6" RK212-375 Repair Kit - 375/475 Relief Valve Complete $78.15
SKU Description 4" Price Qty
4-375AR-B 4" 375A W/GRV SPOOL B LEAD FREE $3,234.64
4-375AROSY-A 4" 375AOSY W/GRV SPOOL A LEAD FREE $3,377.23
4-375AROSY-B 4" 375AOSY W/GRV SPOOL B LEAD FREE $3,420.56
4-375AR-A 4" 4-375AR-A Reduced Pressure Principle Assy, Lead-Free, Grooved Body, Flanged NRS x Flanged NRS, Internal Spool Length A $3,191.31
SKU Repair Kits 4" Price Qty
RK4-350 4" RK4-350 Repair Kit - 375/475 Checks Only $90.92
3707-CU-XL Wilkins Relief Valve Assy $796.20
RK212-375R 6" RK212-375R Repair Kit - 375/475 Relief Valve, Rubber Only $54.23
RK212-375 6" RK212-375 Repair Kit - 375/475 Relief Valve Complete $78.15
SKU Description 3" Price Qty
3-375AROSY-A 3" 375AOSY W/GRV SPOOL A LEAD FREE $2,705.41
3-375AR-A 3" 3-375AR-A Reduced Pressure Principle Assy, Lead-Free, Grooved Body, Flanged NRS x Flanged NRS, Internal Spool Length A $2,389.60
SKU Repair Kits 3" Price Qty
RK4-350 4" RK4-350 Repair Kit - 375/475 Checks Only $90.92
3707-CU-XL Wilkins Relief Valve Assy $796.20
RK212-375R 6" RK212-375R Repair Kit - 375/475 Relief Valve, Rubber Only $54.23
RK212-375 6" RK212-375 Repair Kit - 375/475 Relief Valve Complete $78.15
SKU Description 2-1/2" Price Qty
212-375AROSY-A 2-1/2" 375AOSY W/GRV SPOOL A LEAD FREE $2,574.69
212-375AR-A 2 1/2" 212-375AR-A Reduced Pressure Principle Assy, Lead-Free, Grooved Body, Flanged NRS x Flanged NRS, Internal Spool Length A $2,295.04
SKU Repair Kits 2-1/2" Price Qty
RK4-350 4" RK4-350 Repair Kit - 375/475 Checks Only $90.92
3707-CU-XL Wilkins Relief Valve Assy $796.20
RK212-375R 6" RK212-375R Repair Kit - 375/475 Relief Valve, Rubber Only $54.23
RK212-375 6" RK212-375 Repair Kit - 375/475 Relief Valve Complete $78.15
Documents
Specification Sheet PDF icon
Installation and Maintenance Instructions 2-1/2" -6" PDF icon
Installation and Maintenance Instructions 8" & 10" PDF icon
Repair Parts PDF icon
Videos
Troubleshooting Pressure Relief Valve Discharge Video YouTube Videos
Wilkins 300AR Series Backflow YouTube Videos
Wilkins AR Installation Video YouTube Videos
Model 375 (8" & 10") Repair Video YouTube Videos
Model 375 (2 1/2" & 3") Repair Video YouTube Videos
Model 375 (4" & 6") Repair Video YouTube Videos


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