Deficiency Repairs Wilkins 975XL 137001 BFP-5 / Laundry Room Behind Washers: Backflow failed testing. Relief failed to vent - recommend full rebuild kit. 3/4" Wilkins 975 Serial #137001 Located in laundry room behind washers. Wilkins 975XL W261859 BFP-6 / Laundry Room Behind Washers: Backflow failed testing. Check 2 leaked by - recommend full rebuild kit. 3/4" Wilkins 975XL Serial #W261859 located in laundry room behind washers. 11: Fire Extinguisher due for service. (1) 5lb FEX due for 6 year service.