Model 375XL - Backflow Parts & Repair Kits

1 Zurn Industries, LLC | Wilkins1747 Commerce Way, Paso Robles, CA 93446 Ph. 855-663-9876, Fax 805-238-5766In Canada | Zurn Industries Limited3544 Nashua Drive, Mississauga, Ontario L4V 1L2 Ph. 905-405-8272, Fax DDate: 12/13 Document No. BF-375 XLPatent No. 6, 513, 543, 7,784,483, & 7,905,250 Product No. Model 375 XLModel 375 XLReduced Pressure Principle AssemblyPage 1 of 2 Options(Suffixes can be combined)c - with full port QT ball valves (standard)c L - less ball valves, male pipe threadc S - with Model SXL lead-free bronze "Y" type strainer c SH - with stainless steel handlesc FT - with integral male 45 flare SAE test fittingc AG - with air gapc SAG - with Model SXL lead-free bronze "Y" strainer and air gapc BOF - with Blow out/Flush fittingc B - with black fusion epoxy coated ball valves & struts for theft protectionAccessoriesc Repair kitsc Thermal expansion tank (Mdl.)

2 XT)c Soft seated check valve (Mdl. 40XL2)c Shock arrester ( Model 1250XL)c QT-SET Quick Test Fitting Setc Blow out / Flush fitting (RK34-375 BOF (1/2" or 3/4"), RK1-375 BOF or RK114-350-375 BOF)CBDEAFFABGDECG(1/2 - 1 )( 1-1/4 - 2 )HGOPTIONAL LEAD-FREE STRAINER ( Model SXL) WILKINS XL WILKINS XL375 RP175 PSIG 180 F175 PSIG 180 F3/4" 375 RPZURNWILKINSA pplicationIdeal for use where Lead-Free* valves are required. Designed for installation on potable water lines to protect against both backsiphonage and backpressure of contaminated water into the potable water supply. Assembly shall provide protec-tion where a potential health hazard Compliance ASSE Listed 1013 IAPMO Listed CSA Certified AWWA compliant C511 Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California UL Classified (less shut-off valves only, 3/4"-2") C-UL Classified (less shut-off valves only, 3/4"-2") Certified to NSF/ANSI 372* by IAPMO R&T NSF Listed-Standard 61, Annex G**( MAX.

3 WEIGHTED AVERAGE LEAD CONTENT)MaterialsHousing Reinforced Nylon, FDA approvedFasteners Stainless Steel, 300 SeriesElastomers Silicone (FDA Approved) Buna Nitrile (FDA Approved)Internals Delrin, Nylon, NSF Listed Springs Stainless Steel, 300 seriesBall Valves Cast Bronze, ASTM B 584 Struts Forged Brass, ASTM B 124 FeaturesSizes: 1/2", 3/4", 1", 1-1/4", 1-1/2", 2" Maximum working water pressure 175 PSIM aximum working water temperature 180 FHydrostatic test pressure 350 PSIEnd connections Threaded FNPT ANSI & Weights (do not include pkg.) !""# $"##%"#% $& ' (# $"##%"#% ! $"##%"#% )* )* )* )* )* )* )* )* )* )* )* +,-*./+,-*./012234514226)1 )1 0061078906148020610756:5149402018:00:570 351425702018:008*52*06*52*7:182345142265 0140400061078906148020610756:5149402614: 20:570025902018:008*52*06*52*702600:1072 484514226201865201865:5107458032089107:5 380320::18:8906018:454*2:*59*58*80;018:2 08514:5408:14:75::1447::1447::18966:1808 723012620::1896048650401285304*54*623*69 *:0;0128306018:4508:14:75::1447::1447::1 8966:1808722669801200804:188572301860804 *:4*320*69*42630783708:14:75::1447::1447 ::18966:18087287038:18023*523:1862523:18 62509*84*42:*603*5 <=>?

4 @ABCDE?F>=GBHFI?@GJ=KKLCM=B=N?OPH?FQFlow CharacteristicsZurn Industries, LLC | Wilkins1747 Commerce Way, Paso Robles, CA 93446 Ph. 855-663-9876, Fax 805-238-5766In Canada | Zurn Industries Limited3544 Nashua Drive, Mississauga, Ontario L4V 1L2 Ph. 905-405-8272, Fax 2 of 2 RSTUVWXYZV[\[]^_\`_abcdeTdfTgRUcfhijklml knmmkmlmmlkmnmmnkmopqrstuvwxyz{|}~ ~ } Typical InstallationLocal codes shall govern installation requirements. To be installed in accordance with the manufacturers instructions and the latest edition of the Uniform Plumbing Code. Unless otherwise specified, the assembly shall be mounted at a minimum of 12 (305mm) and a maximum of 30 (762mm) above adequate drains with sufficient side clearance for test-ing and maintenance.]

5 The installation shall be made so that no part of the unit can be INSTALLATIONINDOOR INSTALLATIONS peci! cationsThe Reduced Pressure Principle Backflow Preventer shall be certified to NSF/ANSI 372, ASSE Listed 1013, rated to 180 F, and supplied with full port ball valves. The main body shall be Nylon and the seat disc elastomers shall be silicone. If installed indoors, the installation shall be supplied with an air gap adapter. The Reduced Pres-sure Principle Backflow Preventer shall be a ZURN WILKINS Model 375XL . INLET SHUT OFFDIRECTION OF FLOW30" " GAPOPTIONALWATER METER175 PSIG 180 F3/4" 375 RPZURNWILKINSFLOORDRAINMODEL 375 XLSAG (SHOWN)OPTIONAL LEAD-FREE STRAINER Model SXL WILKINS XL ! "#! $% &# % ! #" & & # !& & #&!!

6 &#!& "$!% &# & " $ 30" " DRAIN175 PSIG 180 FZURN / WILKINS375 OF FLOW2(1/2 - 1 ) 5 1/2(1-1/4 - 2 ) 8 1/8(1/2 - 1 ) 2 PIPE(1-1/4 - 2 ) 3 PIPE(DRAIN LINE CAN BE ANY STANDARDPIPING MATERIAL)'()*+,, ()2',, '()1+,, '().*,,-.()'*,,-201()'+.