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Backflow Direct Repair Videos

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1.) 2" - 4" Deringer 20 Maintenance Instructional Video

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2.) 2" - 4" Deringer 30 Maintenance Instructional Video

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3.) 2" - 4" Deringer 40 Maintenance Instructional Video

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4.) 2" - 4" Deringer 50 Maintenance Instructional Video

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5.) 2" - 4" Air Gap Assembly Instructional Video

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6.) 6" - 8" Deringer 20(X) Maintenance Instructional Video

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7.) 6" - 8" Deringer 30 (X) Maintenance Instructional Video

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8.) 6" - 8" Deringer 40(X) Maintenance Instructional Video

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9.) 6" - 8" Deringer 50(X) Maintenance Instructional Video

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10.) 2" - 8" Shut Off Valve Maintenance Instructional Video

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