Free ASSE 5110 Exam Prep
ASSE 5110 Backflow Prevention Assembly Tester
Prepare for the ASSE 5110 exam without spending hundreds on expensive prep courses. Free study guides, practice questions, flashcards, and related exam resources.
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Hydraulics and Backflow TheoryYou are here
Backpressure, backsiphonage, atmospheric pressure, and how pressure differentials drive backflow.
Assembly Operation and Components
Internal parts of RP, DC, PVB, and SVB assemblies and how each shutoff and check valve functions.
Field Test Procedures
Step-by-step USC FCCCHR test procedures for RP, DC, PVB, and SVB using a differential pressure gauge.
Installation, Codes, and Inspection
Orientation, drainage, clearance, freeze protection, and the ASSE Series 5000, USC Manual, AWWA M14, and EPA 816-R-03-002 references.
Can You Take the ASSE 5110 Exam?
Check if you meet the basic eligibility requirements
- •Pass the 100-question written exam at 70% or higher.
- •Demonstrate the field test procedure for RP, DC, PVB, and SVB assemblies on a hands-on practical.
- •Recertify every 3 years through an ASSE-approved recertification class and exam.
ASSE 5110 Quick Facts
Time to Get Licensed
3-6 weeks for most candidates (40-hour course plus self-study)
From start to license in hand
Retake Policy
Retake policy is set by the ASSE-approved training provider; most require additional study and a new written or practical exam as needed.
Total Cost Breakdown
Free ASSE 5110 Prep Tools
Reported exam pass rate: ASSE International does not publish a public first-time pass rate for 5110.. Check the exam sponsor for the latest official figure.
100 Practice Questions
Covers field test procedures, assembly operation, installation, and code references.
Procedure-Focused Explanations
Explanations walk through each test step and the reason behind it, not just the right answer.
2026 Current
Aligned with the ASSE/IAPMO/ANSI Series 5000 standard and USC 10th Edition field test procedures.
Free 5110 Prep
Practice before paying for an ASSE-approved 40-hour course and exam.
What You'll Study
12 chapters covering the exam topics in this guide
Introduction & Exam Overview
3 sections
Hydraulics Fundamentals
3 sections
Backpressure, Backsiphonage & Differentials
4 sections
Cross-Connection Recognition
3 sections
RP and DC Assemblies
4 sections
PVB, SVB & Detector Assemblies
4 sections
Test Equipment & Calibration
4 sections
RP & DC Field Test Procedures
4 sections
PVB/SVB Tests & Practical Sequence
4 sections
Installation Requirements & Inspection
4 sections
Codes, Standards & Manuals
4 sections
Reporting, Boundaries & Exam Prep
4 sections
ASSE 5110 Exam Details
ASSE 5110 Backflow Prevention Assembly Tester
Administered by ASSE International (IAPMO)
Exam Content Breakdown
Based on the official ASSE International (IAPMO) content outline
Backpressure, backsiphonage, atmospheric pressure, velocity head, and how pressure differentials drive backflow.
Internal parts and operation of RP (ASSE 1013), DC (ASSE 1015), PVB (ASSE 1020), SVB (ASSE 1056), RPDA (ASSE 1047), and DCDA (ASSE 1048) assemblies.
Step-by-step USC FCCCHR and ASSE field test procedures for RP, DC, PVB, and SVB assemblies using a differential pressure gauge.
Three- and five-valve differential pressure gauges, hose connections, calibration intervals, and field accuracy verification.
Orientation, clearance, drainage, freeze protection, thermal expansion, and pre-test visual inspection.
ASSE/IAPMO/ANSI Series 5000 and 1000 device standards, USC Manual 10th Edition, AWWA M14, EPA 816-R-03-002, and the SDWA.
Common health and non-health hazards a tester encounters in the field and the correct assembly for each.
What's Included
12 Chapters
Complete exam coverage
Practice Quizzes
With detailed explanations
Free to Start
No credit card required
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What's Next After the ASSE 5110?
After passing the ASSE 5110, you can pursue these career paths
ASSE 5120 Cross-Connection Control Surveyor
Next step for testers who want to perform facility surveys, classify hazards, and specify the correct assembly.
ASSE 5130 Backflow Prevention Assembly Repairer
Adds the qualification to rebuild and troubleshoot the assemblies a tester inspects.
ASSE 5150 Backflow Prevention Program Administrator
Career path for testers who move into managing a public or private cross-connection control program.
ASSE 5110 Exam FAQ
Official ASSE International (IAPMO) Resources
Verify information with these official sources
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