# Backflow Inspector

> Certified backflow prevention testing, reporting, installation, repair, and
> replacement for commercial, industrial, institutional, and Part 3 residential
> properties across the Greater Toronto Area. We handle annual compliance
> end-to-end — testing, tagging, and filing results with the municipality.

Key facts:
- Business: Backflow Inspector (Richmond Hill, ON — serving the GTA)
- Phone: (647) 578-9903
- Credentials: OWWA-certified testers, Cross Connection Control Specialists (CCCS), NIST-traceable calibrated equipment, decades of plumbing experience
- Devices: Double Check Valve Assembly (DCVA) and Reduced Pressure Principle Assembly (RP/RPZ)
- Standard: devices selected per CSA B64.10; testing required annually (every 12 months)
- Service area: Toronto, Vaughan, Markham, Richmond Hill, Aurora, King City, Mississauga, Brampton, Bolton, Oshawa, Pickering, Oakville, Barrie

## Services
- [Annual Backflow Testing](https://backflowinspector.ca/backflow-testing): Certified DCVA & RP testing, digital reports, tagging, and submission to the City.
- [Backflow Installation](https://backflowinspector.ca/backflow-installation): Compliant RPZ and double check valve installation.
- [Repair & Replacement](https://backflowinspector.ca/backflow-repair-replacement): Repair or replace failed devices, retest, and re-file.
- [Cross-Connection Control Surveys](https://backflowinspector.ca/cross-connection-control): Identify and eliminate contamination risks.

## Compliance resources
- [Toronto Backflow Prevention Bylaw & Testing Requirements](https://backflowinspector.ca/toronto-backflow-prevention-bylaw): Who must comply, testing frequency, deadlines, enforcement.
- [Backflow Regulations by Town](https://backflowinspector.ca/ontario-backflow-regulations): Authority and bylaw for each GTA municipality.
- [FAQ](https://backflowinspector.ca/faq): Common questions on testing, DCVA vs RP, compliance.

## Key answers
- How often is backflow testing required? Every 12 months; each device tested individually; new/replaced devices tested immediately.
- Who must comply? Industrial, commercial, institutional, and Part 3 residential properties (Ontario Building Code), plus properties flagged by a cross-connection survey.
- DCVA vs RP? DCVA = basic protection (two check valves), low-risk. RP/RPZ = superior protection (added relief valve), high-hazard.

## Contact
- [Contact / Book a test](https://backflowinspector.ca/contact)
- [About](https://backflowinspector.ca/about)
- [Blog](https://backflowinspector.ca/blog)