# Backflow testers in ON, Canada

Compare backflow testers in ON. Ask your utility which credentials it accepts.

10 backflow testers. Also on the [web page](https://backflowtesters.fyi/ca/on).

## Backflow testers

1. [Bruce Maly Plumbing & Drain Services](https://backflowtesters.fyi/ca/on/peterborough/bruce-maly-plumbing-and-drain-services.md), Backflow repair, 840 Aylmer St N, Peterborough: Bruce Maly Plumbing & Drain Services appears on the City of Peterborough — Cross Connection Registered Testers register (Registered certified backflow…
2. [Caldwell Plumbing](https://backflowtesters.fyi/ca/on/pickering/caldwell-plumbing.md), Backflow repair, 1885 Clements Road, Unit 270, Pickering: Caldwell Plumbing appears on the City of Peterborough — Cross Connection Registered Testers register (Registered certified backflow prevention device tester),…
3. [Caledon Creek Mechanical Ltd](https://backflowtesters.fyi/ca/on/orangeville/caledon-creek-mechanical-ltd.md), Backflow repair, 78 Centennial Rd Unit 10, Orangeville: Caledon Creek Mechanical Ltd appears on the City of Peterborough — Cross Connection Registered Testers register (Registered certified backflow prevention…
4. [Fransky Mechanical](https://backflowtesters.fyi/ca/on/peterborough/fransky-mechanical.md), Backflow repair, 889 Armour Rd, Peterborough: Fransky Mechanical appears on the City of Peterborough — Cross Connection Registered Testers register (Registered certified backflow prevention device tester),…
5. [Go Tap Plus](https://backflowtesters.fyi/ca/on/mississauga/go-tap-plus.md), Backflow repair, 335 Watline Ave, Mississauga: Go Tap Plus appears on the City of Peterborough — Cross Connection Registered Testers register (Registered certified backflow prevention device tester), with…
6. [Gravity Plumbing and Heating](https://backflowtesters.fyi/ca/on/lindsay/gravity-plumbing-and-heating.md), Backflow repair, 196 St.David Street, Lindsay: Gravity Plumbing and Heating appears on the City of Peterborough — Cross Connection Registered Testers register (Registered certified backflow prevention…
7. [Lakeland MultiTrade](https://backflowtesters.fyi/ca/on/cobourg/lakeland-multitrade.md), Backflow repair, Cobourg: Lakeland MultiTrade appears on the City of Peterborough — Cross Connection Registered Testers register (Registered certified backflow prevention device…
8. [Nor-Line Plumbing & Mechanical](https://backflowtesters.fyi/ca/on/richmond-hill/nor-line-plumbing-and-mechanical.md), Backflow repair, Richmond Hill: Nor-Line Plumbing & Mechanical appears on the City of Peterborough — Cross Connection Registered Testers register (Registered certified backflow prevention…
9. [Onyx Fire Protection](https://backflowtesters.fyi/ca/on/etobicoke/onyx-fire-protection.md), Fire line backflow testing, Etobicoke: Onyx Fire Protection appears on the City of Peterborough — Cross Connection Registered Testers register (Registered certified backflow prevention device…
10. [ProActive water Solutions Inc.](https://backflowtesters.fyi/ca/on/concord/proactive-water-solutions-inc.md), Backflow installation, Concord: ProActive water Solutions Inc. appears on the City of Owen Sound — Qualified Contractors for Testing Backflows register, with an address in Concord, ON.…

## Cities in ON

- [Peterborough](https://backflowtesters.fyi/ca/on/peterborough.md): 2 backflow testers
- [Cobourg](https://backflowtesters.fyi/ca/on/cobourg.md): 1 backflow tester
- [Concord](https://backflowtesters.fyi/ca/on/concord.md): 1 backflow tester
- [Etobicoke](https://backflowtesters.fyi/ca/on/etobicoke.md): 1 backflow tester
- [Lindsay](https://backflowtesters.fyi/ca/on/lindsay.md): 1 backflow tester
- [Mississauga](https://backflowtesters.fyi/ca/on/mississauga.md): 1 backflow tester
- [Orangeville](https://backflowtesters.fyi/ca/on/orangeville.md): 1 backflow tester
- [Pickering](https://backflowtesters.fyi/ca/on/pickering.md): 1 backflow tester
- [Richmond Hill](https://backflowtesters.fyi/ca/on/richmond-hill.md): 1 backflow tester

## Categories in ON

- [Backflow installation](https://backflowtesters.fyi/category/backflow-installation.md)
- [Backflow repair](https://backflowtesters.fyi/category/backflow-repair.md)
- [Fire line backflow testing](https://backflowtesters.fyi/category/fire-line-backflow-testing.md)

## Other provinces in Canada

- [SK](https://backflowtesters.fyi/ca/sk.md): 8 backflow testers
- [NB](https://backflowtesters.fyi/ca/nb.md): 2 backflow testers