Simplex Grinnell, Maumee, OH: Backflow Testing

Approvals

✓ On the Northwestern Water and Sewer District list Phone matches its Google profile

Northwestern Water and Sewer District certified backflow testers, as of October 7, 2026. Being on this list means the utility lets the company file backflow test reports in its water system; it is not a state license.

Ask for the certificate number of the tester who will do your test, and check that your own water utility accepts reports from this company.

Call (419) 861-0603 Visit website More testers in Ohio

Price reports

What a backflow test costs in Maumee

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Published prices nationwide

$29.99 to $100 per assembly

$0$25$50$75$100$125

Based on 14 published prices · Read Oct 2026 Prices testing businesses list on their own websites, from our cost guide. Listed prices, not what people paid.

Every published price, with its source: what a backflow test costs.

Failed test? Published repair, rebuild and replacement prices: what a backflow repair or replacement costs.

Where you will find Simplex Grinnell

These are the city pages close enough for this business to appear on.

Maumee, OH(under 1 mi)
Perrysburg, OH(4 mi)
Toledo, OH(11 mi)
Fremont, OH(33 mi)
Findlay, OH(36 mi)
Ann Arbor, MI(46 mi)

Other backflow testers nearby

Business	Services	Distance
Merit Plumbing	Backflow Testing	under 1 mi
Ott Plumbing Inc.	Backflow Testing	3 mi
Restoration Mechanical	Backflow Testing	4 mi
Positive Trades Group, LLC	Backflow Testing	4 mi
JL Mechanical Services	Backflow Testing	4 mi
Perrysburg Plumbing & Heating & Air Conditioning	Backflow Testing	5 mi

Questions about Simplex Grinnell

Is Simplex Grinnell approved to test backflow assemblies?

Simplex Grinnell is on the Northwestern Water and Sewer District list, as of October 7, 2026. That means the utility lets the company file backflow test reports in its system; it is not a state license. Ask for the tester's certificate number before the test.

What does Simplex Grinnell do?

Their listing covers backflow testing. Call to confirm the service you need, because offerings change.

What areas does Simplex Grinnell serve?

They are based in Maumee, Ohio, within driving distance of Maumee, Perrysburg, Toledo, Fremont, Findlay. Service areas are set by the business, so confirm yours when you call.

How do I reach Simplex Grinnell?

Call (419) 861-0603. Their website is linked on this page.

Compiled from public records and public business information. Not an endorsement. Check licensing before you hire.

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