Mako Test Kit

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Backflow Test Tools

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Mako Assist App

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Mako Calibration by Arbiter

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Backflow Repair Tools

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(503) 847-4936

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Featured products by category

Mako Test Kits Backflow Test Tools Backflow Repair Tools
MK5 5-Valve Test Kit Only MK5 5-Valve Test Kit Only
Arbiter

MK5 5-Valve Test Kit Only

In stock
$979.99
MK3 3-Valve Test Kit Only MK3 3-Valve Test Kit Only
Arbiter

MK3 3-Valve Test Kit Only

In stock
$979.99
MK2 2-Valve Test Kit Only MK2 2-Valve Test Kit Only
Arbiter

MK2 2-Valve Test Kit Only

In stock
$979.99
Mako Calibration and Service with Certificate Mako Calibration and Service with Certificate
Arbiter

Mako Calibration and Service with Certificate

In stock
$159.99

Test Tools

We have the largest suite of tools to make backflow testing easier.  Get rid of all those little headaches you run into every day and get more assemblies tested with less effort.

TCAP0250 - TurboCaps 1/4 inch SAE flare caps x 1/4" NPT plugs 50 ct. TCAP0250 - TurboCaps 1/4 inch SAE flare caps x 1/4" NPT plugs 50 ct.
Arbiter

TCAP0250 - TurboCaps 1/4 inch SAE flare caps x 1/4" NPT plugs 50 ct.

In stock
$12.99
Single Backflow Testing Hoses Single Backflow Testing Hoses
Arbiter

Single Backflow Testing Hoses

In stock
$59.99
Select options
WV106. Wide Ball Valve Handle Wrench WV106. Wide Ball Valve Handle Wrench
Arbiter

WV106. Wide Ball Valve Handle Wrench

In stock
$29.99
Missing Handle Ball Valve Wrenches Missing Handle Ball Valve Wrenches
Arbiter

Missing Handle Ball Valve Wrenches

In stock
From $39.99
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MKSC20. Mako soft case 20-inch tool bag with hard bottom for backflow assembly testers MKSC20. Mako soft case 20-inch tool bag with hard bottom for backflow assembly testers
Arbiter

MKSC20. Mako soft case 20-inch tool bag with hard bottom for backflow assembly testers

In stock
$69.99
PV101. Plastic Ball Valve Wrench PV101. Plastic Ball Valve Wrench
Arbiter

PV101. Plastic Ball Valve Wrench

In stock
$99.99
BV101 + ST201XL Bundle. Bleed-Off Valve and Articulating Sight Tube Combo BV101 + ST201XL Bundle. Bleed-Off Valve and Articulating Sight Tube Combo
Arbiter

BV101 + ST201XL Bundle. Bleed-Off Valve and Articulating Sight Tube Combo

In stock
$139.99
Brass Quick Test Fittings Set of 9 with Holder Brass Quick Test Fittings Set of 9 with Holder
Arbiter

Brass Quick Test Fittings Set of 9 with Holder

In stock
From $199.99
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1/4" Brass Quick Test Fittings (set of 3) 1/4" Brass Quick Test Fittings (set of 3)
Arbiter

1/4" Brass Quick Test Fittings (set of 3)

In stock
$42.99
1/4" Aluminum Quick Test Fittings (set of 3) 1/4" Aluminum Quick Test Fittings (set of 3)
Arbiter

1/4" Aluminum Quick Test Fittings (set of 3)

In stock
$40.99
LFTC0250 - 1/4" male NPT x 1/4" SAE flare Lead-Free Brass Test Cock LFTC0250 - 1/4" male NPT x 1/4" SAE flare Lead-Free Brass Test Cock
Arbiter

LFTC0250 - 1/4" male NPT x 1/4" SAE flare Lead-Free Brass Test Cock

In stock
From $19.99
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Repair Tools

These tools make repairing and servicing backflow assemblies easier

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ARC3. Ames Clapper Retainer Clip Set of 3 for Ames 2000, 3000 & 4000 assemblies sizes 4", 6" & 8-10" ARC3. Ames Clapper Retainer Clip Set of 3 for Ames 2000, 3000 & 4000 assemblies sizes 4", 6" & 8-10"
Arbiter

ARC3. Ames Clapper Retainer Clip Set of 3 for Ames 2000, 3000 & 4000 assemblies sizes 4", 6" & 8-10"

In stock
$99.99
TC100. Test cock wrench for easily installing or uninstalling test cocks TC100. Test cock wrench for easily installing or uninstalling test cocks
Arbiter

TC100. Test cock wrench for easily installing or uninstalling test cocks

In stock
$19.99
WA105. Check removal tool for Ames 2000-5000ss 2 1/2" to 4" WA105. Check removal tool for Ames 2000-5000ss 2 1/2" to 4"
Arbiter

WA105. Check removal tool for Ames 2000-5000ss 2 1/2" to 4"

In stock
$99.99
WC105. Tool for removing check valve compression disc on Ames and Watts backflow prevention assemblies WC105. Tool for removing check valve compression disc on Ames and Watts backflow prevention assemblies
Arbiter

WC105. Tool for removing check valve compression disc on Ames and Watts backflow prevention assemblies

In stock
$169.99
Sale
WF106/WF107. Febco 765 bonnet wrenches WF106/WF107. Febco 765 bonnet wrenches
Arbiter

WF106/WF107. Febco 765 bonnet wrenches

In stock
$28.79
$47.99 $28.79
Select options
WS201. Wilkins 975XL, 950XL, & 950XLT check and relief valve wrench set. WS201. Wilkins 975XL, 950XL, & 950XLT check and relief valve wrench set.
Arbiter

WS201. Wilkins 975XL, 950XL, & 950XLT check and relief valve wrench set.

In stock
$149.99
WT107. Relief Valve Wrench for 4" to 10" Watts 909 & LF909 Assemblies WT107. Relief Valve Wrench for 4" to 10" Watts 909 & LF909 Assemblies
Arbiter

WT107. Relief Valve Wrench for 4" to 10" Watts 909 & LF909 Assemblies

In stock
$39.99
WW107. 1" Wilkins 375 Check Removal Tool WW107. 1" Wilkins 375 Check Removal Tool
Arbiter

WW107. 1" Wilkins 375 Check Removal Tool

In stock
$79.99

Get to Know the Mako

Arbiter

(artist's rendering of Arbiter HQ)

Arbiter

(artist's rendering of Arbiter HQ)

'Trainer to the Stars' Mac Merritt's Recommended Bundle

ArbiterMan 2026

See Mac Merritt's recommended group of Arbiter tools for new and re-certifying testers to get started with Mako.

The MK5 5-valve test kit anchors it all, and the stylish but rugged quick test fittings with holder install in a second.

The ST201 articulating sight tube and BV101 bleed off valve make certain you test by the book easily everytime.