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IS-TK-9A

The Watts No. TK-9 Model “A” Backflow Preventer Test Kit is a 

compact portable testing device made for testing all Reduced 

Pressure Zone Backflow Prevention Assemblies and Double 

Check Valve Assemblies. The TK-9A is easily connected to 

any RPZ device enabling accurate testing of 

zone

 differential 

pressure, relief valve opening differential, fouled check valves or 

similar problems that visual inspections cannot locate. The unit 

is supplied with a rugged carrying case for easy handling and 

accessibility.

Specifications

• Maximum working pressure – 175 psi (12.1 bar).
• Maximum working temperature – 210°F (99°C).
• Gauge - 4

1

2

" diameter face dual scale 0 – 15 psid and  

   0-1 kg/cm2, ±2% accuracy full scale.
• Test Valves – (2) ball valves and (1) needle valve.
• Hoses – (3) 3' with female threaded swivel couplings.
• Adaptors –  (3) 

1

4

" threaded coupling adaptors 

(3) 

1

2

" x 

1

4

" bushings 

(3) 

3

4

" x 

1

4

" bushings

• 1 – 16" securing strap.
• 1 – Moisture resistant instruction guide.
•  Case – light weight, shock resistant molded plastic with  

foam inserts.

WARNING:

 This product contains chemicals known to the 

State of California to cause cancer and birth defects or 

other reproductive harm.

For more information: www.watts.com/prop65

Instructions 
Watts TK-9A

Backflow Preventer Test Kit

WARNING

!

Read this Manual BEFORE using this equipment.
Failure to read and follow all safety and use information 

can result in death, serious personal injury, property 

damage, or damage to the equipment.
Keep this Manual for future reference.

Summary of Contents for TK-9A

Page 1: ...ce dual scale 0 15 psid and 0 1 kg cm2 2 accuracy full scale Test Valves 2 ball valves and 1 needle valve Hoses 3 3 with female threaded swivel couplings Adaptors 3 1 4 threaded coupling adaptors 3 1 2 x 1 4 bushings 3 3 4 x 1 4 bushings 1 16 securing strap 1 Moisture resistant instruction guide Case light weight shock resistant molded plastic with foam inserts WARNING This product contains chemic...

Page 2: ...e to Test No 2 by closing test cock 2 The indicated pressure differential will decrease slightly If pressure differential continues to decrease approaching zero shutoff 2 is reported to be leaking Test No 3 Purpose To test Check Valve No 1 for tightness Requirements Valve must be tight against reverse flow under all pressure differentials Close high valve A and open test cock 2 Close test cock 4 D...

Page 3: ...re Differential Relief Valve Pressure Differential Relief Valve Pressure Differential Relief Valve Gate Valve Shutoff No 1 Gate Valve Shutoff No 2 Test cock No 3 Test cock No 4 Test cock No 1 Test cock No 2 Air Vent Test cock No 3 Test cock No 4 Shutoff No 1 Test cock No 2 Shutoff No 2 Test cock No 1 Series 009 LF009 Reduced Pressure Zone Backflow Preventer 1 4 to 2 Series 909 LF909 Reduced Pressu...

Page 4: ...est Cock No 4 Test Cock No 1 Test Cock No 2 709NRS Shown 1 007 shown IS TK 9A 1323 EDP 0834222 2013 Watts USA Tel 978 688 1811 Fax 978 794 1848 www watts com Canada Tel 905 332 4090 Fax 905 332 7068 www watts ca Limited Warranty Watts Regulator Co the Company warrants each product to be free from defects in material and workmanship under normal usage for a period of one year from the date of origi...

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