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Experience That Shows

BAT LADY LLC

I work closely with our clients to explain the process of our services. I explain the safety and health concerns to the public drinking water that prompted the laws and the need for annual backflow testing.  

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Be sure to check out our FAQ's to find out more about backflow prevention assemblies.

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A Bit About Us

BAT LADY LLC is local company serving Gig Harbor, Bonney Lake, Graham, Tacoma, Puyallup and much more. Safety and health of the public drinking water is our number one goal. We strive to help you understand what a backflow prevention device is and why having your annual backflow testing done is so important to you, your family and more importantly your community. 

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Our Services

Inspecting, testing and monitoring of your backflow prevention assemblies is what we do. I have a specialty plumber certification to repair backflow assemblies on the inside of a building. I also perform repairs and replace the old worn out parts on backflow assemblies outside.


-Licensed, Bonded and Insured


-State of Washington Certification

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-Specialty Plumbers Certification

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-Accurate test results


-Excellent customer service


-Fast, friendly and on time


-Low cost to fit any budget


-Residential and commercial.

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-Owner Operated


-Call for pricing

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FAQ- 


What is a backflow assembly?


A backflow prevention assembly is a mechanical device intended to prevent the reverse flow of water or other substances from entering the potable drinking water system. 


There are four types of backflow assembly devices. The most commonly used are The Double Check Valve and Reduced Pressure Valves. Air Vacuum Breaker and Pressure Vacuum Breaker are the other backflow prevention assemblies but aren’t as commonly used.


Washington State Department of Health  (WAC 246-290-490) requires a backflow assembly device be installed when a cross connection occurs between irrigation water and the public drinking water. Other common places to find backflow assembly devices are on fire protection sprinkler systems and carbonated beverage machines.   

Why do backflow assemblies have to be tested?


Any backflow assembly can fail because of freezing, debris, improper installation or age. Backflow preventers are mechanical assemblies that have internal seals, springs and moving parts. Like everything else that is mechanical, the assemblies are subject to fouling, normal wear and fatigue.


Washington state law requires that a Certified Backflow Assembly Tester test backflow assemblies annually. This to ensure that the assemblies are working properly in case a backflow event should occur. Annual inspections are necessary in order to keep the public drinking water safe from possible contaminates. Only a Certified Backflow Assembly Tester using a properly calibrated gauge must test Backflow assemblies.


Where would a backflow assembly be if I had one? 


Backflow assemblies can be found in numerous places such as by the sidewalk close to your water meter, near the house where the main water supply comes in, or under your house near the main water supply. If installed incorrectly, assemblies cannot be properly identified or tested. Backflow assemblies can also be found near carbonated beverage machines and ice machines in restaurants, convenience stores, schools, hospitals and other places.

What do I need to do if I have a backflow assembly? 


Assemblies are required to be tested and inspected upon installation and annually after that to ensure that they are properly working.  The certified tester sends in the results of the test to your local water company.  


Can anybody test backflow assemblies? 


Only a Washington State Certified Backflow Assembly Tester can perform the required testing. This tester also has to be listed with your local water company along with a copy of their current Washington State Certification card and annual test kit calibration report. Some water companies even ask for a certificate of liability insurance. I encourage all my customers to verify whether the tester they are hiring is still certified and to verify they are insured if they are performing repairs.

  You can find current information on backflow testers at The State of Washington, The Department of Health and The Department of Labor Industries websites. You can also find addition information about the laws of backflow testing.     

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