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Watts 61888 Backflow Preventer - 3/4" Brass Valve with Vent, FNPT x FNPT, 175 PSI Reviews

4.9 Rating 27 Reviews
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The WATTS 61888 backflow preventer combines precision-engineered dual check valve technology with atmospheric vent protection in a compact 3/4-inch brass body designed for continuous pressure applications up to 175 PSI.  This Model 9D series device provides reliable protection against both backsiphonage and backpressure conditions while maintaining optimal flow characteristics for residential and commercial water systems. Understanding the Critical Role of Backflow Prevention in Modern Plumbing In any water system, maintaining the integrity of the water supply is paramount. The potential for backflow—the undesirable reversal of fluid flow in a piping system—poses a significant threat to public health and safety. This is where a robust backflow prevention device becomes indispensable. The WATTS 61888, as a high-quality double check valve with an integrated vacuum breaker, offers a comprehensive solution to prevent contamination of drinking water sources. Understanding the nuances of backflow prevention is crucial for homeowners, contractors, and facility managers alike. A backflow preventer installed correctly acts as a critical safeguard, ensuring that potentially hazardous substances from non-potable sources do not enter the clean water supply. This is particularly important in systems that connect to external sources like irrigation systems, fire hoses, or industrial equipment, where the risk of contamination is higher. The primary function is to prevent backflow, thereby protecting the main water supply from pollutants such as chemicals, fertilizers, or even sewage. Without an effective backflow prevention system, the risk of widespread contamination is substantial. The design of the WATTS 61888, featuring dual check valves and an atmospheric vent, addresses multiple backflow scenarios. The dual check valves provide redundant protection against backsiphonage and backpressure, while the atmospheric vent acts as a vacuum breaker, automatically relieving negative pressure that could otherwise draw contaminants into the system. This combination makes it a versatile backflow preventer suitable for a wide range of applications, from residential plumbing to commercial and industrial settings. The inclusion of a relief valve mechanism within the vent ensures that it only operates when necessary, maintaining system efficiency under normal conditions. For many municipalities, regular backflow testing is a mandatory requirement to ensure these devices are functioning correctly. Locating a certified backflow tester near me or finding services for backflow inspection near me is a common task for property owners. The process of backflow inspection and subsequent backflow testing is vital for maintaining compliance and ensuring the continued safety of the water supply. Understanding the typical backflow testing cost can help in budgeting for this essential maintenance. Beyond standard backflow prevention, other specialized devices exist for specific needs. For instance, a backwater valve installation is crucial in areas prone to sewer backups, preventing sewage from entering a building's plumbing. While the WATTS 61888 is designed for potable

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“Works well, just make sure to not be a dummy like me and use pipe dope to seal the threads instead of teflon tape. The tape does NOT work well. the vent connector is 1/2"”
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Posted 9 years ago
“As described by seller.Good value for money, will buy again.”
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Posted 9 years ago
“Worked fine,”
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Posted 9 years ago
“Installation was easy with the union and it worked form the start without issues. Nice to have my 124 PSI water pressure reduced to 45 PSI.”
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Posted 9 years ago
“Easy to replace and a perfect fit for the old one. .”
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Posted 10 years ago
“quality”
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Posted 10 years ago
“This unit appears to be working very well. At first it seems to have a very slow drip leak, but that stopped. It was a little difficult to tighten for a rookie plumber, but it is doing the job nicely. I would buy it again and use Teflon Tape as I did in my installation.”
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Posted 10 years ago
“I installed one many (7+) years ago as required for a community well system, which is a good thing. Recently water flow caused it to give off a whining sound. It still back-checked but I replaced it since I had originally brought two to have a spare. Am happy to see it still available and am buying another to keep a back up since check valves don't normally last this long in a hard water environment. The soft seat material was still pliable and valve appears in good functional condition. If a new spare was not available I would take the old valve further apart to clean it for re-installation. Good product I hope it stays around for a while.”
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Posted 10 years ago