Watts Water Technologies, Inc.

A plumbing shock arrestor, or water hammer arrestor, is a device that absorbs pressure spikes (shocks) in water pipes caused by fast-closing valves (like those in dishwashers or washing machines) to stop loud banging noises and prevent pipe damage like leaks or bursts . It works by using a sealed air chamber or piston that compresses to cushion the sudden pressure surge, stabilizing water flow for quieter, smoother operation and extending the life of plumbing fixtures and pipes.1234

A pressure reducing valve (PRV) automatically regulates high incoming water or steam pressure to a lower, safer, and consistent downstream level , protecting plumbing fixtures from damage. Installed on the main supply line, it uses a diaphragm and spring mechanism to adjust flow automatically. Common types include direct-acting and pilot-operated valves.12345

How it Works

• Mechanism: Inside, a diaphragm (a flexible membrane) works with an adjustable spring to manage a poppet valve or disc.
• Operation: High pressure enters, passes through a restricted opening (seat), and exits at a lower, controlled pressure.
• Adjustment: Turning a screw on top changes the spring tension, which adjusts the outlet pressure; clockwise increases it, counter-clockwise decreases it.12

Key Aspects and Considerations

• Optimal Pressure: Typically, PRVs are set to maintain a consistent downstream pressure around 50-60 PSI for homes, though some can be adjusted to ranges such as 25-75 PSI.
• Installation: Installed on the main water line, usually after the water meter. It is crucial to respect the flow arrow on the valve body.
• Limitations: PRVs generally have a maximum reduction ratio of 10:1.
• Common Problems: A failing PRV may cause high pressure (>80 PSI), resulting in noisy pipes or leaking, or low pressure due to a faulty, clogged, or improperly adjusted valve.
• Maintenance: Regularly check the pressure with a gauge, especially if symptoms of high/low pressure appear, to determine if adjustment or replacement is needed.1234567

Types of Pressure Reducing Valves

• Direct-Acting: The most common type for smaller, residential applications.
• Pilot-Operated: Often used for higher-demand commercial or industrial applications requiring higher precision.
• Materials: Common materials include bronze, brass, or stainless steel for the body, with rubber diaphragms.1234

"2000 SS" most commonly refers to the 2000 Chevrolet Camaro SS , a popular muscle car from the end of the fourth generation, known for its LS1 engine and performance. It can also refer to the Ames 2000SS , a stainless steel double-check valve for backflow prevention, or various other industrial/technical products using that model number, like Striem's oil/water separator.12345

Chevrolet Camaro SS (2000)

A water pressure reducer valve (PRV) automatically lowers high, inconsistent municipal water pressure to a safe, consistent level (around 50-60 PSI) for homes , protecting pipes and appliances from damage, reducing water waste, and controlling flow, typically installed where water enters the house after the meter, using a spring-loaded diaphragm to regulate pressure by adjusting a valve opening.12345

How it works