The thicknesses of the water pipe and tube walls can vary. Pipe wall thickness is denoted by various schedules or for large bore polyethylene pipe in the UK by the Standard Dimension Ratio (SDR), defined as the ratio of the pipe diameter to its wall thickness. Pipe wall thickness increases with schedule, and is available in schedules 20, 40, 80, and higher in special cases. The schedule is largely determined by the operating pressure of the system, with higher pressures commanding greater thickness. Copper tubing is available in four wall thicknesses: type DWV (thinnest wall; only allowed as drain pipe per UPC), type 'M' (thin; typically only allowed as drain pipe by IPC code), type 'L' (thicker, standard duty for water lines and water service), and type 'K' (thickest, typically used underground between the main and the meter). Because piping and tubing are commodities, having a greater wall thickness implies higher initial cost. Thicker walled pipe generally implies greater durability and higher pressure tolerances.

The ApolloPEX Stainless Steel PEX 1-Hand Pinch Clamp The ApolloPEX Stainless Steel PEX 1-Hand Pinch Clamp Tool provides extreme versatility. It is designed for the creating secure stainless steel pinch clamp connections in combination with PEX barb fittings within PEX piping systems in sizes ranging from 3/8 in. to 1 in. The ApolloPEX Stainless Steel PEX 1-Hand Pinch ...  More + Product Details Close
Ryan arrived right on time and was very cordial and friendly. He got right to work and provided me a very thorough description of the things that needed attention, and subsequently provided pricing for each of the requested service options and the extras that were also identified. He really did a great job and we were extremely satisfied. I recommended your company to a friend yesterday, and will definitely continue to use and recommend your company for future plumbing needs!Bravo Zulu Ryan.
Outstanding, friendly, reasonably priced, and professional work! Atomic Plumbing provided excellent service from the timely response, to my call to updates prior to their arrival time, to the actual work conducted on site. They provided me with options and didn't try and strong arm us into service we didn't need. They stayed with us until we could verify the service was complete (and the toilet didn't back up again) and ensured we had peace of mind about the work that was done before they left. I asked for additional service to be completed on the upstairs bathroom shower and the technician, James M., provided an initial assessment for free and gave me options. Once I determined it was going to need his expertise, he quickly and efficiently got to work and fixed that problem too. They were military friendly and provided me a 10% discount which for a family of five on a single income, every little bit helps! I would STRONGLY recommend Atomic over the other guys any day of the week! Thank you Atomic! -Nick R.
Justin and Paul were extremely polite. They worked as quickly as they could and got my hot water heater replaced. I have two dogs that are a handful, and they learned their names and talked to them to help keep them calm, which meant a lot to me. I felt comfortable having them in my home. The customer service at the company was great as well, very helpful on the phone. I would recommend them.
The thicknesses of the water pipe and tube walls can vary. Pipe wall thickness is denoted by various schedules or for large bore polyethylene pipe in the UK by the Standard Dimension Ratio (SDR), defined as the ratio of the pipe diameter to its wall thickness. Pipe wall thickness increases with schedule, and is available in schedules 20, 40, 80, and higher in special cases. The schedule is largely determined by the operating pressure of the system, with higher pressures commanding greater thickness. Copper tubing is available in four wall thicknesses: type DWV (thinnest wall; only allowed as drain pipe per UPC), type 'M' (thin; typically only allowed as drain pipe by IPC code), type 'L' (thicker, standard duty for water lines and water service), and type 'K' (thickest, typically used underground between the main and the meter). Because piping and tubing are commodities, having a greater wall thickness implies higher initial cost. Thicker walled pipe generally implies greater durability and higher pressure tolerances.
When you need honest, reliable plumbing, heating, or cooling services in Northern Virginia, suburban Maryland, or throughout the D.C. area, look no further than My Plumber Heating and Cooling! We’re proud to be the region’s number one choice for home comfort since 1982. Whether you’re dealing with a broken air conditioner, outdated heating system, backed-up drain, or burst pipe, our highly trained team is ready to help. We offer everything from emergency plumbing repairs to new heating and air conditioning system installation to indoor air quality services and more. Most of all, we stand behind everything we do with extensive warranties and our 100% customer satisfaction guarantee. At My Plumber Heating and Cooling, your comfort is our priority! We have three convenient locations in Manassas, Fairfax, and Fredericksburg so that you don't have to wait to get the help you need.

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