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.

A commercial plumbing system is going to see a level of use and present certain challenges that a residential system won't. That is why it is so necessary that you schedule your commercial plumbing services with qualified professionals well-versed in the installation and servicing of this particular type of equipment. When you work with the commercial plumbers in our employ, you can count on your systems to be properly sized for your needs, your water heater running reliably, and that your plumbing system in general will satisfy your requirements. Give us a call to learn more about all that our commercial plumbing professionals can do for you.
It only seems right to put cleaning supplies, like sponges, rags and liquids, under the sink, but plumbers say NO to this. Besides just being in the way, they can cause trap leaks. Drain traps, which are the curved pipes under the sink, are meant to keep sewer gases from entering your home, while also allowing waste water to pass. Blocking them off with clutter ups the risk of your cleaning products and trash can bumping into the pipes and dislodging them. Don’t feel bad if you’ve made a plumping mistake. Here are 36 almost unbelievable plumbing and electrical goofs.
Those who attempted to bring plumbing indoors faced technical as well as attitudinal challenges. Decisions on how wastewater was removed required as much concern as those made to ensure an adequate water supply. But equally vexing was the prevailing miasma theory of disease, which held that illnesses stemmed from "bad air" that was readily identifiable by its offensive odor. This led to a distrust of early indoor plumbing that tended to leak and a deadly fear of the sewer gas that accompanied the leaks. It is no wonder then that many individuals maintained a strong belief that elimination was best taken care of out of doors.

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