PLUMBING PIPES

Sunday, October 21, 2018

Here’s links to a collection of our blog posts about PLUMBING PIPES:

Is black iron gas pipe code approved for exterior (outdoor) installation?

How can I protect my pipes to keep them from bursting during a hard winter freeze in North Florida?

Can galvanized steel pipe still be used for new water lines in a house? 

How can I tell if I have cast iron pipes in my house? 

Is it alright to have a shut-off valve on both the hot and cold water pipes at a water heater?

Why can't a sanitary tee be used for a horizontal-to-horizontal drain pipe connection? 

Is a washing machine drain hose required to be secured at the standpipe?

What are the abandoned pipes sticking out of the wall in my house?  

Why is it a problem when a trap under a sink is installed backwards? 

What are the code requirements for plumbing vent terminations?

What are the code requirements for layout of drain piping under sinks?

What causes a gurgling sound when a bathtub or sink drains? 

What is the difference between green and white sewer drain pipes?

How can I tell the difference between Corrugated Stainless Steel Tubing (CSST) and a Flexible Appliance Connector (FAC)?

What is a "combination waste and vent" in a plumbing system? 

Does a "QEST" brand mark on pipe mean that it is polbutylene (PB)?

What is a building trap?  

What is a galvanized nipple?

What are the pipes sticking out near my water valves?

Can PEX pipe be installed outside?  

 Is PEX pipe freeze resistant?

How do you accurately find a broken water pipe leak under the floor slab?

What is the difference between water pipe and sewage (waste) pipe? 

What is the average life expectancy of PEX pipe? 

What type of water supply and drain (DWV) pipes were commonly used in older houses?

What type water supply and drain (DWV) pipes were commonly used for 1950s residential plumbing?

What type water supply and drain (DWV) pipes were commonly used for 1960s residential plumbing? 

What type water supply and drain (DWV) pipes were commonly used for 1970s residential plumbing? 

What type water supply and drain (DWV) pipes were commonly used for 1980s residential plumbing?

What type water supply and drain (DWV) pipes were commonly used for 1990s residential plumbing? 

• What type of water supply and drain (DWV) pipes were commonly used in the 2000s? 

• What type of water supply and drain (DWV) pipes are commonly used today?

What is the average life expectancy of galvanized steel pipe? 

What is the average life expectancy of cast iron pipe?

 Are plastic pipes (PVC, CPVC, and PEX) safe for drinking water? 

What do the ABS, PVC, CPVC, PB, and PEX plumbing pipe names mean?

Is a hot water faucet handle required to be on the left? 

Why is sunlight exposure bad for PVC pipe?

What is the average life expectancy of PVC pipe? 

Why can't PVC be used for water pipe inside a house?

What is the average life expectancy of copper pipe? 

What is a dielectric union? 

What's that powdery crust on the pipe connections at the water heater? 

What are the black metal things marked GMX800 that are clamped around the hot and cold pipes above the water heater?

Can I make a trap under the sink from straight pipe and 90º elbows?  

What type of white plastic pipe has the marking CP-112-P in red letters? 

If all the plumbing drains have water in them and you can still smell sewer gas, what's causing the problem?  

How can I tell what type of plumbing pipe I have?

Why is there a flexible accordion pipe under the sink? 

What is the difference between PVC and ABS plumbing pipe?  

• What is the average life expectancy of ABS pipe

What is the difference between water service pipe and water supply pipe? 

What are the pipes on my roof? 

What is an "S-Trap" under my sink? Why is it a problem? 

What is a P-trap? 

Why is old galvanized steel water pipe a problem for homebuyers?

What does polybutylene pipe look like? Why is it a problem? 

• Which water pipes are an insurance problem and possibly uninsurable?

• Can PVC pipe be used for indoor plumbing? 

• Should I buy a house with galvanized steel water pipes?

• Can you connect CPVC pipe directly to a gas water heater?   

• Should I use a dielectric union or brass nipple to connect copper tubing and galvanized steel pipe?

• What problems are caused by connecting copper pipe/tubing directly to galvanized steel pipe? 

• Is pipe insulation flammable?

• What does the Aqua-Rex Water Conditioner do? 

Why is some PVC pipe black?

What are the requirements for installing a gas appliance connector? 

• Why is Orangeburg sewer pipe a problem and how do I know if I have it? 

• What is the average life expectancy of Orangeburg (bituminous fiber) pipe? 

• What is plumbing venting? When was it first required for plumbing drain systems? 

• Can gas piping be installed in a supply or return duct or plenum? 

Does a home inspector check and test shut-off valves? 

 Will a sprinkler system work without a vacuum breaker (backflow preventer)? 

What devices are code approved for backflow prevention at a sprinkler (lawn irrigation) system? 

• How can I find out what type of water pipe runs underground from the water meter to the house (service pipe)? 

 Where do I find the main water shut-off valve for my condominium? 

• Does code require water pipes in the attic to be insulated? 

• Does code require water pipes in a crawl space to be insulated? 

What are the pros and cons of steel versus PVC for well construction? 

• Can a drain pipe have too much slope? 

What is the minimum and maximum slope of the trap arm of a plumbing drain? 

• What is the small pipe on the side of the house that is dripping water? 

• When was polybutylene pipe banned? 

What types of pipes are used in mobile homes? 

• Why is some PVC pipe black? 

• When should I replace my galvanized steel pipes?

When did they stop using cast iron pipe in houses? 

• When did they stop using copper pipe in houses? 

• Do you have to disclose polybutylene pipes to a homebuyer? 

• Does increasing water pipe size increase water pressure? 

• How far away do plumbing pipes have to be from an electrical panel? 

• Where do you connect the drain line from a reverse osmosis system under a kitchen sink? 

 Is a sink or toilet shut-off valve behind an access panel approved by code? 

• What is the maximum number of slip joints allowed by code under a sink? 

• Can a slip joint pipe connection be concealed in a wall? 

• Can PEX pipe be connected to a water heater? 

Is an escutcheon plate required by code for safety?

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