How To Look At A House
McGarry and Madsen's home inspection blog for buyers of
site-built, mobile/manufactured and modular homes
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?
• 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 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 of pipes were used in 1920s homes?
• What type of pipes were used in 1930s homes?
• What type of pipes were used in 1940s homes?
• 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's that powdery crust on the pipe connections at 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?
• 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?
• 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?
• 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?
• 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?
• 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?
• How close can a plumbing vent be to a window by code?
• Where do I shut off the refrigerator water line?
• Can I get insurance with PEX piping?
• Can PVC water pipe be used in a garage?
• Where do I turn off the water to the shower?
• What is the difference between PVC water pipe and PVC electrical conduit?
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