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Five Plumbing Problems to Look Out for When Buying a House

When searching for a new home, aggravating plumbing problems often can be overlooked. While some plumbing flaws can be an easy fix, others can lead to serious damage and major financial woes if they aren’t addressed. Before signing on that dotted line, Redfin offers five issues to look for that could be lurking behind the walls.

Aging water heater

Water heaters are inexpensive to replace, often costing anywhere from $600 to $2,000. Before buying a home, consider the current state of its hot water tank. A water heater lasts about 10 years. A professional can tell how old it is based on model and serial number, but corrosion, dampness and a lack of hot water are all signs that a water heater is approaching the end of its life. If left too long, the bottom of a water heater can give out and cause flooding. It’s also important to look at where the water heater is situated. If it leaks, could it ruin the surrounding carpet, hardwood floor or furniture?

 Leaky toilets

If a toilet is constantly running, it could mean that a chain or flapper needs to be replaced—or it could be a sign of a bigger problem. If the toilet is not draining properly, it can lead to leaks. Toilets can leak from the bottom or from the tank. Water is a universal solvent, so it eventually wears down seals and gaskets. To determine if the toilet is in good condition, look for any damage in the surrounding area. Check for any nearby discoloration. If the floor feels soft or if the bowl wiggles in place when you move it, ask the homeowner why. A leaking toilet can rot through your floor. To avoid this type of damage, seals and gaskets should periodically be professionally replaced.

 Outdated sewage system

When considering a home’s plumbing situation, you must determine the type of sewage system. Generally, the sewer will exit the home at the lowest point of the house. If it’s a city or county system, it will run out to the street or a city main. If it’s septic, it will run into a tank or field. If the home has a septic tank, find out where it’s located. Look around that space for water, seepage or unpleasant smells—all of which are warning signs. If the sewage system has a main line, it’s best to call a professional plumber to conduct a video inspection to analyze its condition. Sewage lines can be clogged or damaged from nearby tree roots, and old/deteriorating lines can collapse—allowing sewage to back up into your home.

Clogged drains

If overlooked, clogged drains can lead to serious leaks. To check a drain, turn on the faucet and let it run for two or three minutes. It should drain fast—and continue to drain for the entire duration. If the kitchen has a disposal, make sure that also runs smoothly. Take it one step further and look under the sink for leaks, water damage or mold (which can cause health problems). While you’re down there, note whether or not the drain line or disposal has been painted. This can be a sign that the previous owners are covering up a dated system.

 Poorly installed water pipes

Leaky pipes can lead to serious water damage. To know where a home stands, look for the warning signs, such as pinhole leaks, corroded joints and warn piping. If the supply pipes are galvanized, then they are going to be dated and will also need to be replaced. If you notice a restricted flow coming from the home’s drains, there’s a good chance the pipes aren’t big enough. Water pipes should be at least three-fourth of an inch at the main water source, and at least half an inch in all other areas. Pipes also should be properly insulated. Not only will this save you money in the long run (since you’ll be conserving water), but it’ll keep them from freezing or bursting.