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Q&A

Can you install a gas line without a permit?

Can you install a gas line without a permit?

With an approval you make the final connections and you’re set. Never attempt to do work on, or install gas piping without first checking with local code authorities and obtaining the proper permits. When you begin to install the gas piping, it does not mean connecting to the source of gas until it has been pressure tested and inspected.

How do you connect a new water line to an existing line?

The most common way to connect a new drain, vent, or supply line to an existing line is to install a tee fitting. To do so, shut off water to existing supply pipes and drain the lines. Flush all toilets and caution others not to use drains. After opening a drain line, make sure no one uses a sink or faucet that drains into it.

When to pressurize a new natural gas line?

You should pressurize your new line at least 24 hours before your inspection to be sure it’s holding air. If the line is not holding pressure you’ll need to spray a mix of water and dish soap on all the joints to find the leak and make the repairs. CAUTION: Always use compressed air to fill lines.

Do you need to cut out an inline valve?

Inline Valves. Replacing an inline valve can be more problematic that replacing one with only one connection to the water line, such as a toilet or faucet shut off. You usually need to cut an inline valve out of the water line, since it is either glued or soldered in place. It’s prudent to cut out several inches of the line on either side…

What to do if you have no water pressure?

1. Shut off the pump immediately. If your pump is running “dry” it may be damaged and might lead to a need for replacement. 2. Now diagnosing the reason for no water pressure can proceed. 3. While you’re waiting for your plumber, if you’ve left water off for 2-3 hours you can try turning the pump back on.

Where does the low pressure hose come from in an AC unit?

As indicated above, most leaks come from seals on the AC compressor, the evaporator, the drier or the condenser. In fact, when you look at the diagram above, you’ll see that on many AC systems, there are multiple low pressure hoses; connected from the compressor to the expansion valve and the expansion valve to the evaporator.

Why does my water pressure go down when I run a hose?

You may experience good water pressure at the spigot but once you run a hose from that spigot and try to fill a bucket or run a set of sprinklers then you’ll find that the flow cannot support your needs and pressure at the sprinkler head will be noticeably low.

What should the air pressure be in a closed hydronic system?

Good air removal is crucial to the proper operation of any closed system. It is generally accepted that if a minimum pressure of 4-5 psig is maintained at the top of a closed hydronic system, all of the above requirements will be met with the possible exception of cavitation in hot water control valves.