Plumbing FAQs | Knight Plumbing LLC

What's the best way to prevent frozen water pipes during winter?
There are a few tricks for preventing frozen water lines. Make sure all garden hoses are disconnected & insulate any exposed pipes. During extreme cold events, leave faucets with a slow drip and open sink cabinet doors to allow more warmth into the cabinet.
My toilet is constantly running. What should I do?
A running toilet can be caused by a faulty flapper or misadjusted float. Check the seal on the flapper and adjust the float level to the proper position. If this does not stop the running, please consider giving us a call for further inspection.
Why does my water pressure seem low?
There are various things that can cause low water pressure, ranging from a bad PRV, partially closed valve, or even a clogged aerator or filter. Check that your main valves and stop valves are all fully open and clean any dirty aerators. Give us a call if you are still having issues after completing these tasks.
Why am I hearing strange noises coming from my tank-type water heater?
Sediment, malfunctioning heating elements, or even pressure issues can cause your water heater to make noises. If this problem persists, you should have this evaluated by a professional plumber. Give us a call :)
My water heater is leaking. What should I do?
Shut off the water supply to the heater. If your heater is electric, also unplug the unit. Contact Knight Plumbing immediately to assess the problem.
Why isn't my water getting very hot?
This can be caused by a buildup of sediment in the bottom of your tank-type heater, the temp setting on your gas valve, or a faulty thermostat on an electric heater. Check your temperature settings and let us know if you are still having a problem.
My toilet runs after I flush it. Why?
A running toilet can be caused by a bad flapper or fill valve. Either one of these can cause the water to continue to flow into the tank.
My bathtub water is not getting hot enough. What can I do?
Most often the temperature on a tub or shower is restricted to prevent scalding. Contact Knight Plumbing to make the proper adjustments.
Why am I seeing low water pressure in my bathroom?
Low pressure on a faucet could be a dirty aerator, clogged supply line, or cartridge issue. Try cleaning the aerator. Low pressure in the shower could be a cartridge issue or a clogged shower head. Let us know if you need help with this issue.
How do I prevent clogs in my kitchen sink?
The trash can should be your best friend! Avoid putting oil or grease, large food particles, or fibrous materials, like coffee grounds, down the sink drain. Use a sink strainer to catch waste and run hot water on a regular basis to help keep drains clear.
How do I unclog a garbage disposal?
1st, don't use any chemicals in your disposer! Use the manufacturer-supplied allen wrench to try to break free the jam. Once the blades are moving again, turn on the cold water and run the disposal for 15 seconds to clear.
Why am I seeing water under my kitchen sink?
You could have a leak from your shut-off valves, your garbage disposal, or your drainage components. Call Knight Plumbing to come out and find the source of the leak.
What's the best way to prevent frozen water pipes during winter?
There are a few tricks for preventing frozen water lines. Make sure all garden hoses are disconnected & insulate any exposed pipes. During extreme cold events, leave faucets with a slow drip and open sink cabinet doors to allow more warmth into the cabinet.
How do I thaw frozen pipes?
If your water supply pipe has already frozen, you can apply soft heat such as a blow dryer or heating pad. Start near the closest faucet or valve and work your way to the freeze point.
I have a burst pipe! What should I do?
Immediately turn off the water at your main valve to prevent more flooding. Open faucets to relieve pressure and water in the lines. You can try to catch the water in a bucket or towels and call Knight Plumbing immediately. A smart device can save you.
I smell gas in my house. What should I do?
If you notice a strong gas smell, exit the home immediately! Do not turn on lights, use an electronic device, or anything that could create a spark. Call your utility's emergency number from outside the home. They will come out and inspect for your safety and let you know what your next step should be.
Help! My toilet is overflowing!
First, locate the water supply valve—typically on the left side of your toilet—and turn it off. Do not flush the toilet again for now. You will likely need a drain clean to resolve this type of situation. Call a plumber for help on this one.
How do you detect hidden water leaks?
We use electronic listening devices and thermal imaging cameras to pinpoint leak locations without demolition, enabling targeted repairs that minimize property damage.
What causes water heaters to make noise?
Sediment buildup, faulty heating elements, or pressure issues typically cause tank noises. Professional diagnosis determines if repair or replacement provides better value.
When should I replace my water heater?
Systems over twelve years old showing frequent repairs, visible corrosion, or inadequate hot water supply typically warrant replacement over continued repair investments.
Why is my water pressure suddenly low?
Low pressure often results from clogged aerators, partially closed valves, or faulty pressure regulators. We check main valves and clean fixtures before addressing system issues.
Can you fix running toilets same-day?
Yes, most running toilet repairs involve replacing faulty flappers or fill valves. We carry common parts and typically restore normal function within one hour.
What areas do you serve around Denver?
We provide plumbing services throughout the Denver Metro including Littleton, Lakewood, Centennial, Arvada, Golden, Wheat Ridge, Englewood, and surrounding communities in Colorado.
How do gas line repairs ensure safety?
Gas line repairs follow strict protocols including system isolation, pressure testing, and final safety inspections using electronic leak detection equipment before restoring service.
Do smart water devices prevent flooding?
Smart shut-off valves and leak sensors provide 24/7 monitoring, automatically stopping water flow when leaks are detected to prevent extensive property damage and flooding.
What's included in faucet installation service?
Complete faucet installation includes removing old fixtures, installing mounting hardware, connecting supply lines, and testing flow rates to ensure optimal performance and no leaks.
How does water filtration improve home systems?
Water filtration removes chemicals, metals, and minerals that cause pipe corrosion and fixture damage, extending plumbing system life while improving water quality throughout your home.