Swell Guy Plumbing Co
Lowcountry Main Water & Fixture Shut-Off Valve Replacement
Frozen, leaking, or missing shut-off valves? Swell Guy Plumbing brings 25+ years of trade experience to replace main house valves, under-sink supply stops, and washing machine valves across Goose Creek, Hanahan, Summerville, and beyond.
Serving:

Our $45 dispatch fee counts toward your actual repair or service
Hello Lowcountry!
Need A New Shut Off Valve?
Shut-Off Valves Should Work When You Turn the Handle!
The first step in any plumbing emergency involving pressurized water flooding your home is simple: shut your water off! Sometimes you can isolate it right at the fixture (toilet, sink, washing machine, or ice maker), but other times you have to shut the whole house down.
Bottom line: If you can't turn the water off, your water restoration bill grows by the second.
The most important advice we can give you? Know how to shut off the water at your water meter as a backup plan—just in case you ever face a nightmare flooding scenario that is definitely not a dream!
The first step in any plumbing emergency involving pressurized water flooding your home is simple: shut your water off! Sometimes you can isolate it right at the fixture (toilet, sink, washing machine, or ice maker), but other times you have to shut the whole house down.
Bottom line: If you can't turn the water off, your water restoration bill grows by the second.
The most important advice we can give you? Know how to shut off the water at your water meter as a backup plan—just in case you ever face a nightmare flooding scenario that is definitely not a dream!
If you're having shut off valve problems — Give Swell Guy Plumbing a call. My goal is simple: after the job is done, I want you to say, “My plumber is a Swell Guy!”
What's A New Shut Off Valve Gonna Cost?
Multi-Job Savings Note: Listed rates reflect standalone service pricing. When you combine multiple repairs or valve replacements in a single visit, we discount your labor for each additional service!
Valve Pricing
Hose Bib Replacement
Easy-access exterior connections. Direct valve replacement using high-grade brass.
$280
Hose Bib Replacement
Crawlspace access. Includes copper fitting, crawling access, and spigot.
$550
Main Water Valve Replacement
Above ground access.
$345
Main Water Valve Replacement
Below ground with valve box.
$650
Supply Stop Replacement
Connected to PEX. $395 per pair.
$257.50
Supply Stop Replacement
Connected to copper (solder/sweat). $450 per pair.
$335
PRV Replacement
3/4" PEX ready pressure reducing valve.
$440
Prices may vary depending on site conditions and scope of work.
Common Shut Off Valves We Install/Replace
Whole-House Shut-Off Valves: Do you know how to quickly turn off your water during a plumbing emergency?
Most newer homes (built after 2010) have a main shut-off valve located in the garage or another easily accessible indoor spot. However, many older homes (pre-2000) have their valves buried out in the dirt—or rely on old gate valves that can easily snap or leak when you try to turn them.
Every home needs a reliable, working main shut-off valve. If you don’t have one, your only option is buying a water key and knowing how to shut it off at the street meter.
Toilet Shut-Off Valves & Supply Lines: If your toilet starts leaking, you need to be able to turn off the water to that specific fixture immediately—without shutting down water to your entire home. We can replace worn-out, frozen, or leaking toilet supply stops (shut-off valves), or install a brand-new one if your old plumbing is missing it entirely.
For maximum reliability, we always recommend burst-resistant braided stainless steel supply lines. To prevent future leaks and property damage, we automatically replace the supply line whenever we install a new toilet, reseal a wax ring, or replace a fill valve.
Sink Supply Lines & Shut-Off Valves: A leaky faucet is annoying, but a burst supply line can flood your home in minutes. Having a functioning under-sink shut-off valve (supply stop) means you can easily isolate a problematic faucet without turning off the water to your entire house. We recommend checking these lines every year and proactively replacing faucet supply lines every 5 years to prevent unexpected failures.
Ice Maker Valves & Lines: Most modern refrigerators feature built-in ice makers and water dispensers. To ensure optimal performance and protect your home, Swell Guy Plumbing recommends installing an ice maker valve equipped with a hammer arrestor (which is required by plumbing code). This should be attached to a solid $1/2$-inch water supply line.
For the connection from the shut-off valve to your fridge, a 3-to-5-foot braided stainless steel supply hose is ideal. We strongly advise against running long lengths (like 10 feet) of thin plastic tubing, especially when connected to a unreliable, self-tapping saddle valve.
Pro Tip: We recommend inspecting your ice maker supply hose every year and replacing the line every 5 years to prevent unexpected leaks!
Washing Machine Valves & Hoses: Washing machine valves are prone to leaking over time—usually around the handle or stem—and can eventually fail to shut off entirely. Because these valves experience sudden pressure drops, they also require hammer arrestors to protect your pipes. To prevent catastrophic bursts, we highly recommend upgrading to braided stainless steel washing machine hoses. It is best practice to inspect your hoses annually and replace them every 5 years.
Please note: For your home’s safety, we do not recommend or install “all-in-one” supply valves that have a permanently attached supply tube. Because flexible supply lines wear out over time and require periodic replacement, separate pieces are much safer and cheaper to maintain. If we are replacing a toilet or faucet for you and find an integrated valve, we will replace it with a standard, high-quality separate valve and line to ensure your system is serviceable down the road.
Most newer homes (built after 2010) have a main shut-off valve located in the garage or another easily accessible indoor spot. However, many older homes (pre-2000) have their valves buried out in the dirt—or rely on old gate valves that can easily snap or leak when you try to turn them.
Every home needs a reliable, working main shut-off valve. If you don’t have one, your only option is buying a water key and knowing how to shut it off at the street meter.
Toilet Shut-Off Valves & Supply Lines: If your toilet starts leaking, you need to be able to turn off the water to that specific fixture immediately—without shutting down water to your entire home. We can replace worn-out, frozen, or leaking toilet supply stops (shut-off valves), or install a brand-new one if your old plumbing is missing it entirely.
For maximum reliability, we always recommend burst-resistant braided stainless steel supply lines. To prevent future leaks and property damage, we automatically replace the supply line whenever we install a new toilet, reseal a wax ring, or replace a fill valve.
Sink Supply Lines & Shut-Off Valves: A leaky faucet is annoying, but a burst supply line can flood your home in minutes. Having a functioning under-sink shut-off valve (supply stop) means you can easily isolate a problematic faucet without turning off the water to your entire house. We recommend checking these lines every year and proactively replacing faucet supply lines every 5 years to prevent unexpected failures.
Ice Maker Valves & Lines: Most modern refrigerators feature built-in ice makers and water dispensers. To ensure optimal performance and protect your home, Swell Guy Plumbing recommends installing an ice maker valve equipped with a hammer arrestor (which is required by plumbing code). This should be attached to a solid $1/2$-inch water supply line.
For the connection from the shut-off valve to your fridge, a 3-to-5-foot braided stainless steel supply hose is ideal. We strongly advise against running long lengths (like 10 feet) of thin plastic tubing, especially when connected to a unreliable, self-tapping saddle valve.
Pro Tip: We recommend inspecting your ice maker supply hose every year and replacing the line every 5 years to prevent unexpected leaks!
Washing Machine Valves & Hoses: Washing machine valves are prone to leaking over time—usually around the handle or stem—and can eventually fail to shut off entirely. Because these valves experience sudden pressure drops, they also require hammer arrestors to protect your pipes. To prevent catastrophic bursts, we highly recommend upgrading to braided stainless steel washing machine hoses. It is best practice to inspect your hoses annually and replace them every 5 years.
Please note: For your home’s safety, we do not recommend or install “all-in-one” supply valves that have a permanently attached supply tube. Because flexible supply lines wear out over time and require periodic replacement, separate pieces are much safer and cheaper to maintain. If we are replacing a toilet or faucet for you and find an integrated valve, we will replace it with a standard, high-quality separate valve and line to ensure your system is serviceable down the road.
Why Do Lowcountry Homeowners Trust Swell Guy Plumbing?
- Over 25 Years of Local Experience: We aren’t a massive national franchise, we’re your neighbors. Steven Dyson, owner and licensed plumber at Swell Guy Plumbing, is a lifelong Lowcountry resident with over 25 years local plumbing experience. Born and raised in Hanahan, SC – living in Summerville, SC – and operating in Goose Creek, SC. We know the area and strive to maintain a great name in the Lowcountry community.
- Licensed & Experienced: Swell Guy Plumbing is a licensed SC plumbing & gas contractor (M115194) and certified SCDES backflow tester. You won’t find our owner sitting behind an air conditioned desk all day because he’s out helping his neighbors solve water pressure problems.
- Upfront, Transparent Pricing: How many plumbing companies actually post their plumbing price ranges online for their Lowcountry neighbors to see before scheduling? Swell Guy Plumbing Co does because we believe in transparent pricing.
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Serving Your Neighborhood: Swell Guy Plumbing works hard to keep your plumbing leak free in Goose Creek, Hanahan, Ladson, Moncks Corner, North Charleston, Charleston, and Summerville. The Lowcountry is our home and we value the opportunity to help our neighbors.
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843-874-2590
843-874-2590
Over 25 Years Of Plumbing Experience In The Lowcountry Area
221 Saint James Ave | STE 6 | Goose Creek, SC 29445
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