Restaurant Plumbing in Las Vegas

Why a Commercial Kitchen Clogs Differently Than a House

Household drains usually clog around an object: a wipe, hair, a toy, a mass of something that should not be in there. Commercial kitchen lines clog around a coating. Grease leaves the sink as a warm liquid, cools on the pipe wall over the next few feet, and hardens there. Every service adds another layer. Nothing blocks the pipe on the day it happens, so the line keeps draining and nobody notices until the opening left in the middle is down to about the width of a straw.

That is why a cable snake feels like it works and then does not last. The cable punches a hole through the coating, water finds the hole, the sink drains, and everyone moves on. The grease is still on the wall, and it starts closing that hole immediately. Four weeks later you are calling again. Clearing a drain and cleaning a pipe are two different jobs, and a kitchen line almost always needs the second one.

Las Vegas adds one more layer to the problem. Valley water runs about 16 to 17 grains per gallon, which is very hard, so mineral scale builds on the same pipe wall the grease is sticking to. Scale gives grease a rough surface to grab, and the two together narrow a line faster than either would alone. Hard water is also why dish machines, booster heaters, and faucet aerators in a valley kitchen scale up faster than the same equipment would somewhere with soft water.

Grease Traps and Grease Interceptors

A grease trap is a holding box between your kitchen sinks and the building sewer. Flow slows down inside it, fats and oils float to the top, food solids settle to the bottom, and only the relatively clean water in the middle leaves through the outlet. A small under-sink or in-floor trap sits inside the kitchen. A larger interceptor is usually a concrete tank outside, in the lot or the alley, sized for the volume a busier kitchen puts through it.

Traps only work while there is room for the grease layer to float. Once that layer gets deep enough to reach the outlet baffle, the trap stops separating and starts passing grease straight into your building line, which is where the expensive version of this problem begins. Service means pumping the tank out, cleaning the baffles and the walls, and checking that the inlet and outlet are clear and still where they belong. We measure the grease and solids depth each visit and set the interval from what is actually in there.

Keep the paperwork. A pumping record, with dates and volumes, is the thing an inspector can ask you to produce, and it is also how you spot a kitchen whose volume has grown past its trap. If your trap fills faster every quarter, the answer is usually a bigger interceptor or a tighter schedule, not a cheaper pump-out. We handle the service and leave you the documentation for your file.

Hydro Jetting a Grease Line

Hydro jetting is how grease comes off a pipe wall. A hose goes into the line with a nozzle that drives water backward at high pressure, and the nozzle pulls itself forward while scouring the full circumference of the pipe. Grease, soap film, and scale come off and flush out downstream. You get most of the original pipe diameter back rather than a hole through the middle of a coating, which is why a jetted kitchen line stays open far longer than a cabled one.

We run a camera before we jet, not after. The camera tells us the pipe is sound enough to take the pressure, and it shows anything a jetter cannot fix: a belly holding standing water, an offset at a joint, root intrusion, or a section crushed under the slab. Jetting a broken line wastes your money and ours. If the line is sound, jetting typically runs $400 to $900 in this market, and you see the number and approve it before we pull a hose off the truck.

For a kitchen that runs heavy fryer volume, jetting on a set interval costs less than emergency calls do. We look at how fast the line loaded up between the last two visits and suggest a schedule from that, usually paired with grease trap service so both ends of the problem get handled in one trip. See hydro jetting in Las Vegas for how the equipment works, and why drains keep clogging for the diagnostic side.

Three-Compartment Sinks, Floor Drains, and Prep Fixtures

A three-compartment sink is the workhorse of a back of house, and it is also the biggest grease contributor in most kitchens. Wash, rinse, sanitize, and every drain on it feeds the same branch line. Common problems are a slow middle basin, a leaking basket strainer, a tailpiece or continuous waste that has corroded through, and an indirect waste line somebody extended in a hurry. We repair the fixture and the branch it drains into, not just the part that is dripping today.

Floor drains are the fixtures nobody thinks about until they matter, and two things go wrong with them. They clog, usually with the mix of grease and food debris that mops push in, and the floor stops draining during a wash-down. Or they dry out. Every floor drain has a trap that holds water to block sewer gas, and a drain in a dry corner of a dining room or a storage area can evaporate that seal and start venting odor into the room. Guests smell it long before anyone traces it to plumbing.

Mop sinks, prep sinks, ice machine drains, hand sinks, dish machine drains, and the drain lines behind a bar all belong to the same system, and they all get looked at as part of it. We check that indirect wastes still have their air gaps, that hand sinks run hot, that traps hold water, and that nothing has been tied in where it should not be. Small things like these are what turn a routine inspection into a list.

Health Inspection Readiness, in Plain Terms

We are plumbers, not inspectors, so treat this as the plumbing side of the picture and confirm the rules themselves with your local health authority. What we see over and over is the same short list of plumbing items coming up: a grease trap that has gone too long, a floor drain that will not drain, a hand sink without hot water or with something stored in it, a dry trap venting sewer gas, and a missing air gap on an indirect waste line.

Most of that is fixable in one visit if you look before the inspector does. We will walk the kitchen with you, run water at every fixture, pour the floor drains, open the trap, and give you a written list of what needs work and what is fine. If you want it documented, we leave the notes and the service records in a form you can keep on file.

The other half is habit. Scraping plates and wiping pans before they hit the dish sink keeps grease out of the trap, and keeping a schedule on trap service and line jetting means the system is never at its worst when someone shows up unannounced. Commercial plumbing maintenance covers how we build that schedule for a food service account, and how often each piece of it should come around.

Backflow Testing for Food Service

A backflow assembly keeps your building from pushing water back into the public main. If pressure in the city line drops, water can reverse direction and carry whatever it was touching with it. In a restaurant, the connections that create that risk are the ones you use every day: carbonation and soda equipment, coffee and espresso lines, dish machines with chemical feeds, mop sink hose bibbs, boilers, and irrigation on the property. Each of those needs the right protection on it.

Testable assemblies use internal check valves, and check valves are mechanical parts that wear. Water purveyors generally require a test on a yearly cycle for that reason. The test puts a gauge on the test cocks and measures whether each check holds pressure, and on a reduced pressure assembly whether the relief valve opens when it should. Fail it and the assembly comes apart for new rubber and a cleaned seat, or gets replaced if the body is corroded. Then it gets tested again.

A passing test is not done until the report reaches the purveyor, and that deadline follows the property, not whoever tested it last. If you run more than one location, put every assembly and its due date on one list so they can be done in a single pass. See backflow testing in Las Vegas for the details, and commercial plumbing for the rest of what we do for business properties.

Working Around Your Service Hours, and Where We Cover

Almost nothing in a restaurant gets fixed well at noon on a Friday. For planned work such as grease trap service, jetting, backflow testing, and fixture replacement, we schedule early mornings, late nights, or your closed day, and we stage the job so the kitchen is usable again before you open. For a line backing up mid-service there is no schedule: call (702) 840-5037, a real person answers day or night, and we walk you through which valve to close while the truck is on the way.

We run food service accounts across the valley, from the Strip-adjacent kitchens in 89109 and 89119 to the neighborhood restaurants in Spring Valley, Summerlin, and Enterprise. Henderson is covered out of our office at Kingdom Plumbing, 634 Grand Rim Dr, Henderson, NV 89012, which handles Green Valley, Anthem, Seven Hills, and Whitney Ranch in the 89012, 89014, 89052, and 89074 ZIPs, with 24/7 availability on the same number, (702) 840-5037. If you manage two or three locations on different sides of town, we can put them on one visit schedule.

Whichever side of town you are on, the same flat rate applies: we quote the job, you approve it, and the number does not move because it is 11 PM. For an active backup right now, see 24/7 emergency plumbing, and what plumbing repairs cost in Las Vegas shows the typical local ranges before you call, so nothing on the invoice is a surprise.

Restaurant Plumbing Jobs and How They Get Scheduled

The food service work we get called for most, what each job actually covers, and when it tends to happen.