Touchless and pull-down kitchen faucets: what breaks and what to buy

Kitchen faucets used to be a spout, two handles, and a cartridge. Now the spout has a hose in it, the hose has a weight on it, the head docks with a magnet, and a growing share have a battery box and a sensor. Each of those parts is a convenience and a failure point, and the ones that fail here fail for local reasons: hard water, chlorinated water, and salt air.

What breaks on pull-down faucets

• The hose. A braided or nylon hose runs from the spray head down through the spout and loops under the sink. It flexes every time you pull the head out. Cheap hoses kink, crack at the crimp, and eventually spray inside the cabinet. Most brands sell the hose as a replacement part.
• The weight. A clamp-on weight on the lower loop of the hose pulls the head back into the spout. It slides, falls off, or catches on the disposal cord, the supply lines, or a bottle in the cabinet. Nine times out of ten a sprayer that will not retract is a weight problem.
• The docking magnet. The magnet weakens, the plastic collar around it wears, or scale builds up on the mating surfaces and the head droops.
• The spray head. The diverter button between stream and spray sticks with scale, and the rubber nozzles wear. Heads unscrew from the hose and are replaceable.

What breaks on touchless faucets

Touchless faucets add an infrared or capacitive sensor, a control box, a solenoid valve, and either a battery pack or a plug-in transformer.

• Batteries. Most units run on AA or C cells that last one to two years. When the sensor becomes erratic, batteries are the first suspect. A faucet in a seasonal home that sits for six months often comes back to dead cells.
• The solenoid. This is the electrically operated valve that opens and closes the water. Debris or scale in its screen causes a faucet that trickles, hesitates, or will not fully close. The screen can be cleaned; a failed solenoid is replaced as a part.
• The sensor. Grease, a wet rag in the sink, a stainless bowl reflecting light, or a dark countertop can confuse it. Most brands let you adjust range or switch the sensor off.
• Power dependence. A wall-powered model stops sensing in an outage, which matters in hurricane season. Every touchless faucet has a manual handle that still works, so check that yours does before you buy.

Electronic components usually carry a shorter warranty than the body and cartridge, often a few years instead of lifetime.

Cartridges, hard water, and chlorine

Every single-handle faucet has a cartridge that mixes hot and cold. Much of Lee and Collier County tap water is hard, and well water in Lehigh Acres and eastern Estero is harder, so calcium builds on the cartridge seals until the handle is stiff and the faucet drips. Chlorine and chloramine in city water dry out rubber seals and O-rings faster than the manufacturer planned.

The good news is that Moen, Delta, and Kohler, as examples, cover the cartridge with a limited lifetime warranty and will ship one to the homeowner. Pull the old cartridge, note the model, and request the part. The aerator at the spout tip clogs with the same scale, and unscrewing it and soaking it in vinegar restores flow more often than any other kitchen faucet fix.

If your cartridges are scaling every couple of years, the faucet is not the problem. Whole-home filtration or a softener protects every fixture at once.

Finishes in salt air

On Fort Myers Beach, Sanibel, Captiva, and the bayfront neighborhoods, salt-laden air gets into the kitchen and works on plated finishes. Standard chrome and brushed nickel plated over brass hold up reasonably well. Painted or lacquered finishes, and the thinnest plating on budget faucets, pit and peel within a few years. PVD finishes, a vapor-deposited coating most premium brands offer in stainless, bronze, and black, are the durable choice near the water. Spot-resistant stainless is a reasonable middle ground.

Holes, deck plates, and supply lines

Count the holes in your sink or countertop before shopping. Most modern faucets are single-hole. A sink with three or four holes needs a deck plate, also called an escutcheon, which most single-hole faucets include or offer. A separate soap dispenser can fill a spare hole. Undermount sinks in granite or quartz have holes drilled in the stone, and adding or enlarging one is a countertop job, not a plumbing one.

Faucets come with supply lines attached in three-eighths inch compression, usually 20 to 24 inches long. If the shutoff valves under the sink are farther than that, or are half-inch, you need extensions or adapters. Do not stretch a supply line tight; a line under strain fails at the crimp.

Warranty, parts, and where DIY stops

Buy a faucet from a manufacturer that stocks parts and honors a lifetime warranty on the cartridge and finish, because the cartridge, hose, and head are what you will actually replace. Moen, Delta, and Kohler are common examples that meet that bar; Pfister and Grohe are others with parts networks. Store-brand and online-only faucets often look identical and are the ones nobody can find a hose for two years later. A good faucet lasts 10 to 15 years in a household kitchen; budget models often go half that.

Replacing a kitchen faucet on a sink with working quarter-turn shutoffs, sound supply lines, and room to work is a homeowner job. It stops being DIY when the shutoffs will not turn or weep, the supply lines are gray plastic or original to a 1980s house, the old faucet is corroded to the sink and has to be cut off, the sink is stone and the holes do not match, or a touchless unit needs an outlet under the sink. Those turn a faucet swap into a flood or a countertop repair.

If you are choosing a faucet and are not sure what your sink and shutoffs will accept, send us a photo of the top of the sink and one of the cabinet underneath. We can tell you what fits and what should be replaced along with it.