Compression vs Cartridge vs Ball Faucet: How to Tell Which You Have

TL;DR: Compression faucets have separate hot and cold handles that you turn until they stop, and they need washer replacement roughly every 3-5 years. Cartridge faucets have one or two handles that lift and turn with a light quarter-turn feel and rarely drip until the cartridge wears out, usually after 8-10 years. Ball faucets use a single handle that swivels in every direction over a rounded ball housing, common in kitchen sinks installed in the 1970s-1990s.

_Last reviewed: July 2026 · 6 min read_

You pull the faucet apart to fix a drip, and the repair kit you bought doesn't fit. That's because there are three completely different valve mechanisms hiding under nearly identical-looking handles, and buying the wrong parts is the single most common mistake in faucet repair.

Okoniq Property Hub lets you log which faucet type is installed in each unit, so the next repair or tenant call doesn't start with guesswork.

How do you identify a compression faucet?

A compression faucet has two separate handles, one for hot and one for cold, and each one tightens down against a rubber washer to stop the flow. You'll feel resistance building as you turn it closed, and it takes several full rotations to shut off completely rather than a quarter-turn.

These are the oldest design still in wide use, common in homes built before 1985. The washer that seals against the valve seat wears out from friction every time you use the faucet, which is why compression faucets are the type most likely to drip. If yours drips only from the hot side, that's a strong sign it's compression, since the washer on the hot side degrades faster from heat exposure.

Compression faucets are also the cheapest to repair. A washer kit runs $3-6 and the job takes about 15 minutes once you shut off the supply valves. If you're dealing with a drip that started gradually and got worse over months, this guide on when to snake a clogged drain yourself and when to call a plumber covers the same kind of DIY-vs-pro decision tree that applies to faucet repairs too.

How do you identify a cartridge faucet?

A cartridge faucet has a smooth, light turning action, no grinding resistance, and shuts off in a quarter-turn or less. It can have one handle or two, and unlike compression faucets, it doesn't rely on a washer pressing against a seat. Instead, a replaceable cartridge inside controls the water flow through aligned ports.

Cartridge faucets became standard in the 1990s and 2000s and are still the most common type installed today, especially in mid-range kitchen and bathroom fixtures from brands like Moen and Delta. If your faucet has a single handle that moves up-down for volume and left-right for temperature, and it feels smooth with no sticking point, it's almost certainly cartridge-style.

The giveaway sign of a failing cartridge is dripping that starts suddenly rather than gradually, often after 8-10 years of service, or water temperature that's hard to dial in precisely. Replacement cartridges cost $10-25 depending on brand and typically snap in without special tools, though you do need to know the exact model since cartridges aren't universal.

How do you identify a ball faucet?

A ball faucet has a single handle that moves in a full circular motion, tilting up for more flow and side to side for temperature, sitting over a rounded ball-shaped cap at the base. You'll usually find these on kitchen sinks, and they're identifiable by a small dome or cap nut just under the handle.

Delta popularized this design starting in the 1950s and it stayed common through the 1990s in kitchen faucets specifically, less so in bathrooms. Inside, a slotted metal or plastic ball rotates to control both temperature and flow through openings that line up with the faucet body. Ball faucets have more moving parts than the other two types, which means more potential leak points, springs, seats, and an O-ring around the ball itself.

If your single-handle kitchen faucet is dripping from the spout and you can wiggle the handle up and down and feel it's loose at the base, that looseness plus the swivel motion points to ball-type. Repair kits run $8-15 and involve more small parts than a cartridge swap, so lay pieces out in order as you disassemble it. This overlaps with plumbing wear you might already be tracking, similar to how a cast iron drain pipe nearing the end of its service life shows its own set of warning signs before failure.

| Feature | Compression | Cartridge | Ball | |---|---|---|---| | Handle count | 2 (hot/cold) | 1 or 2 | 1 | | Turn feel | Tightens with resistance | Smooth quarter-turn | Full circular swivel | | Common era | Pre-1985 | 1990s-present | 1950s-1990s | | Typical repair cost | $3-6 washer | $10-25 cartridge | $8-15 kit |

What if the faucet still doesn't match any of these?

Some faucets, especially newer touchless or disc-style models, use ceramic disc valves instead, which is a fourth category worth knowing about. Disc faucets have a single lever that moves in a shallow, smooth arc with almost no resistance and rarely need repair for 15-20 years because ceramic discs resist wear far better than rubber washers.

If you shut off the water and pull the handle but nothing you see matches compression, cartridge, or ball, check the manufacturer's name stamped on the base or under the handle cap. Most major brands, Moen, Delta, Kohler, Price Pfister, post parts diagrams online by model number, which is faster than guessing from a repair kit aisle.

What's the fastest way to shut off water before working on any faucet type?

Locate the shutoff valves under the sink first, one for hot and one for cold, and turn them clockwise until they stop. If those valves are corroded or won't turn, which happens often in homes over 20 years old, you'll need to shut off the main water supply to the house instead. Skipping this step is the most common reason a simple faucet repair turns into a bigger leak.

FAQ

Can I tell the faucet type without taking it apart?

Yes, in most cases. Two handles that tighten with resistance means compression, a single lever with smooth quarter-turn action means cartridge, and a single handle that swivels over a rounded base means ball. You only need to open it up if the handle style doesn't clearly match one of these patterns.

Which faucet type lasts the longest without repair?

Ceramic disc faucets last the longest, often 15-20 years without needing internal parts replaced, followed by cartridge faucets at 8-10 years. Compression faucets need washer replacement most frequently, often every 3-5 years depending on water usage and mineral content.

Is it worth replacing an old compression faucet instead of repairing it?

If a compression faucet is already 20-25 years old and needing repeat washer replacements, a full replacement at $80-200 for a mid-range cartridge or disc faucet often makes more sense than continuing repairs. Repeated repairs on old valve seats sometimes fail to stop drips permanently because the seat itself has worn unevenly.

Do all faucets from the same brand use the same valve type?

No. Brands like Delta and Moen have made compression, cartridge, and ball faucets across different product lines and decades, so the manufacturer name alone doesn't tell you the valve type. You need to check the handle action and internal parts, or look up the specific model number.

Why does my faucet drip only sometimes, not constantly?

Intermittent dripping, especially after the water's been off for a while, usually points to a worn washer or O-ring in compression or ball faucets rather than a fully failed cartridge, which tends to drip continuously once it goes. Mineral buildup in hard-water areas can also cause intermittent sticking that mimics a mechanical failure.

This is educational information, not professional plumbing advice. Call a licensed plumber if you're unsure about shutting off supply lines or if a repair involves cutting into existing pipe.