Why That “Good Deal” at the Big Box Store or Online Will Cost You More
- colossusplumbing
- Sep 10
- 5 min read

Why That “Good Deal” at the Big Box Store or Online Will Cost You More
It happens all the time. A homeowner is walking down the plumbing aisle at a big box store or scrolling Amazon late at night, and a shiny faucet or water heater pops up at a price that feels too good to pass up. Same brand name. Same box. Same style. Why pay a plumber more for what looks like the same thing?
But here’s the reality: what you’re buying at a big box store or from an online retailer is not always the same product that a plumber buys from a professional supply house. On the surface they may look identical, but once you look inside the differences are night and day. And more and more manufacturers are finally admitting it by limiting or even pulling warranty coverage for these retail versions.
1. The Moen Example: A Shift in Warranty Coverage
For years, Moen has been one of the most trusted names in plumbing fixtures, in large part because of its famous lifetime warranty. That warranty gave homeowners peace of mind knowing their faucet or fixture would be protected for as long as they owned their home.
But recently, Moen announced that not all products purchased through online retailers or big box stores will carry the same lifetime warranty guarantee.
Some of those products may still include lifetime coverage, but far fewer do now.
For the average homeowner, it’s nearly impossible to tell which retail versions are covered and which aren’t.
Other major manufacturers are following suit, scaling back warranties on retail and online sales because they know those units aren’t built to the same standard.
So, if you thought you could buy a faucet at a discount store and still get the exact same warranty protection, you may be in for a rude awakening when something breaks.
2. Why Manufacturers Are Pulling Back
You might be wondering: Why would companies like Moen or Rheem limit warranties at all?
The answer is simple: products made for retail are often built to hit a price point, not to last.
To get on those shelves, manufacturers cut costs by:
Using thinner tank linings in water heaters.
Replacing brass valves with plastic fittings.
Simplifying cartridge and seal designs that can’t stand up to hard water.
Reducing insulation and sediment protection systems.
Using lower-grade burners and elements that lose efficiency faster.
Those changes save a few bucks at the store but lead to higher failure rates in the field. More failures = more warranty claims. And manufacturers are tired of eating the cost.
By scaling back warranty coverage for retail and online products, they protect their bottom line while leaving homeowners with less support.
3. What Plumbers See in the Real World
As plumbers, we see the real impact of these differences every day. Here are just a few examples:
Faucets: A faucet bought online might look identical to a supply-house version, but the internals are often different. We’ve seen cartridges seize up or start dripping within a year because they can’t handle Utah’s notoriously hard water.
Water heaters: “Budget” models sold in big box stores often corrode far faster than their pro-grade counterparts. We’ve pulled out 4–5 year old tanks that were already leaking, while a supplier model of the same brand often lasts 10–12+ years with maintenance.
Valves and fittings: Big box valves are often built with thin plastic or lightweight alloys that crack under normal water pressure. When they fail, it’s not just the part that needs replacing, it’s the drywall, flooring, and cabinetry around it that gets damaged.
Drain valves: On many retail water heaters, the drain valves are plastic. On supplier versions, they’re brass. Guess which one breaks first when you try to flush your tank?
The bottom line is clear: cheap parts don’t hold up in real-world conditions, especially with Utah’s mineral-heavy water.
4. Warranties That Look the Same… But Aren’t
One of the trickiest parts for homeowners is that on paper, the warranties often look the same. Both might say “6 years” or “limited lifetime.” But dig deeper and here’s what you’ll find:
Big box warranties often require you to haul the entire unit back to the store for a replacement. Imagine dragging a failed water heater into a customer service line.
Online warranties may require you to ship the defective product back or wait weeks for parts. Meanwhile, you’re without hot water or a working faucet.
Supplier warranties usually include professional parts replacement and support. That means when something goes wrong, your plumber can fix it quickly and correctly.
So while the warranty lengths might look similar, the level of protection and convenience is worlds apart.
5. Why Supplier-Grade Products Still Win
When you buy through a licensed plumber and a professional supply house, you’re not just paying for a product. You’re paying for:
Better build quality. Thicker linings, stronger fittings, brass parts, magnesium anodes, and features designed for longevity.
Full warranty protection. Suppliers back their products, and so do manufacturers, because they know they’re built to last.
Correct installation. A licensed plumber makes sure the unit is properly sized, vented, connected, and tested for efficiency and safety.
Peace of mind. You don’t just have a fixture or appliance, you have a system that’s designed to last.
6. The True Cost of a “Good Deal”
At first glance, that faucet on Amazon or that water heater in a big box aisle might be $100 or $200 cheaper than what a plumber quotes. But here’s what often happens:
It fails early and you pay for labor to replace it.
You discover the warranty doesn’t cover what you thought it did.
You end up buying another unit sooner than expected.
In worst-case scenarios, a leak or burst causes thousands of dollars in damage that dwarfs the money you “saved” upfront.
So was it really a good deal? Not when you zoom out and look at the lifetime cost.
The Bottom Line
So what is the summed up version of why that “Good Deal” at the big box store or online will cost you more?
That “good deal” at the big box store or online retailer is rarely the bargain it seems. Not all products bought there come with the lifetime warranty you expect. The products themselves are often built differently, thinner, lighter, cheaper, and they don’t hold up in the field, especially against Utah’s tough water.
Supplier-grade products are built for performance and longevity. They’re backed by warranties you can trust, installed by professionals who know what they’re doing, and designed to protect your home.
So before you roll a box out of a big box store or click “Buy Now,” ask yourself: Do I want to save a little today, or save a lot tomorrow?
At Colossus Plumbing, we install professional-grade systems that are built to last. Because in plumbing, cheaper today almost always means more expensive tomorrow.





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