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How Much Does a Cast Iron Tub Weigh?

Cast iron is what makes a clawfoot tub feel so solid, and it's heavy. Most cast iron tubs weigh between about 350 and 500 pounds empty, depending on size and style.

Our cast iron tubs, empty

Tub Empty Crated for shipping
Mendocino 5' clawfoot 352 lb 520 lb
Como 5' leg tub 352 lb 520 lb
Charles 5' rectangular leg tub* 404 lb 515 lb
Lewis 5.5' rectangular leg tub* 437 lb 559 lb
Michigan 5' pedestal 460 lb 593 lb
Lagoon 5.5' pedestal 475 lb 635 lb
Luna 6' pedestal 506 lb 640 lb

* Includes its feet, about 30 lb. Our pedestal tubs weigh more than the ones on feet.

Full of water

Water weighs about 8.3 pounds a gallon. The Lagoon holds about 45 gallons, so the water alone adds around 375 pounds. Add the tub and a person, and a filled cast iron tub can weigh close to half a ton, spread across just four feet or one pedestal.

Before it arrives

  • Check the floor. Ask a contractor to check the floor where the tub will sit, especially in an older home or an upstairs bathroom.
  • Plan the route. Measure doorways, stairs and turns from the street to the bathroom against the tub's size.
  • Line up help. The crated weight is what arrives at your door. Have enough people, or a mover, to carry it in safely.

Cast iron or acrylic?

Most of our acrylic tubs weigh between about 70 and 150 pounds empty, a third of cast iron or less, which makes them easier for upstairs bathrooms. Cast iron holds heat longer and has a heavy, solid feel. Our cast iron vs acrylic guide compares them in full, and clawfoot tub sizes helps you check the fit.

Browse cast iron tubs and acrylic tubs, or ask us about a specific model's weight.

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Thermostatic Shower Valves: How They Work and Why They're Worth It

You've felt it: someone flushes a toilet and the shower turns cold, or hot. A thermostatic valve is built to stop that. What a thermostatic valve does Inside the valve is a thermostatic cartridge. It mixes the hot and cold supply and holds the water at the temperature you set, so the shower stays steady instead of swinging hot or cold. Thermostatic vs a standard valve Most standard showers use a pressure-balance valve, which keeps the ratio of hot to cold steady when water pressure changes. A thermostatic valve responds to the temperature of the water itself. It also separates temperature from flow, so you set the temperature once and turn the water on and off with its own handle. Exposed thermostatic showers On our exposed systems the valve and pipes sit on the wall, so they're part of the look. For example: The P0902 has separate controls for the overhead shower and the hand shower, so both can run at once. The P1085 uses a 3-function diverter to switch between them, with a shepherd's crook shower arm. The Sacramento P1131 has adjustable centers to suit more plumbing layouts. Our exposed systems such as the P0902 and P1085 mount on 7" centers and use water-saving 1.75 GPM shower heads. See all thermostatic exposed showers. The same kind of valve also comes in thermostatic tub faucets and clawfoot tub shower sets. Looking after it Our thermostatic valve maintenance guide shows the routine, and which cartridge does my faucet need lists the replacement parts if one ever wears out.

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Polished Nickel vs Chrome, and Our Other Finishes

Chrome and polished nickel are both bright, mirror-like finishes, and on a website they can look almost the same. In a real bathroom the difference is warmth. Chrome Chrome is a cool, blue-white mirror with crisp reflections. It suits white tile, marble and clean modern rooms. Polished nickel Polished nickel is also a mirror finish, but with a warm, slightly champagne silver tone. It's softer than chrome and sits well with cream and warm whites. Matte nickel Matte nickel is brushed: a soft grey-silver with a fine grain and gentle highlights. Brass: lacquered or living Supercoat Brass is polished brass sealed with a protective lacquer. It keeps its bright gold color. Polished Brass is the same bright brass without lacquer, so it slowly darkens and develops a patina. Satin Brass is unlacquered brass with a fine brushed grain. Raw Brass is unlacquered brass with a smooth, low-sheen surface. Our lacquered vs unlacquered brass guide explains how the unlacquered finishes age. Dark finishes Oil Rubbed Bronze and Satin Black are dark, even, low-sheen finishes that stand out against white tubs and pale walls. Warranty and care Chrome, nickel and Supercoat finishes are warrantied against manufacturer's defects for 5 years. Oil Rubbed Bronze, Satin Black and all unlacquered brass finishes should be inspected before installation, because they're warrantied only before use. See our warranty for the details. For every finish, wipe with a dry or lightly damp soft cloth, and never use scouring pads, brushes, bleach, acetone or other harsh chemicals. Our brass care routine covers the rest. Choosing Want bright and cool? Chrome. Bright and warm? Polished nickel or Supercoat Brass. A finish that changes over time? Unlacquered brass. Every faucet page shows the finishes it comes in.

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