What’s included in a shower system?

"Shower system" sounds like one product, but it’s a short list of parts that go together. Some retailers sell those parts as a complete set in one box; others sell the valve on its own and let you specify the rest.

Buying the wrong way is the single most common source of shower-order frustration: you wait for delivery, open the box, and find you’re missing the riser rail, or the head, or both. This guide names every part, explains what each one does, and resolves the valve-only-vs-complete-set question so you can order with confidence the first time.

The parts of a shower system

Six parts make up a typical exposed shower system. Concealed systems trade the visible riser rail for a wall outlet, but everything else is the same:

• The valve. The body of the shower, with the controls (manual or thermostatic). The valve takes hot and cold water in, blends them to the temperature you set, and controls the flow on the way to the head. The longest-lived part of the system.
• The shower head. Either a fixed overhead head (often rainfall), a handset on a hose, or both on a dual-outlet system. The visible part of the shower that most buyers focus on, but really just the delivery end of what the valve sends.
• A riser rail (on most exposed systems). A vertical rail mounted on the wall that the handset slides up and down on. Useful for varying user heights — a six-foot user and a five-foot child can both reach the handset at a comfortable position.
• A wall arm or ceiling arm (for fixed heads). The bracket that holds the fixed head out from the wall or down from the ceiling. Decides whether the head is wall-mounted (most common) or ceiling-mounted (the cleanest minimalist look).
• The hose (if a handset is included). The flexible pipe connecting the handset to the valve or the riser rail. Usually 1.5m or 2m long.
• A wall outlet or flush plate. On concealed systems, the visible plate that sits on the wall in front of the hidden valve, with the controls and any diverter on its face. On exposed systems, this is replaced by the wall connectors where the supply pipes meet the valve.

Not all six parts are needed for every install. A simple over-bath shower with just a fixed head doesn’t need a riser rail. A pure rainfall system without a handset doesn’t need a hose or a handset bracket. Match the parts list to the install you actually want.

Valve-only or complete set?

This is the central buying decision and the one that catches most buyers out. Shower products are sold three ways, and they’re not always clearly labelled.

• Complete set. One box containing the valve, the head(s), the riser rail (if applicable), the hose, the wall arm, and any required brackets. The whole shower in one product code. The easiest way to buy if you want the shower to match itself.
• Valve-only listing. Just the valve, with the head and the rest sold separately. Useful when you want to specify each part deliberately, or when you’re reusing some existing parts (like a hose or rail in good condition).
• Valve plus head only. A common middle-ground product: the valve and the fixed head together, but the handset, hose and rail sold separately. Watch for this in product descriptions — it’s easy to assume it’s a complete set when it isn’t.

The honest read: for most buyers, a complete set is the right answer. The parts match each other in finish and style, the install fits together properly, and you’re not chasing around for missing bits the night before the plumber arrives. Valve-only buying makes sense for renovations where you want to specify each part, or where you already have some quality parts you want to keep. Always check the product description for what’s in the box, not just the product name.

Exposed = easy swap, concealed = renovation

The other side of this question is whether you’re replacing an existing shower or fitting one as part of a renovation. The format you pick changes what gets supplied with the system.

If you’re replacing an existing shower, exposed is almost always the right answer, and a complete-set exposed bar mixer is the cleanest product to buy. It supplies everything you need (valve, head, riser rail, handset, hose) in one box, and it mounts onto your existing pipework without re-tiling the wall. A like-for-like swap is usually a couple of hours’ work, with no surprises.

If you’re renovating the bathroom, you have more options. A concealed shower system suits the renovation context because the wall is open anyway. Concealed valves are often sold without the visible flush plate (which is bought separately so you can match it to your finish), and the head and arm may also be specified separately. So a "complete" concealed shower is often three or four products bought together rather than one. The trade-off is worth it for the cleaner look, but you need to plan the order list properly.

Your shower system shopping checklist

Before you order, run through this checklist to make sure you’re not going to be missing anything when the box arrives:

Check	What to look for
Is the valve included?	Always — but check it's the thermostatic or manual type you actually want, and the right outlet count (1, 2 or 3) for the heads you're fitting.
Is the fixed head included?	Usually yes on complete sets. Check the size matches your enclosure — a 250mm head in an 800mm cubicle, a 200mm head in an over-bath, a 300mm head in a walk-in.
Is the handset included?	Yes on dual-outlet sets, no on single-outlet rainfall systems. If you want a handset on what looks like a rainfall-only set, check before you buy.
Is the riser rail included?	Yes on most exposed sets, but verify rather than assume. A rail bought separately costs less than the friction of finding out it's missing.
Is the hose included?	Yes if a handset is included, almost always. The hose length matters — a 1.5m hose is shorter than a 2m, which can matter in a tall enclosure.
Is the wall arm or ceiling arm included?	Usually yes for the head mounted with the set. If you're changing from wall-arm to ceiling-mounted (or vice versa), confirm the supplied arm matches the install.
Is the flush plate included (concealed only)?	Often sold separately to match the rest of your bathroom finish. Don't assume it's in the box on a concealed valve.
Do you need any extra fixings or connectors?	The standard wall connectors are usually included, but a variable connector to bridge an existing pipework mismatch isn't. Check your existing supply spacings before you order.

What’s-included FAQs

What parts does a shower system include?

A typical exposed shower system includes a valve, a fixed head, a handset on a hose, a riser rail, a wall arm for the fixed head, and the wall connectors. Concealed systems trade the riser rail for a wall outlet and add a flush plate (often sold separately). Always check the product description for what’s in the box.

Do I have to buy the valve separately?

Not usually. Most shower products are sold as complete sets with the valve and the rest of the parts together. Valve-only listings exist for buyers who want to specify each part deliberately, especially during renovations. Always check the product page to confirm.

What’s the difference between a shower set and a shower system?

In retail terms they’re used interchangeably. Both describe a valve plus the head, hose, rail and other parts needed to make the shower work. Some retailers use "system" specifically for sets with two outlets (rainfall plus handset) and "set" for simpler single-outlet products, but the usage isn’t consistent across brands.

Will a shower set fit my existing pipework?

Usually yes if you’re replacing an exposed shower with another exposed shower — modern bar mixers follow common supply-spacing standards. Always check the dimensions on the product spec against your existing setup before ordering, and a variable connector can bridge a small mismatch.

Is the shower head the most important part to choose?

Counterintuitively, no. The valve is the longest-lived and most consequential part of the system, because it’s the part that does the actual work. The head delivers what the valve sends. A well-engineered thermostatic valve with a basic head usually beats a fancy head on a cheap valve, especially over the years.

Browse the shower valves range if you’re buying parts deliberately, or the full showers range for complete sets that match themselves.

We’ve been helping people order showers since 1999, with a 4.8/5 rating from over 60,000 Trustpilot reviews, free UK delivery, a price match promise and 365-day returns, so missing parts and order mistakes aren’t a worry.

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