What is the Best Shower for Unvented System?

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An unvented hot water system takes its cold water supply directly from the incoming water main.

It is not gravity-fed by a tank in the loft, and the cold mains water feeds both the shower and hot water cylinder directly. The hot water cylinder is located in the airing cupboard, utility area, or garage, with many being recognized by the expansion vessel on the top.

The systems are found in newer or refurbished properties. However, the water system isn’t suitable for use with a booster pump. Besides, it has benefits such as;

  • Mains pressure hot water
  • Stored hot water, ready to use
  • No need for a cold water storage tank

On the other hand, the tank’s capacity can be a limitation if you have a large family or live in a shared homestead. As such, you might like to know which is the best shower for unvented system. But we provide you with a few options that you want to consider.

Let’s get started.

Wall Mounted Shower Faucet with Rain Shower-head and 3 Handheld Shower Head Set, Matte Black

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It contains Gabrylly Pressure Balance Valves which allows you and your family to have peace of mind with long-term, reliable shower protection from scalding and cold shocks.

The valve has adjustable hot and cold water pressure and water intake settings, helping you adjust the appropriate water pressure. It also comes in handy when you need to replace the shower valve cartridge since you only need to close this setting. Therefore, you can replace it without having to turn off the main switch.

It has soft rubber spray holes that allow you to easily wipe away calcium and lime build-up from your shower-heads spray face, and hand shower with the touch of a finger.

The shower-heads feature three settings that ensure outstanding performance is delivered. Switching between spray settings is incredibly simple; you can transition between rain shower, full spray massage, or fast massage.

  • The broad 4-inch face provides full body spray.
  • Flow rate: 1.8 gpm with powerful water pressure
  • High quality, heat resistant, extremely durable rust

It has an 8-inch rain shower head. The luxurious, rainfall-style showerhead is made of Sturdy ABS material for durability and reliability, with a premium color finish resistant to tarnishing and corrosion.

Unlike most shower-heads, the threaded fitting connections are entirely made of solid metal construction that will not break or leak. It is manufactured under the highest standards of quality and artistry.

The brass construction is not easy to rust. It is made of high-quality matte black build to resist daily scratches, corrosions, and tarnishing.


  • Compromises three functions handheld shower head
  • Has a pressure balancing valve cartridge
  • Includes valve trim, rain, handheld, and elbow showerhead holders
  • Elegant matte black finish and a sleek design
  • Designed to install with standard U.S. plumbing connections easily


  • Not recommended to work with a tub shower

SR SUN RISE SRSH-F5043 Bathroom Luxury Rain Mixer Combo

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The rain mixer combo has a full body spray brought about by ten layers of chrome-plated finish offers a sleek look, making it corrosion resistance and durable.

This shower-head is made with high-pressure technology that offers a consistent, powerful rain shower even under low water pressure.

If you love sleek, elegant, and modern design in the bathroom and recognize the importance of high-quality products, then this is the proper water system for you.

It has a high-pressure brass handheld shower head that provides a power shower superior spray even at low water flow and pressure.

High-quality brass ensures water quality, which provides a better bathing environment for your family and protects your skin.

The pressure balance valve’s cartridge monitors water pressure balance, helping to protect you from being scalded by sudden changes in hot or cold water pressure.


  • The shower cartridge permanently replaced free of charge
  • 10-year warranty
  • Has an L Style Handheld Shower Head, rain shower head, and thermostatic mixer shower valve
  • Has a ten layer polished chrome-plated finish
  • Power showers even under low water pressure
  • Comes with a pressure balance valve’s cartridge that monitors water pressure balance
  • Valve that protects you from being scalded
  • Contains high-quality brass that ensures the quality of water


  • The replacement cartridge valve is only available in China

SR SUNRISE 12 Inches Bathroom Luxury Rain Mixer Shower Combo

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Sumerain offers shower faucet brushed nickel equipped with Touch-Clean soft, rubber nubbins (spray holes) that allow you to easily wipe away calcium and lime build-up with the touch of a finger. It is beneficial for areas with hard water.

Shower faucets set complete: trim and all parts are constructed of metal, assuring exceptional durability and providing an aesthetic appeal.

This unit comes with a brushed nickel shower faucet which resist rust and corrosion through everyday use.

It has a shower valve and trim kit with NPT 1/2″ connecting thread, designed to easily install with standard U.S. plumbing connections for saving person-hour cost during installation.

Sumerain Preferred Authorized Online Dealer for Guaranteed Warranty Coverage, all items covered under Sumerain’s limited lifetime warranty.

It has an Ultra-thin square shower head made of the highest quality 304 stainless steel, anti-rust. Brass high-pressure hand shower builds to resist daily scratches, corrosion, and tarnishing.


  • It has a shower valve and trim kit
  • Designed to for easy installation
  • The shower faucets set are constructed of metal
  • Guaranteed warranty coverage
  • Equipped with Touch-Clean soft and rubber nubbins for easy cleaning


  • Instructions are poorly worded
  • Installation is recommended for expert DIY’ers

AquaDance 7″ Premium High-Pressure 3-Way Rainfall Combo

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This water purifier is vigorously tested by a professional team of US showerhead experts to the highest US quality and performance standards.

Aquadance has a premium 6-setting 7″ rainfall shower-head, a vast 7-inch face for drenching flow coverage, High-power Click Lever Dial, Rub-Clean Jets, and Angle-Adjustable. All the parts are chrome finished, including the back and front.

This combo has a matching style hand shower that can be used as an overhead or handheld shower. Each shower has six settings: Power Rain, Pulsating massage, Power mist, Rain Massage, Rain Mist, and Water Saving Pause-model-patented 3-way water diverter.

You can turn the switch to direct water flow between two showers. It also features an Anti-Swivel Position Lock Nut for easy and secure connection AAngle-adjustable overhead bracket. You can point each shower where you want it for hands-free operation at desired angle reinforced 5 ft stainless steel hose.

The combo includes a 6-setting 7″ Rain Shower Head, 6-setting Hand Shower, 3-way Water Diverter with built-in Bracket, Shower Hose, Washers, Plumber’s Tape, Installation Manual, and stunning gift box designed for a perfect gift.

It comes with an easy tool-free connection since it installs in minutes with just three hand-tighten links and fits any standard shower arm.


  • Tested to the highest US quality
  • All the parts are chrome finished, including the back and face
  • Matching style hand shower
  • Each shower has six settings
  • Features an Anti-Swivel Position Lock Nut for easy and secure connection
  • Lets you point each shower where you want it for hands-free operation
  • Comes in a stunning gift box designed for a perfect gift
  • Easy tool-free connection
  • Fits any standard shower arm


  • Some say the washer is a bit soft

BESy Shower System with 12 Inch Rain Shower Head and Handheld Wall Mounted

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This Shower kit includes a 12” square fixed shower head, multifunction hand-held shower head with Sprayer, and a 16” shower arm wand. 59” shower hose, shower holder, and Shower Faucet Rough-in Valve Body, all you need for having the ultimate shower experience.

Save up to 30% on your water with the innovative air injection technology, which is also ideal for noise reduction. The water and air mixture is a perfect solution for areas with low water pressure.

It has a 2 in 1 handheld shower head that is different from most others included in the shower set. Just twist the body and easily change the shower mode to spray gun mode, widely used for cleaning and pet shower.

With the matte black appearance of European and American style and the multi-layered electroplating passing the Salt Spray Test, it can easily face surface corrosion by the shower room’s humid environment.

It also offers replacement within five years.


  • Air injection technology
  • Contains a multi-function handheld shower head
  • Easily changed from shower mode to spray gun mode
  • Used for cleaning and pet shower
  • Matte black appearance
  • Easily faces surface corrosion by the humid environment in the shower room
  • Offers a replacement within five years


  • The black coating seems to wear off pretty easy

ELLO&ALLO Stainless Steel Shower Panel Tower System, digital Showers

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The shower system water line connection type is 1/2″ FIP, Material, 304 stainless steel body, copper shower faucet, and PVC water pipe constitutes the waterway.

This luxury shower panel has a built-in LED temperature display, LED overhead rainfall showerhead, adjustable high-powered body massage jets, tub spout, and a high-efficiency multi-function handheld shower wand.

It comes with multi-outlet switches which control multiple combinations of water effects, with 4 adjustable jets nozzles for power mist massage and 3-setting handheld shower fixtures

This unit has a shower panel which allows you to turn 2 of them on at the same time if you so desire. The key is water pressure. Copper shower faucet and PVC water pipe constitute the waterway.

Also, it has a limited 2 Year parts warranty from the date of purchase. This warranty is void if the product has been purchased from an unauthorized distributor.


  • It has a copper shower faucet and a PVC water pipe that constitutes the waterway
  • It has a built-in LED temperature display
  • It contains a LED overhead rainfall showerhead
  • Adjustable high-powered body massage jets and a tub spout
  • It comes with a high-efficiency multi-function handheld shower wand
  • Multi-outlet switches which control Multiple Combinations water effects
  • The shower panel allows you to turn 2 of them on at the same time
  • It has a limited 2 Year Parts Warranty From Date of Purchase


  • It may require additional connectors

Hydroluxe 1433 Handheld Showerhead & Rain Shower Combo

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Hydroluxe Pampering 24-setting Ultra-Luxury 3-Way 2 in 1 Shower Combo has an overhead shower-head and handheld shower with a hose. You can use the two shower heads separately or use shower-head and handheld shower both together for a choice of 24 full and combined water flow patterns.

The shower combo has 5 full setting high-power shower head and hand shower which includes: power rain, massage, stay-warm mist, water-saving economy rain, and pause.

It has an oversize 4-inch chrome face, 3-zone click lever dial, rub-clean jets, patented 3-way water diverter with anti-swivel lock nut, and an angle-adjustable overhead bracket.

The shower requires tools-free installation.

Interlink Products International, Inc provides a 10 Year Limited Warranty. This warranty is void if the product has been purchased from an unauthorized distributor.


  • Oversize chrome face
  • 3-zone click lever dial
  • Designed with rub-clean jets
  • Angle-adjustable overhead
  • 5-foot super flexible stainless steel hose
  • 10-year parts warranty
  • Conical brass hose nuts for easy tightening
  • Tool-free installation


  • The pause button does not completely shut the water off

What Should You Consider When Buying a Shower for Unvented Systems?

Plan well if you want your shower to be a luxury experience. Choosing a suitable shower is less straightforward than choosing most other bathroom fixtures and fitting.

Let’s delve into all you need to know about choosing the right shower for your home.

1. Types of Shower

Electric showers heat water on demand, taking it from the mains cold water supply and passing it over a heating element inside the shower unit. On the plus side, you will not run out of hot water with an electric shower.

Mixer showers use hot and cold water supplies, mixing the water in the unit as it leaves the showerhead. These are suited to homes with a combi-boiler or large hot-water cylinder as they rely on readily available hot water. You can add a pump in cases of low water pressure.

Thermostatic showers prevent the risk of scalding (or freezing) when someone turns on a tap elsewhere or flushes a loo. A thermostatic one gives peace-of-mind where children or the elderly are involved.

Digital showers can be controlled by a panel located anywhere within a 10-meter radius of the system.

2. The Water System You Have

Older homes tend to feature gravity systems. These have a hot and cold feed, a cold water tank usually located in the attic, and a hot water cylinder, often found in the airing cupboard.

The cylinder’s contents can be heated by either an external heat source such as a combi boiler or an internal heat source such as an immersion heater. The good news for those with this type of system is that you can fit them with booster pumps to increase the shower’s performance.

3. All-in-One Systems and Cabins

Offering far more in the way of features than a regular shower enclosure, or shower cabins are all-in-one units, incorporating compartment, tray, shower, and body jets. The extra options that most now offer, including LED mood lighting, seating, steam, fragrance, and music, are even double as sunbeds.

Shower panels, or columns, are another trend, featuring controls, shower head, body jets, and various other features in one wall-mounted unit. They use a lot of water, but they will make your bathroom feel like a spa.

4. Consider a Combination Shower Head

A combination set allows you to have both a fixed and a detachable shower head for maximum versatility. There are many different designs available in both contemporary and traditional styles, so it’s easy to find what you want to create your perfect look.

Frequently Asked Questions

1. Can I use a shower pump with an unvented system?

Combi boilers take water directly from the mains supply to deliver water around your home. In an unvented system, there is no cold-water tank. The system can be located in pretty much any area of your home. If you have a combi-boiler, you will not be able to fit a shower pump.

2. What is the best shower for a gravity-fed system?

If you have a gravity water system, you will need a gravity-pumped (GP) smart shower (which comes with an integrated booster pump to ensure good flow). If you have a combination boiler or mains-fed water system, you will need a high-pressure (HP/Combi) smart shower.

3. What is the best shower for low water pressure?

Power showers mix hot and cold water to the optimum temperature. They have an inbuilt pump to increase the water flow rate from a gravity-fed system significantly. It is an excellent option if you have low water pressure.

4. How can I make my gravity-fed shower more powerful?

The only way to improve the situation is to install a booster pump. It effectively turns the shower into a power shower. You could increase the header tank’s height, but this may not resolve the problem if the shower is a high-pressure-only model.

5. Is hot and cold showers good?

Hot showers as therapy are just as effective as cold showers. Hot showers relax the muscles and nerves, leading to the relaxation of the whole body. You can also rub relaxation oil or herbs on your body before stepping into the shower. It will help relieve any muscle pain and help your body release harmful toxins.

6. Why does my shower get hot and cold water?

If your water temperature fluctuates, the pressure-balancing valve might be to blame. Your pressure-balancing valves open and close depending on your water flow in your plumbing system. This pressure drop sends scalding hot and cold water to your shower head.

7. Why is there hot water everywhere but my shower?

If you’re getting hot water everywhere but your shower, it could be that your anti-scald device is set at too high a limit. It’s a “stopper” that limits how far your shower handle can rotate in the hot water direction.

8. Why is my shower mixer not mixing?

The most common faults with mixer showers are: Intermittently running hot and cold. The usual suspects for this problem are a blocked shower head, kinked or damaged shower hose, or blocked inlet filters in the shower itself. It could also be due to faulty non-return valves.

9. How do I fix a low-pressure shower head?

Try removing the flow regulator to improve the water stream. If the problem persists, the low shower pressure may be the result of a water-restrictive shower valve instead of the showerhead itself. Adjusting the central shut-off valve may increase the pressure.

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