• CenturaHeat 4-5 Person Diamond Corner Indoor Sauna - 3000W - GymSphere
  • CenturaHeat 4-5 Person Diamond Corner Indoor Sauna - 3000W - GymSphere
  • CenturaHeat 4-5 Person Diamond Corner Indoor Sauna - 3000W - GymSphere
  • CenturaHeat 4-5 Person Diamond Corner Indoor Sauna - 3000W - GymSphere
  • CenturaHeat 4-5 Person Diamond Corner Indoor Sauna - 3000W - GymSphere
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CenturaHeat

CenturaHeat 4-5 Person Diamond Corner Indoor Sauna - 3000W

CenturaHeat 4-5 Person Diamond Corner Indoor Sauna - 3000W

£2,493.00 GBP
£2,493.00 GBP
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Enhance your wellness space with the CenturaHeat 4–5 Person Diamond Infrared Corner Sauna – a stylish blend of modern design and therapeutic function. Crafted from premium Canadian Hemlock, this infrared sauna delivers deep, soothing heat through advanced infrared light therapy, all within a space-efficient diamond-shaped layout. Perfect for families or couples, it transforms everyday relaxation and recovery into a home luxury.

The intelligent corner design maximises seating while minimising floor space, making it an ideal choice for those seeking both practicality and elegance. With integrated audio, app-based controls, and ambient lighting, this infrared sauna is a complete sensory experience.

Key Features

  • Capacity: Comfortably seats 4–5 adults with diamond-shaped seating layout.
  • Dual Control: Manage sessions with the digital panel or mobile app.
  • Premium Audio: FM radio, Bluetooth, USB MP3, and two integrated speakers.
  • Infrared Heating: 3000W carbon panels provide consistent, muscle-relaxing warmth.
  • Ambient Lighting: Includes 2 LED reading lights, 3 roof lights, 1 coloured square light (optional star lights).
  • Air Purification: Oxygen ioniser for cleaner, fresher air.
  • Custom Settings: Adjustable 18–65ºC with 1–99 minute timer.
  • Voltage & Power: 230V, 3000W.
  • Dimensions: 1010 mm (W1) × 880 mm (W2) × 1630 mm (D) × 1900 mm (H).
  • Accessories Included: Bucket & ladle, sand timer, thermo-hygrometer, optional star lighting.

Convenience & Installation
This model is supplied flat-packed with clear instructions and a video guide. Plug-and-play functionality means it connects directly to a standard UK socket for immediate use once assembled.

Why Choose Infrared at Home?
There’s nothing quite like stepping into your own sauna at the end of the day. Unlike public spas, a home sauna is always clean, always private, and always ready. Set the temperature, choose the music, and relax without interruptions or schedules.

Wellness at home isn’t just about heat—it’s about freedom, comfort, and control. With the Diamond Infrared Corner Sauna, relaxation becomes a daily ritual rather than an occasional treat.

Features
  • Weight: 329.5 kg
  • Dimensions: 163 × 101 × 190 cm
  • Capacity: 6–8 people
  • Heater Type: Traditional sauna stove
  • Width: 1010 mm
  • Depth: 1630 mm
  • Height: 1900 mm
  • Power Output: 3000W
FAQ

How much does it cost to run a sauna?
Running costs depend on wattage and usage time. Our saunas range from 2kW to 10kW. On average, an hour’s use costs between £0.50 and £2.50. For more details, use an electricity cost calculator.

What warranties do you offer?

  • Electrical components: 1 year
  • Wooden parts: 2 years

Are the saunas easy to assemble/install?
Yes. All saunas include clear assembly instructions. Most panels are secured with buckles or clamps, with minimal screwing required. Infrared saunas plug into a standard household socket, while traditional steam saunas must be hardwired to the mains by a qualified electrician.

How hot do the saunas get?

  • Traditional steam saunas: 18–99°C, set via the control panel (0–90 mins).
  • Infrared saunas: up to 65°C.

When should I add water to the stones?
Only add water once the stones are fully heated. Adding water too soon reduces steam quality and may damage the heater.

How do I know when the stones are hot enough?
The stones should feel intensely hot when you bring your hand close (without touching). Many heaters also have gauges – wait until it reads at least 300°F (approx. 150°C).

What type of water should I use?
Use clean, distilled water where possible. Tap water with high mineral content may cause limescale build-up over time.

Do I need to take anti-mould precautions?
Generally no, but if your sauna is in a very humid space, keep the area as dry as possible.

What cable size is required?

  • 3000W saunas: 2.5 mm supply cable
  • 4500W saunas: 4 mm supply cable

Do I need an RCD for a steam sauna?
Yes, RCD protection is required. Please consult a qualified electrician.

Is the sauna delivered assembled?
No, saunas are delivered flat-packed. Assembly is simple, with video and PDF guides included.

How long does it take to heat up?
At an ambient temperature of 10°C:

  • ~15 minutes to reach 50°C
  • ~30 minutes to reach 70°C

Does the exterior timber get hot?
The outside becomes warm but remains safe to touch, even for children.

Can the exterior be painted?
Yes, it can be painted with suitable wood-coloured paint.

What type of wood is used?
All our saunas are crafted from Canadian Hemlock.

What is an oxygen ioniser?
An optional negative ion generator that freshens the air. Please contact us for pricing.

Are stones included with the heater?
Yes, sauna stones are supplied – rinse thoroughly before use.

Does the control system include a mobile app?
Yes, the control panel includes app connectivity. Please check the product description for confirmation.

How much do replacement heater elements cost?
Please contact us for current pricing on replacement parts.

Delivery

Most saunas are delivered in 3–5 flat-packed boxes or in a single wooden crate (please see the table below for details).

This product is delivered to kerbside only. The driver is not required to carry the package beyond this point.

Packaging Information

  • Sauna Type: Corner Saunas
  • Weight: 350 kg+
  • Number of Boxes: 3–7
  • Format: Flat-packed
View full details
Description

Enhance your wellness space with the CenturaHeat 4–5 Person Diamond Infrared Corner Sauna – a stylish blend of modern design and therapeutic function. Crafted from premium Canadian Hemlock, this infrared sauna delivers deep, soothing heat through advanced infrared light therapy, all within a space-efficient diamond-shaped layout. Perfect for families or couples, it transforms everyday relaxation and recovery into a home luxury.

The intelligent corner design maximises seating while minimising floor space, making it an ideal choice for those seeking both practicality and elegance. With integrated audio, app-based controls, and ambient lighting, this infrared sauna is a complete sensory experience.

Key Features

  • Capacity: Comfortably seats 4–5 adults with diamond-shaped seating layout.
  • Dual Control: Manage sessions with the digital panel or mobile app.
  • Premium Audio: FM radio, Bluetooth, USB MP3, and two integrated speakers.
  • Infrared Heating: 3000W carbon panels provide consistent, muscle-relaxing warmth.
  • Ambient Lighting: Includes 2 LED reading lights, 3 roof lights, 1 coloured square light (optional star lights).
  • Air Purification: Oxygen ioniser for cleaner, fresher air.
  • Custom Settings: Adjustable 18–65ºC with 1–99 minute timer.
  • Voltage & Power: 230V, 3000W.
  • Dimensions: 1010 mm (W1) × 880 mm (W2) × 1630 mm (D) × 1900 mm (H).
  • Accessories Included: Bucket & ladle, sand timer, thermo-hygrometer, optional star lighting.

Convenience & Installation
This model is supplied flat-packed with clear instructions and a video guide. Plug-and-play functionality means it connects directly to a standard UK socket for immediate use once assembled.

Why Choose Infrared at Home?
There’s nothing quite like stepping into your own sauna at the end of the day. Unlike public spas, a home sauna is always clean, always private, and always ready. Set the temperature, choose the music, and relax without interruptions or schedules.

Wellness at home isn’t just about heat—it’s about freedom, comfort, and control. With the Diamond Infrared Corner Sauna, relaxation becomes a daily ritual rather than an occasional treat.

Features
  • Weight: 329.5 kg
  • Dimensions: 163 × 101 × 190 cm
  • Capacity: 6–8 people
  • Heater Type: Traditional sauna stove
  • Width: 1010 mm
  • Depth: 1630 mm
  • Height: 1900 mm
  • Power Output: 3000W
FAQ

How much does it cost to run a sauna?
Running costs depend on wattage and usage time. Our saunas range from 2kW to 10kW. On average, an hour’s use costs between £0.50 and £2.50. For more details, use an electricity cost calculator.

What warranties do you offer?

  • Electrical components: 1 year
  • Wooden parts: 2 years

Are the saunas easy to assemble/install?
Yes. All saunas include clear assembly instructions. Most panels are secured with buckles or clamps, with minimal screwing required. Infrared saunas plug into a standard household socket, while traditional steam saunas must be hardwired to the mains by a qualified electrician.

How hot do the saunas get?

  • Traditional steam saunas: 18–99°C, set via the control panel (0–90 mins).
  • Infrared saunas: up to 65°C.

When should I add water to the stones?
Only add water once the stones are fully heated. Adding water too soon reduces steam quality and may damage the heater.

How do I know when the stones are hot enough?
The stones should feel intensely hot when you bring your hand close (without touching). Many heaters also have gauges – wait until it reads at least 300°F (approx. 150°C).

What type of water should I use?
Use clean, distilled water where possible. Tap water with high mineral content may cause limescale build-up over time.

Do I need to take anti-mould precautions?
Generally no, but if your sauna is in a very humid space, keep the area as dry as possible.

What cable size is required?

  • 3000W saunas: 2.5 mm supply cable
  • 4500W saunas: 4 mm supply cable

Do I need an RCD for a steam sauna?
Yes, RCD protection is required. Please consult a qualified electrician.

Is the sauna delivered assembled?
No, saunas are delivered flat-packed. Assembly is simple, with video and PDF guides included.

How long does it take to heat up?
At an ambient temperature of 10°C:

  • ~15 minutes to reach 50°C
  • ~30 minutes to reach 70°C

Does the exterior timber get hot?
The outside becomes warm but remains safe to touch, even for children.

Can the exterior be painted?
Yes, it can be painted with suitable wood-coloured paint.

What type of wood is used?
All our saunas are crafted from Canadian Hemlock.

What is an oxygen ioniser?
An optional negative ion generator that freshens the air. Please contact us for pricing.

Are stones included with the heater?
Yes, sauna stones are supplied – rinse thoroughly before use.

Does the control system include a mobile app?
Yes, the control panel includes app connectivity. Please check the product description for confirmation.

How much do replacement heater elements cost?
Please contact us for current pricing on replacement parts.

Delivery

Most saunas are delivered in 3–5 flat-packed boxes or in a single wooden crate (please see the table below for details).

This product is delivered to kerbside only. The driver is not required to carry the package beyond this point.

Packaging Information

  • Sauna Type: Corner Saunas
  • Weight: 350 kg+
  • Number of Boxes: 3–7
  • Format: Flat-packed
Price Match, Delivery & Returns

Price Match Promise:
We’re committed to fair, competitive pricing. If you find the same product for less from an authorised UK retailer, we’ll review it and match where possible - see our price match policy for full details and conditions.

UK Mainland Delivery:

  • We offer free UK mainland delivery on all orders over £250.
  • Orders under £250 are subject to a flat rate of £7.99.

Remote Areas & Offshore Locations:
Additional charges may apply for deliveries to:

  • Scottish Highlands and Islands
  • Northern Ireland
  • Isle of Man, Isle of Wight, Channel Islands, and other offshore UK territories

Delivery times to these areas may also take slightly longer.

International Shipping:
At present, GymSphere delivers to UK addresses only. For international enquiries, please contact our customer support team before placing your order.

Order Confirmation: 
When you place an order, we process payment immediately at checkout. Once your payment has been successfully processed, you will receive an order confirmation email containing your order details.

Pre-Orders: 
When you purchase a pre-order item, you are reserving a soon-to-be-available product not yet in stock. Full payment is processed at the time of purchase to secure your item.

Estimated delivery times are provided on the product page, and we will keep you updated throughout.

You may cancel a pre-order that has not yet been fulfilled for a full refund. If your pre-order has already been fulfilled, you can still request a return upon receipt of the item, see our returns policy for more details.

Backorder:
When you purchase a backorder item, you are reserving an out-of-stock product not currently in inventory. Full payment is processed at the time of purchase to secure your item for the next available shipment.

Estimated delivery times are provided on the product page, and we will keep you updated throughout.

You may cancel a backorder that has not yet been fulfilled for a full refund. If your backorder has already been fulfilled, you can still request a return upon receipt of the item, see our returns policy for more details.

Order Delivery: 
If your item is in stock and available for dispatch, your payment will be processed, and your order will usually be dispatched within 5 working days. Delivery typically occurs within 3 working days of dispatch (UK mainland).

You will receive tracking details by email within 24 hours of dispatch.

If you have not received tracking information within 6 working days of placing your order, please email contact@gymsphere.co.uk and we will be happy to assist.

If, for any reason, your order is expected to be delayed, we’ll contact you promptly to update you and discuss next steps.

Lost or Damaged: 
Please carefully inspect all items at the point of delivery. If any items appear damaged, we strongly recommend not accepting the delivery.

If you discover damage after accepting delivery, please email clear photographs of the affected items to contact@gymsphere.co.uk so we can raise an insurance claim on your behalf.

In the unlikely event that an item is lost in transit, we will investigate with our courier. Once confirmed, we will either issue a full refund or send a replacement free of charge

Cancellations & Refunds: 
If your order has not yet been processed for dispatch, you may request cancellation. Your payment will be refunded in full to your original payment method within 14 days of confirmation.

Refunds can only be made to the original payment method used at checkout.

Right to Cancel: 
You have the legal right to cancel your order within 14 days of receiving your goods for any reason. At GymSphere, we go further - offering a 30-day returns period for added flexibility and peace of mind.

To start a return, please contact us at contact@gymsphere.co.uk. Once items are returned in their original condition and packaging, we’ll process your full refund within 14 days of receiving the returned goods.

Please note that this right does not apply to:

  • Custom-made or personalised products
  • Goods that have been installed or assembled
  • Products that cannot be returned for hygiene reasons once opened (e.g. certain wellness items)

For standard returns that are not due to damage, fault, or error, a £50 handling and restocking fee may apply to cover inspection and repacking costs. This fee reflects the direct cost of inspection and repackaging and is not applied to faulty or damaged returns

All other returns are free of charge.

Business Orders:
These terms apply to consumer purchases only. Trade and commercial orders may be subject to separate terms and conditions.

Contact Us
Please contact our support team:

📧 contact@gymsphere.co.uk

📞 0333 090 5975

You can also use our contact form here

Or via post at:

SC Ecommerce Ltd
128 City Road, London,
EC1V 2NX
Company Number: 16313019