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Nabertherm GF-240 Glass Kiln- FREE DELIVERY

5 out of 5 stars (2 Customer Reviews)

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Ref: DE85141080
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Product Information
Nabertherm Kiln GF-240. Single phase or 3-phase fusing kiln with digital programmer.  Free UK and European Delivery. Internal Dimensions: 101cm x 81cm x 40cm (LxWxH)  

Please note: Due to current circumstances, lead times may not be guaranteed. The estimated delivery time for this kiln is approximately 4-6 weeks.

 Buy today to receive these fantastic benefits

platinum discountPlatinum Loyalty Discount Status - 20% off future orders
free glass coaster kitFree Glass Coaster Starter Kit (sent separately from the kiln)
technical supportUnlimited lifetime technical support
free UK deliveryFree delivery of your kiln to most European destinations (see delivery section below)
glass kiln warranty3 year manufacturer's warranty - including elements

The preferred choice of large schools and colleges, this large professional kiln is built in Germany to an excellent standard by Europe’s largest kiln manufacturer.  With a very attractive dual shell stainless steel housing and a clean simple flat table interior which provides a stable fusing surface and ease of access, this kiln is a quality choice. The sturdy rolling stand is a real bonus when moving the kiln around, and the large metal handles on either side make operation easy. Infra-red heating elements mounted on the ceiling with fibre insulation, ensures rapid heat up and cooling rates for optimum results. This is a deep kiln (40cm).

Program Controller C440:


The GF-240 comes with the excellent C440 programmer, it is a versatile and simple to use programmer with either timed firings or degrees per hour, we use one in our studio so we can talk you through programming. The C440 has 10 programs, each with an impressive 20 segments, as well as start delay, skip-button and much more – See the C440 controller download under the main image and videos at the bottom of the product description for more details. 

Chamber Size: The large rectangular chamber is 101 x 81 x 40 cm, and the maximum shelf size is 100 x 80 cm.

The Nabertherm GF-240 is supplied with:

  • The latest C440 Controller
  • Stand (with castors)
  • Optional shelf kit


This kiln requires the installation of a circuit breaker.  This should be fitted by a qualified electrician. We recommend you check the power supply to your kiln's location is suitable before purchasing.

  • Certified CE compliant
  • Power rating 11.0 kW
  • Breaker size: 50 Amp (or 16 Amp per phase)
  • Power supply: Single Phase 240v (3-Phase option available on request)
  • Weight Approx 250Kg (not including base)
  • Maximum Temperature 950ºC.
  • Average cost of a firing £3.80


  • Inner dimensions: 101 x 81cm (rectangular)
  • Chamber depth: 40cm
  • Outer dimensions (including stand): 148 x 115.5 x 140cm (WxDxH)
  • Maximum shelf size – 80 x 100cm

Optional Shelf Kit:

Shelf kit includes the following (optional):
- 4 shelves 490 x 350 x 17mm
- 12 x 50mm cones (props)

GF240 shelf

Please note: The shelves in the above kit supplied from Germany are not the maximum size which will fit the chamber. However if you would rather have 2 larger shelves then we do stock them on this site- these would need to be ordered separately and would incur a crate charge.

Other Information:

This kiln requires the installation of a circuit breaker (similar to a cooker socket).  This should be fitted by a qualified electrician.

This kiln will fit through minimum door width of 90cm (with minor disassembly)

See the pdf downloads under the main image for further information. Please note: the Operating Manual refers to the old GF models.  The new models operate in a very similar way but have larger dimensions, as listed in the Kiln Information Sheet.


Free Delivery: We are pleased to offer free delivery of this kiln to anywhere in the UK, as well as the following European destinations (Mainland only, not islands): Austria, France, Poland, Belgium, Germany, Portugal, Croatia, Hungary, Slovakia, Czech Republic, Ireland, Slovenia, Denmark, Italy, Spain, Estonia, Luxembourg, Sweden, Finland, Netherlands. If you would like this kiln delivered to any destination not listed here, please contact us first before ordering.

Delivery is to your door only and does not include installation. Please consider that you may need help to situate the kiln. 

36 Month Manufacturer's Guarantee:

Nabertherm provides for a guarantee on the furnace function with respect to standard industrial use as well as on spare parts for 36 months starting from the day of delivery. Wear and tear parts (including thermocouple and elements) or damaged parts due to improper use as well as damages due to interaction between furnace components and charge are excluded from the guarantee. The warranty period for repair and service jobs is 6 months.

Kilns contribute towards our discount programme but do not qualify to receive discounts.

For further information about this kiln call Veronica on 01934 756181.

Check out our page on Choosing a Glass Kiln.

Compare this kiln with others in our range.

Read our advice on Setting Up Your Glass Kiln.

Product Reviews
5 out of 5 stars
5 out of 5 stars Monday 07 May, 2012 By Joanne Moore
I have been using my 240 for 5 years and it's never skipped a beat or failed to produce the most perfect firing, it also still looks as good as it did when I bought it.

Whenever I have had questions about firing the people at warm glass have been spot on with their advice. Thank you warm glass
5 out of 5 stars Thursday 14 July, 2011 By Jo Bowen
I have now done over 50 firings with my Nabertherm GF240 kiln. I am so pleased with it. Everything about it has proven to be exceptionally easy. I like the size which is big enough for a decent set of 10 or so moulds for slump firing or alternatively an example would be one large panel and a few test pieces alongside. The programmer has been easy, especially now I have my program codes in place.

I have come to trust Warm Glass as the friendly gurus of the UK glass world, Veronica

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Registered office: 5 Havyat Park, Wrington, Bristol, BS40 5PA, UK
Company Reg No. 5365166. VAT No. 791350132
© Warm Glass UK, 2015-2018
Registered office: 5 Havyat Park, Wrington, Bristol, BS40 5PA, UK
Company Reg No. 5365166. VAT No. 791350132