The New Mercury is one of Potterycrafts entry level TopLoading kilns, these are ideal for domestic situations and professional studios working on a small scale. This price includes the single programmable controller. These kilns are constructed of a low thermal mass 63.5mmthick insulation brick with a 19mm backup insulation this is then enclosed within a high grade folded stainless steel outer jacket. The kiln lid andbase are constructed of the same high quality low thermal mass insulation brick which is 65mm thick. Heavy duty Kanthal A1 spiral wound elements are used to heat the kiln, the elements are located in grooves around the side wallsof the kiln to allow uniform heat distribution throughout the chamber. All top loading kilns are now fitted with 76mm castors for greater ease of movement, and two vent holes to assist with venting / cooling of the kiln during thefiring process, one in the lid and a permanent vent on the side of the kiln via a chimney that can be ducted to atmosphere if required. Potterycrafts Mercury kilns are now fitted with a larger revised front box to give greater airflow over the kilns electrical components throughout the firing process and to house the kilns captive interlock safety switch. In addition this range of kilns is now fitted with two contactors to give greater protection against possibleoverfires, when used in conjunction with our range of microprocessor controllers. All hobby kilns incorporate a floatinghinge on the kiln lid to allow the kiln to expand freely during the firing process. This reduces the risk of cracking. All Potterycrafts kilns carry a three year warranty (excluding elements) Max temp. 1300˚C Internal dimensions : 40cm wide x 22.8cm high External dimensions : 55.9cm wide x 67.9cm deep x 48cm high weight 42Kg Delivery 2-4 weeks