{"product_id":"l-l-cone-12-kiln-jd18-jh-for-crystalline-glaze-fi-lkjd18jh","title":"L\u0026L JD18-JH Cone 12 Kiln:  For Crystalline Glaze Firing","description":"\u003cstyle\u003e@media (max-width:600px){.sp-kiln-callout{float:none!important;margin:14px auto 18px auto!important;}}\u003c\/style\u003e\u003ch2 class=\"abz-seo-product\"\u003eL\u0026amp;L CONE 12 KILN: JD18-JH for Crystalline Glaze Firing\u003c\/h2\u003e\u003cspan class=\"sp-kiln-callout\" style=\"display:block;float:none;margin:14px auto 18px auto;width:290px;max-width:100%;box-sizing:border-box;border:2px solid #1f2a6b;border-radius:12px;overflow:hidden;background:#ffffff;text-align:center;font-family:Arial,Helvetica,sans-serif;font-weight:400;font-style:normal;font-variant:normal;text-transform:none;letter-spacing:normal;word-spacing:normal;text-indent:0;text-decoration:none;white-space:normal;box-shadow:0 3px 10px rgba(31,42,107,0.22);\"\u003e\u003cspan style=\"display:block;background:#1f2a6b;background:linear-gradient(135deg,#1f2a6b 0%,#3f51b5 100%);padding:12px 14px;color:#ffffff;\"\u003e\u003cspan style=\"display:inline-block;vertical-align:middle;width:38px;height:38px;line-height:38px;margin:0 10px 0 0;border-radius:50%;background:#ffffff;color:#1f2a6b;font-size:22px;\"\u003e☎︎\u003c\/span\u003e\u003cspan style=\"display:inline-block;vertical-align:middle;max-width:190px;font-size:16px;font-weight:700;line-height:1.25;color:#ffffff;text-align:left;\"\u003eCall us to speak to one of our kiln experts\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"display:block;padding:12px 14px 12px;color:#222222;\"\u003e\u003cspan style=\"display:block;font-size:13px;line-height:1.4;color:#222222;\"\u003eLet us help guide you to the right kiln for your needs!\u003c\/span\u003e\u003ca href=\"tel:+18887742529\" style=\"display:block;margin:10px 0 8px;padding:8px 6px;border-radius:8px;background:#c8452d;color:#ffffff;font-size:22px;font-weight:700;line-height:1.2;letter-spacing:.02em;text-decoration:none;\"\u003e(888) 774-2529\u003c\/a\u003e\u003cspan style=\"display:block;font-size:12px;line-height:1.4;color:#444444;\"\u003eWe are available 8:30 – 5:00 EST\u003c\/span\u003e\u003cspan style=\"display:block;font-size:12px;line-height:1.4;color:#444444;margin-top:3px;\"\u003eLeave a message after hours with name, number, and the best time for us to call you back.\u003c\/span\u003e\u003cspan style=\"display:block;margin-top:9px;padding-top:7px;border-top:1px solid #dddddd;font-size:12px;line-height:1.3;color:#1f2a6b;\"\u003e\u003cstrong style=\"font-weight:700;\"\u003eSheffield Pottery\u003c\/strong\u003e · Since 1946\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003ch2 class=\"abz-seo-product\"\u003eL\u0026amp;L JHZ and JH SERIES KILNS: CONE 12 Kilns\u003c\/h2\u003e\n\u003cp\u003eThis is the “Thoroughbred” of kilns. Designed specifically for Crystalline Glaze firing - fast, responsive and precise.\u003c\/p\u003e\n\u003cp\u003eThe JH kilns were designed specifically for firing crystalline glaze. They feature special higher temperature firebrick for extra high cone 12 firing, extra power for fast heat up, super heavy-duty elements to hold up to the special rigors of crystalline firing, minimal insulation to allow for fast cool down, and type S thermocouples for long life.\u003c\/p\u003e\n\u003cp\u003eJH SERIES\u003c\/p\u003e\n\u003cp\u003eCRYSTALLINE GLAZE CONE 12 KILNS \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0677\/5508\/2050\/files\/240-000-25-2_20JD18-JH.3224.jpg?v=1684735903\" width=\"284\" height=\"426\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eTemperature Rating:\u003c\/b\u003e Cone 12, 2400°F, 1315°C\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003ePower Loading:\u003c\/b\u003e These kilns come with approximately 25% more power than a regular kiln of similar size. Loading: Lid position, when open, rests at an angle away from the kiln. Hinge: The hinge of the JD18-JH is not spring-loaded.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eStand:\u003c\/b\u003eHeavy-duty 14 gauge full solid stand with multiple bends for strength. Bolt on legs.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eAssembly: \u003c\/b\u003eTwo or three 9” high sections stack on top of each other. Easy to assemble. Bottom is reversible.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eConstruction:\u003c\/b\u003e Stainless steel wrapped around brick with 3 clamps on each section. All stainless screws.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eInsulation:\u003c\/b\u003e 2-1\/2” K25 firebrick. on side and bottom, 3” K25 on top. K25 brick is rated for 2500 Deg F, is deniser than K23 brick and is more durable.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eBrick Coating:\u003c\/b\u003e Proprietary brick coating included.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eElement Holders: \u003c\/b\u003eHard ceramic element holders protect brick.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQuad Element Design:\u003c\/b\u003e Super Heavy-duty, thick elements with 4 wraps per 9” high section.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eElement Connections:\u003c\/b\u003e Proprietary all-ceramic element connection block makes changing elements easy.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eControl Panel: \u003c\/b\u003eAll controls and components are mounted in a separate control panel. Mounting and type of panel vary with model number. The control panel and element box are hinged for easy access and maintenance. Control box can be easily removed for servicing. On\/off switch and control fuse are included.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eControl: \u003c\/b\u003eDynaTrol with 4 Easy-Fire programs, 6 Vary-Fire programs, PreHeat, Delay, Program \u0026amp; Segment Review, and Diagnostics. Two programs can be combined for one 16 segment program.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eZone Control: \u003c\/b\u003eTwo or three zone (one zone per kiln section) Each zone has a separate thermocouple.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003ePeephole Plugs:\u003c\/b\u003e Solid ceramic plugs with full 1” diameter. One per section.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eThermocouples: \u003c\/b\u003eType S with alumina protection tubes.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003ePower Cord\/Plug: \u003c\/b\u003eSee specifications.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eInstructions:\u003c\/b\u003e Complete visual instructions with control reference, process information, assembly, troubleshooting, and parts list. In addition videos on Youtube shows how how to program.\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv class=\"responsive-table\"\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cb\u003eOPTIONS\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKISS Software:\u003c\/b\u003e This is to monitor and control the firing from your computer. It is particularly good for maintaining an accurate log of your firing cycles.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFurniture\/Shelves Kit:\u003c\/b\u003e All furniture kits include six each 1\/2”, 1”, 2” 4”, 6” and 8” high 1-1\/2” square cordierite posts, heat-resistant gloves\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eVent System:\u003c\/b\u003eVent-Sure downdraft vent\u003c\/p\u003e","brand":"L\u0026L Kilns","offers":[{"title":"Default Title","offer_id":45113410683202,"sku":"LKJD18JH","price":4659.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/5508\/2050\/files\/JD18-JH.jpg?v=1723577039","url":"https:\/\/www.sheffield-pottery.live\/products\/l-l-cone-12-kiln-jd18-jh-for-crystalline-glaze-fi-lkjd18jh","provider":"Sheffield Pottery Inc.","version":"1.0","type":"link"}