{"product_id":"evenheat-knife-oven-ko-18","title":"Evenheat Knife Oven - KO 18","description":"\u003cstyle\u003e\n.d{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Arial,sans-serif;color:#111;line-height:1.6;width:100%;max-width:100%;display:block!important}\n.d *{box-sizing:border-box}\n.d-intro{padding-bottom:36px;margin-bottom:44px;border-bottom:2px solid #111;display:block}\n.d-kicker{font-size:0.72em;letter-spacing:0.16em;text-transform:uppercase;color:#FF8C42;font-weight:700;margin-bottom:12px;display:block}\n.d-title{font-size:1.9em;font-weight:700;color:#000;line-height:1.15;margin-bottom:12px;display:block}\n.d-meta{font-size:0.88em;color:#888;display:block;margin-bottom:20px}\n.d-meta b{color:#bbb;margin:0 7px;font-weight:400}\n.d-lead{font-size:0.97em;color:#444;line-height:1.9;display:block}\n.d-glance{display:grid!important;grid-template-columns:repeat(4,1fr);border:1px solid #e0e0e0;margin-bottom:64px}\n.d-gi{padding:16px 18px;border-right:1px solid 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#e8e8e8;display:block}\n.d-faq-item:last-child{border-bottom:none;padding-bottom:0}\n.d-q{font-size:0.88em;font-weight:700;color:#111;margin-bottom:9px;display:block}\n.d-a{font-size:0.84em;color:#555;line-height:1.85;display:block}\n.d-cta{background:#f5f0eb;border:1px solid #e0d5c8;border-left:3px solid #FF8C42;padding:28px 32px;margin-top:52px;display:flex!important;justify-content:space-between;align-items:center;gap:24px}\n.d-cta-title{font-size:0.97em;font-weight:700;color:#111;display:block;margin-bottom:6px}\n.d-cta-sub{font-size:0.84em;color:#555;line-height:1.65;display:block}\n.d-cta-link{font-size:0.72em;letter-spacing:0.12em;text-transform:uppercase;color:#FF8C42;font-weight:700;text-decoration:none;white-space:nowrap;flex-shrink:0;border:1px solid #FF8C42;padding:10px 16px;display:inline-block}\n.d-cta-link:hover{background:#FF8C42;color:#fff}\n@media(max-width:640px){.d-glance,.d-grid2,.d-uf{grid-template-columns:1fr 1fr}.d-gi:nth-child(2){border-right:none}.d-gi:nth-child(-n+2){border-bottom:1px solid #e0e0e0}.d-cell,.d-uf li{border-right:none!important}.d-sr{grid-template-columns:1fr}.d-sk{border-right:none;border-bottom:1px solid #e8e8e8;padding-bottom:4px}.d-cta{flex-direction:column;align-items:flex-start}}\n\u003c\/style\u003e\n\n\u003cdiv class=\"d\"\u003e\n\n\u003cdiv class=\"d-intro\"\u003e\n  \u003cspan class=\"d-kicker\"\u003eEvenheat  ·  Heat Treating Oven  ·  KO Series\u003c\/span\u003e\n  \u003cspan class=\"d-title\"\u003eEvenheat Knife Oven - KO 18\u003c\/span\u003e\n  \u003cspan class=\"d-meta\"\u003eModel EH-KO-18 \u003cb\u003e·\u003c\/b\u003e 240V \u003cb\u003e·\u003c\/b\u003e 18\" depth chamber \u003cb\u003e·\u003c\/b\u003e 2400°F max\u003c\/span\u003e\n  \u003cspan class=\"d-lead\"\u003eThe KO 18 is the most popular heat treating oven in the KO Series, engineered specifically for knife makers and machinists who need precise, repeatable hardening cycles. Built with 3\" firebrick insulation and special high-temperature element alloy, it reaches 2400°F with faster heat-up times and tighter temperature control than standard ovens. The side-opening door design keeps the super-heated door away from you during critical quenching operations.\u003c\/span\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"d-glance\"\u003e\n  \u003cdiv class=\"d-gi\"\u003e\n\u003cspan class=\"d-gl\"\u003eMax Temp\u003c\/span\u003e\u003cspan class=\"d-gv\"\u003e2400°F\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"d-gi\"\u003e\n\u003cspan class=\"d-gl\"\u003eChamber\u003c\/span\u003e\u003cspan class=\"d-gv\"\u003e18\" depth\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"d-gi\"\u003e\n\u003cspan class=\"d-gl\"\u003eVoltage\u003c\/span\u003e\u003cspan class=\"d-gv\"\u003e240V\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"d-gi\"\u003e\n\u003cspan class=\"d-gl\"\u003eBrick\u003c\/span\u003e\u003cspan class=\"d-gv\"\u003e3\" firebrick\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"d-section\"\u003e\n  \u003cdiv class=\"d-sh\"\u003eWhat’s included\u003c\/div\u003e\n  \u003cdiv class=\"d-grid2\"\u003e\n    \u003cdiv class=\"d-cell\"\u003e\n\u003cspan class=\"d-cn\"\u003eSide-Opening Door\u003c\/span\u003e\u003cspan class=\"d-cd\"\u003eFull 180° swing puts the super-heated door well away from you during quenching operations. Spring-loaded phenolic handle stays cool to the touch and serves as both handle and latch.\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"d-cell\"\u003e\n\u003cspan class=\"d-cn\"\u003e3\" Firebrick Construction\u003c\/span\u003e\u003cspan class=\"d-cd\"\u003eThicker than standard 2.5\" brick, using Thermal Ceramics insulating firebrick made exclusively in Augusta, Georgia. Provides faster heat-up and higher temperature potential.\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"d-cell\"\u003e\n\u003cspan class=\"d-cn\"\u003eHigh-Temperature Element Wire\u003c\/span\u003e\u003cspan class=\"d-cd\"\u003eSpecial alloy normally reserved for high-temperature ceramic kilns, engineered to perform reliably at 2400°F maximum temperature for all steel types.\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"d-cell\"\u003e\n\u003cspan class=\"d-cn\"\u003eDoor Shield\u003c\/span\u003e\u003cspan class=\"d-cd\"\u003eProtects firebrick from damage while reducing the temperature at the door and handle area for safer operation.\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"d-cell\"\u003e\n\u003cspan class=\"d-cn\"\u003eSwing View Control Enclosure\u003c\/span\u003e\u003cspan class=\"d-cd\"\u003ePivoting, adjustable control housing lets you rotate the controller to your preferred viewing angle during programming, then lay it flat for across-the-shop visibility.\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"d-cell\"\u003e\n\u003cspan class=\"d-cn\"\u003eReinforced Stand with Tool Rest\u003c\/span\u003e\u003cspan class=\"d-cd\"\u003eUpgraded heavy-duty stand design with integrated tool rest for tongs, gloves, and other heat treating accessories.\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"d-section\"\u003e\n  \u003cdiv class=\"d-sh\"\u003eTechnical specifications\u003c\/div\u003e\n  \u003cdiv class=\"d-specs\"\u003e\n    \u003cdiv class=\"d-sr\"\u003e\n\u003cspan class=\"d-sk\"\u003eModel\u003c\/span\u003e\u003cspan class=\"d-sv\"\u003eKO 18\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"d-sr\"\u003e\n\u003cspan class=\"d-sk\"\u003eSKU\u003c\/span\u003e\u003cspan class=\"d-sv\"\u003eEH-KO-18\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"d-sr\"\u003e\n\u003cspan class=\"d-sk\"\u003eChamber dimensions\u003c\/span\u003e\u003cspan class=\"d-sv\"\u003e18\" depth (contact for full dimensions)\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"d-sr\"\u003e\n\u003cspan class=\"d-sk\"\u003eCubic feet\u003c\/span\u003e\u003cspan class=\"d-sv\"\u003eContact for specification\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"d-sr\"\u003e\n\u003cspan class=\"d-sk\"\u003eMaximum temperature\u003c\/span\u003e\u003cspan class=\"d-sv\"\u003e2400°F (1316°C)\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"d-sr\"\u003e\n\u003cspan class=\"d-sk\"\u003eVoltage\u003c\/span\u003e\u003cspan class=\"d-sv\"\u003e240V\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"d-sr\"\u003e\n\u003cspan class=\"d-sk\"\u003eAmperage\u003c\/span\u003e\u003cspan class=\"d-sv\"\u003eContact for specification\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"d-sr\"\u003e\n\u003cspan class=\"d-sk\"\u003eWatts\u003c\/span\u003e\u003cspan class=\"d-sv\"\u003eContact for specification\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"d-sr\"\u003e\n\u003cspan class=\"d-sk\"\u003eBrick thickness\u003c\/span\u003e\u003cspan class=\"d-sv\"\u003e3\" insulating firebrick\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"d-sr\"\u003e\n\u003cspan class=\"d-sk\"\u003eEstimated shipping weight\u003c\/span\u003e\u003cspan class=\"d-sv\"\u003eContact for specification\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"d-sr\"\u003e\n\u003cspan class=\"d-sk\"\u003eWarranty\u003c\/span\u003e\u003cspan class=\"d-sv\"\u003e2-year limited (registration required within 30 days)\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cspan class=\"d-warranty\"\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e Two-year limited warranty from Evenheat. Must be registered within 30 days of delivery. Valid only through authorized dealers — Peach State Pottery is an authorized Evenheat dealer.\u003c\/span\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"d-section\"\u003e\n  \u003cdiv class=\"d-sh\"\u003eOptional accessories\u003c\/div\u003e\n  \u003cdiv class=\"d-grid2\"\u003e\n    \u003cdiv class=\"d-cell\"\u003e\n\u003cspan class=\"d-cn\"\u003eQuiet Drive Solid State Relay\u003c\/span\u003e\u003cspan class=\"d-cd\"\u003ePatented technology with no moving parts, fires 60 times per second for ultra-tight temperature control. Essential upgrade for precision heat treating work.\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"d-cell\"\u003e\n\u003cspan class=\"d-cn\"\u003eAdditional Shelves\u003c\/span\u003e\u003cspan class=\"d-cd\"\u003eExtra firebrick shelves for stacking multiple blades or parts during heat treating cycles.\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"d-cell\"\u003e\n\u003cspan class=\"d-cn\"\u003eShelf Supports\u003c\/span\u003e\u003cspan class=\"d-cd\"\u003eHigh-temperature supports and posts for custom shelf configurations inside the chamber.\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"d-cell\"\u003e\n\u003cspan class=\"d-cn\"\u003eStainless Steel Tongs\u003c\/span\u003e\u003cspan class=\"d-cd\"\u003eHeat-resistant tongs designed for safely handling blades and parts during quenching operations.\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"d-cell\"\u003e\n\u003cspan class=\"d-cn\"\u003eChamber Repair Kit\u003c\/span\u003e\u003cspan class=\"d-cd\"\u003eReplacement firebrick and patching materials for maintaining your oven over years of use.\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"d-cell\"\u003e\n\u003cspan class=\"d-cn\"\u003eReplacement Elements\u003c\/span\u003e\u003cspan class=\"d-cd\"\u003eSpare high-temperature element wire sets to minimize downtime during routine maintenance.\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"d-section\"\u003e\n  \u003cdiv class=\"d-sh\"\u003eController upgrades\u003c\/div\u003e\n  \u003cdiv class=\"d-upgrade\"\u003e\n    \u003cdiv class=\"d-utop\"\u003e\n\u003cspan class=\"d-un\"\u003eTAP Touchscreen — SDS Industries\u003c\/span\u003e\u003cspan class=\"d-ut\"\u003eTop Tier\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cspan class=\"d-ud\"\u003eFor knife makers running complex hardening and tempering cycles, TAP delivers unlimited program storage and real-time mobile monitoring so you can manage multi-stage heat treating schedules with confidence. Monitor austenitizing temps from anywhere in the shop and get alerts when it's time to quench.\u003c\/span\u003e\n    \u003cul class=\"d-uf\"\u003e\n      \u003cli\u003eUnlimited programs and firing steps\u003c\/li\u003e\n      \u003cli\u003eTAP mobile app — monitor from your phone\u003c\/li\u003e\n      \u003cli\u003ePush notifications when firing completes\u003c\/li\u003e\n      \u003cli\u003eAdjust temp or add time mid-firing\u003c\/li\u003e\n      \u003cli\u003eAuto-updates over Wi-Fi\u003c\/li\u003e\n      \u003cli\u003eFiring logs and maintenance schedules\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"d-upgrade\"\u003e\n    \u003cdiv class=\"d-utop\"\u003e\n\u003cspan class=\"d-un\"\u003eGenesis Spark — Bartlett Instruments\u003c\/span\u003e\u003cspan class=\"d-ut\"\u003eGreat Value\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cspan class=\"d-ud\"\u003eThe Genesis Spark offers professional-grade control at a mid-range price, perfect for blade smiths who need reliable ramp-and-hold programming without the cost of the TAP system. Touchscreen operation and Wi-Fi diagnostics deliver modern convenience with proven Bartlett reliability.\u003c\/span\u003e\n    \u003cul class=\"d-uf\"\u003e\n      \u003cli\u003e30 programs × 32 segments each\u003c\/li\u003e\n      \u003cli\u003e3.2″ color touchscreen display\u003c\/li\u003e\n      \u003cli\u003eWi-Fi for remote updates and diagnostics\u003c\/li\u003e\n      \u003cli\u003eCone fire and ramp\/hold modes\u003c\/li\u003e\n      \u003cli\u003ePreheat capability built in\u003c\/li\u003e\n      \u003cli\u003eAdjust firing in real time\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"d-section\"\u003e\n  \u003cdiv class=\"d-sh\"\u003eCommon questions\u003c\/div\u003e\n  \u003cdiv class=\"d-faq-item\"\u003e\n\u003cspan class=\"d-q\"\u003eWhat steels can I heat treat in the KO 18 at 2400°F?\u003c\/span\u003e\u003cspan class=\"d-a\"\u003eAt 2400°F maximum, the KO 18 handles virtually every blade steel including high-carbon steels (1095, 1084, O1), stainless steels (440C, AEB-L, 154CM), and even high-alloy tool steels and powdered metallurgy steels. This temperature range covers austenitizing requirements for all common knife making alloys and most exotic alloys.\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"d-faq-item\"\u003e\n\u003cspan class=\"d-q\"\u003eWhy is the side-opening door better than a drop-down door?\u003c\/span\u003e\u003cspan class=\"d-a\"\u003eDuring quenching, you need to quickly remove super-heated blades from the chamber. A drop-down door stays directly in front of you, radiating intense heat at your hands and face. The side-opening door swings a full 180° away, keeping that radiant heat well to the side while you focus on safely grabbing and quenching your work. The front-mounted cool-touch handle is also easier to operate one-handed while holding tongs.\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"d-faq-item\"\u003e\n\u003cspan class=\"d-q\"\u003eHow does the 3\" firebrick improve performance?\u003c\/span\u003e\u003cspan class=\"d-a\"\u003eThe extra half-inch of insulation compared to standard 2.5\" brick reduces heat loss, which translates to faster heat-up times, more stable holding temperatures, and lower energy costs per cycle. For heat treating where precise temperature control is critical, this improved insulation helps the controller maintain tighter tolerances, especially during long soak times at austenitizing temperatures.\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"d-faq-item\"\u003e\n\u003cspan class=\"d-q\"\u003eDo I need the Quiet Drive Solid State Relay upgrade?\u003c\/span\u003e\u003cspan class=\"d-a\"\u003eFor precision heat treating work, yes. The Quiet Drive SSR fires 60 times per second with no moving parts, delivering much tighter temperature control than mechanical contactors. This means less temperature swing during critical soak phases, more repeatable results across batches, and quieter operation. For professional knife makers or anyone doing production heat treating, it's worth the investment.\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"d-faq-item\"\u003e\n\u003cspan class=\"d-q\"\u003eDoes buying from Peach State Pottery affect my warranty?\u003c\/span\u003e\u003cspan class=\"d-a\"\u003eNo. We are an authorized Evenheat dealer. Your two-year warranty is fully valid and you have direct access to Evenheat’s support team. Buying from an unauthorized seller can void your warranty entirely.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"d-cta\"\u003e\n  \u003cdiv\u003e\n    \u003cspan class=\"d-cta-title\"\u003eNot sure if the EH-KO-18 is right for you?\u003c\/span\u003e\n    \u003cspan class=\"d-cta-sub\"\u003eWe’re authorized Evenheat dealers based in Atlanta. Call, email, or chat — we’ll give you a straight answer about specs, sizing, and accessories before you spend a dollar.\u003c\/span\u003e\n  \u003c\/div\u003e\n  \u003ca href=\"https:\/\/peachstatepottery.com\/pages\/contact-us\" class=\"d-cta-link\"\u003eTalk to an expert →\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Evenheat","offers":[{"title":"Default Title","offer_id":48721668997275,"sku":"EH-KO-18","price":2599.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7160\/9243\/files\/evenheat-evenheat-knife-oven-ko-18-kiln-soul-ceramics_34577398-17be-4d50-8040-12f61cdf6d40.jpg?v=1781045959","url":"https:\/\/peachstatepottery.com\/products\/evenheat-knife-oven-ko-18","provider":"Peach State Pottery","version":"1.0","type":"link"}