{"title":"New Product Launch","description":"","products":[{"product_id":"jewelry-casting-burnout-furnace-oven-with-observation-window-machine","title":"PHYHOO Jewelry Flask Preheating Furnace | 1500W PID Kiln with Observation Window","description":"\u003cdiv style=\"font-family:inherit; color:inherit;\"\u003e\n\n\u003cp style=\"font-size:16px; line-height:1.8; margin-bottom:1.25rem;\"\u003eProfessional 1500W jewelry flask preheating furnace with intelligent PID temperature control and observation window — engineered for investment mold preparation in jewelry casting studios, reaching 800°C in just 30 minutes.\u003c\/p\u003e\n\n\u003ch2 style=\"font-size:20px; font-weight:600; margin-top:2rem; margin-bottom:0.75rem; line-height:1.4;\"\u003eKey Selling Points\u003c\/h2\u003e\n\u003cul style=\"padding-left:1.5rem; margin-bottom:1.5rem; font-size:16px; line-height:1.8;\"\u003e\n\u003cli style=\"margin-bottom:0.5rem;\"\u003e\n\u003cstrong\u003eIntelligent PID Temperature Control\u003c\/strong\u003e — precise digital regulation with clear display, maintaining stable target temperatures for consistent investment mold preparation results\u003c\/li\u003e\n\u003cli style=\"margin-bottom:0.5rem;\"\u003e\n\u003cstrong\u003eRapid 30-Minute Heat-Up\u003c\/strong\u003e — 1500W resistance wire heating with silicon oxide lining reaches 800°C (1472°F) in 30 minutes, minimizing workflow downtime\u003c\/li\u003e\n\u003cli style=\"margin-bottom:0.5rem;\"\u003e\n\u003cstrong\u003eObservation Window\u003c\/strong\u003e — monitor the preheating process in real time without opening the furnace door, preventing heat loss and temperature fluctuation\u003c\/li\u003e\n\u003cli style=\"margin-bottom:0.5rem;\"\u003e\n\u003cstrong\u003eEnergy-Efficient Three-Layer Insulation\u003c\/strong\u003e — triple-wall furnace structure with superior insulation reduces energy consumption by up to 30% compared to single-wall designs\u003c\/li\u003e\n\u003cli style=\"margin-bottom:0.5rem;\"\u003e\n\u003cstrong\u003eSilicon Oxide Chamber Lining\u003c\/strong\u003e — high-temperature resistant material ensures fast, even heating and excellent heat retention throughout the preheating cycle\u003c\/li\u003e\n\u003cli style=\"margin-bottom:0.5rem;\"\u003e\n\u003cstrong\u003eDual Voltage 110V and 220V\u003c\/strong\u003e — compatible with studios worldwide, no external converter required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"font-size:20px; font-weight:600; margin-top:2rem; margin-bottom:0.75rem; line-height:1.4;\"\u003eAbout This Product\u003c\/h2\u003e\n\u003cp style=\"font-size:16px; line-height:1.8; margin-bottom:0.5rem;\"\u003eThe PHYHOO Flask Preheating Furnace is purpose-built for the flask preheating stage of the lost-wax casting process. After wax burnout is completed in a separate burnout oven, this furnace brings the investment mold to the precise casting temperature required for clean metal flow and minimal porosity in the finished piece.\u003c\/p\u003e\n\u003cp style=\"font-size:16px; line-height:1.8; margin-bottom:1.25rem;\"\u003eThe compact footprint (400 x 330 x 365 mm \/ 15.7\" x 13.0\" x 14.4\") fits standard jewelry studio benches, while the heat-insulating and flame-retardant construction ensures safe operation in small workshop environments. Suitable for professional casting studios, individual jewelers, and metalsmithing schools.\u003c\/p\u003e\n\n\u003ch2 style=\"font-size:20px; font-weight:600; margin-top:2rem; margin-bottom:0.75rem; line-height:1.4;\"\u003eTemperature Lock Setup Guide\u003c\/h2\u003e\n\u003cdiv style=\"background-color:#fff3cd; border-left:4px solid #e6a817; padding:12px 16px; margin:16px 0; line-height:1.7;\"\u003eThe furnace ships with a temperature lock enabled. You must unlock it before first use by following the steps below.\u003c\/div\u003e\n\u003cul style=\"padding-left:1.5rem; margin-bottom:1.5rem; font-size:16px; line-height:1.8;\"\u003e\n\u003cli style=\"margin-bottom:0.5rem;\"\u003ePress and hold the Set button for 5 seconds to access program settings\u003c\/li\u003e\n\u003cli style=\"margin-bottom:0.5rem;\"\u003ePress Set repeatedly to locate the LCY parameter\u003c\/li\u003e\n\u003cli style=\"margin-bottom:0.5rem;\"\u003eSet LCY to 0101\u003c\/li\u003e\n\u003cli style=\"margin-bottom:0.5rem;\"\u003ePress and hold Set for 5 seconds to confirm\u003c\/li\u003e\n\u003cli style=\"margin-bottom:0.5rem;\"\u003ePower off, wait 1 minute, then restart\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"font-size:20px; font-weight:600; margin-top:2rem; margin-bottom:0.75rem; line-height:1.4;\"\u003eBest For \/ Not For\u003c\/h2\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse; margin-bottom:1.5rem; font-size:15px;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background-color:#f5f5f5;\"\u003e\n\u003cth style=\"padding:0.6rem 0.9rem; border:1px solid #e0e0e0; font-weight:600; text-align:left;\"\u003eBest For\u003c\/th\u003e\n\u003cth style=\"padding:0.6rem 0.9rem; border:1px solid #e0e0e0; font-weight:600; text-align:left;\"\u003eNot For\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem; border:1px solid #e0e0e0; line-height:1.6;\"\u003eProfessional jewelry casting studios requiring precise flask preheating before metal pour\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem; border:1px solid #e0e0e0; line-height:1.6;\"\u003eWax burnout from investment molds — a separate dedicated wax burnout furnace is required before using this machine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem; border:1px solid #e0e0e0; line-height:1.6;\"\u003eIndividual jewelers and metalsmiths working with lost-wax casting in small studio setups\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem; border:1px solid #e0e0e0; line-height:1.6;\"\u003eMetal melting or smelting — this furnace does not reach temperatures required for melting gold, silver, or other casting metals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem; border:1px solid #e0e0e0; line-height:1.6;\"\u003eJewelry schools and vocational casting programs needing a safe, controllable preheating solution\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem; border:1px solid #e0e0e0; line-height:1.6;\"\u003eCeramic or pottery firing — the 800°C maximum temperature and chamber size are not suited for ceramic kiln applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem; border:1px solid #e0e0e0; line-height:1.6;\"\u003ePlaster investment mold drying and preparation prior to casting\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem; border:1px solid #e0e0e0; line-height:1.6;\"\u003eFlasks larger than 4 x 7 inches (101 x 178 mm) — verify your flask dimensions against the chamber size before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2 style=\"font-size:20px; font-weight:600; margin-top:2rem; margin-bottom:0.75rem; line-height:1.4;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse; margin-bottom:1.5rem; font-size:15px;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem; border:1px solid #e0e0e0; width:40%;\"\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem; border:1px solid #e0e0e0;\"\u003e110V \/ 220V, 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem; border:1px solid #e0e0e0; width:40%;\"\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem; border:1px solid #e0e0e0;\"\u003e1500 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem; border:1px solid #e0e0e0; width:40%;\"\u003e\u003cstrong\u003eMaximum Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem; border:1px solid #e0e0e0;\"\u003e800°C (1472°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem; border:1px solid #e0e0e0; width:40%;\"\u003e\u003cstrong\u003eHeat-Up Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem; border:1px solid #e0e0e0;\"\u003e30 minutes to 800°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem; border:1px solid #e0e0e0; width:40%;\"\u003e\u003cstrong\u003eHeating Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem; border:1px solid #e0e0e0;\"\u003eResistance Wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem; border:1px solid #e0e0e0; width:40%;\"\u003e\u003cstrong\u003eChamber Lining\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem; border:1px solid #e0e0e0;\"\u003eSilicon Oxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem; border:1px solid #e0e0e0; width:40%;\"\u003e\u003cstrong\u003eChamber Dimensions (L x W x H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem; border:1px solid #e0e0e0;\"\u003e150 x 150 x 200 mm (5.9\" x 5.9\" x 7.9\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem; border:1px solid #e0e0e0; width:40%;\"\u003e\u003cstrong\u003eMax Flask Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem; border:1px solid #e0e0e0;\"\u003e4 x 7 inches (101 x 178 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem; border:1px solid #e0e0e0; width:40%;\"\u003e\u003cstrong\u003eMachine Dimensions (L x W x H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem; border:1px solid #e0e0e0;\"\u003e400 x 330 x 365 mm (15.7\" x 13.0\" x 14.4\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem; border:1px solid #e0e0e0; width:40%;\"\u003e\u003cstrong\u003eMachine Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem; border:1px solid #e0e0e0;\"\u003e15.5 kg (34.2 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003ch2 style=\"font-size:20px; font-weight:600; margin-top:2rem; margin-bottom:0.75rem; line-height:1.4;\"\u003ePro Tips\u003c\/h2\u003e\n\u003cul style=\"padding-left:1.5rem; margin-bottom:1.5rem;\"\u003e\n\u003cli style=\"font-size:16px; line-height:1.8; margin-bottom:0.5rem;\"\u003e\n\u003cstrong\u003eComplete wax burnout in a separate burnout furnace before placing the flask in this machine.\u003c\/strong\u003e This furnace is for preheating only — placing a wax-filled flask inside will damage the silicon oxide lining and produce harmful fumes.\u003c\/li\u003e\n\u003cli style=\"font-size:16px; line-height:1.8; margin-bottom:0.5rem;\"\u003e\n\u003cstrong\u003ePreheat the empty furnace for 10 minutes before inserting the flask\u003c\/strong\u003e to stabilize the chamber temperature and ensure even heat distribution from the first minute of the preheating cycle.\u003c\/li\u003e\n\u003cli style=\"font-size:16px; line-height:1.8; margin-bottom:0.5rem;\"\u003e\n\u003cstrong\u003eSet the target temperature 20–30°C above your intended casting temperature\u003c\/strong\u003e to compensate for heat loss during the transfer from furnace to casting machine. Adjust based on your studio's ambient temperature.\u003c\/li\u003e\n\u003cli style=\"font-size:16px; line-height:1.8; margin-bottom:0.5rem;\"\u003e\n\u003cstrong\u003eKeep the observation window clean with a dry, lint-free cloth after each session.\u003c\/strong\u003e Residue buildup on the glass reduces visibility and can cause inaccurate temperature readings if it interferes with the sensor area.\u003c\/li\u003e\n\u003cli style=\"font-size:16px; line-height:1.8; margin-bottom:0.5rem;\"\u003e\n\u003cstrong\u003eAlways use the included insulation gloves when handling the flask at temperature.\u003c\/strong\u003e Allow the furnace to cool completely to below 100°C (212°F) before opening for cleaning or inspection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"font-size:20px; font-weight:600; margin-top:2rem; margin-bottom:0.75rem; line-height:1.4;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cp style=\"font-size:16px; line-height:1.8; margin-bottom:0.5rem;\"\u003e\u003cstrong\u003eCan this furnace be used for wax burnout?\u003c\/strong\u003e\u003cbr\u003eNo. This machine is designed for flask preheating after wax burnout has already been completed. Placing a wax-filled investment mold inside will damage the lining and produce harmful fumes. A separate wax burnout furnace is required for the burnout stage.\u003c\/p\u003e\n\n\u003cp style=\"font-size:16px; line-height:1.8; margin-bottom:0.5rem;\"\u003e\u003cstrong\u003eCan it melt gold, silver, or other casting metals?\u003c\/strong\u003e\u003cbr\u003eNo. This is a preheating furnace, not a metal melting furnace. The maximum temperature of 800°C (1472°F) is below the melting point of most casting metals. A separate crucible furnace or torch is required for metal melting.\u003c\/p\u003e\n\n\u003cp style=\"font-size:16px; line-height:1.8; margin-bottom:0.5rem;\"\u003e\u003cstrong\u003eWhat is the maximum flask size the chamber can accommodate?\u003c\/strong\u003e\u003cbr\u003eThe chamber measures 150 x 150 x 200 mm (5.9\" x 5.9\" x 7.9\") and accommodates flasks up to 4 x 7 inches (101 x 178 mm). Measure your flask dimensions carefully before ordering to confirm compatibility.\u003c\/p\u003e\n\n\u003cp style=\"font-size:16px; line-height:1.8; margin-bottom:0.5rem;\"\u003e\u003cstrong\u003eWhy does the furnace not respond when I first turn it on?\u003c\/strong\u003e\u003cbr\u003eThe furnace ships with a temperature lock enabled. You must unlock it before first use: hold Set for 5 seconds, navigate to LCY, set it to 0101, confirm with Set, then power off and restart after 1 minute. Full instructions are in the setup guide above.\u003c\/p\u003e\n\n\u003cp style=\"font-size:16px; line-height:1.8; margin-bottom:0.5rem;\"\u003e\u003cstrong\u003eIs the machine compatible with both 110V and 220V power supplies?\u003c\/strong\u003e\u003cbr\u003eYes. The furnace is available in both 110V and 220V configurations. Select the correct voltage variant for your region at the time of purchase. Do not connect a 110V unit to a 220V supply.\u003c\/p\u003e\n\n\u003cp style=\"font-size:16px; line-height:1.8; margin-bottom:1.25rem;\"\u003e\u003cstrong\u003eHow do I get support or report an issue with my order?\u003c\/strong\u003e\u003cbr\u003eContact the PHYHOO team at phyhootool@gmail.com. We respond within 24 hours on business days.\u003c\/p\u003e\n\n\u003ch2 style=\"font-size:20px; font-weight:600; margin-top:2rem; margin-bottom:0.75rem; line-height:1.4;\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul style=\"padding-left:1.5rem; margin-bottom:1.5rem;\"\u003e\n\u003cli style=\"font-size:16px; line-height:1.8; margin-bottom:0.5rem;\"\u003e1x Flask Preheating Furnace (main unit)\u003c\/li\u003e\n\u003cli style=\"font-size:16px; line-height:1.8; margin-bottom:0.5rem;\"\u003e1x Steel Bell Pliers\u003c\/li\u003e\n\u003cli style=\"font-size:16px; line-height:1.8; margin-bottom:0.5rem;\"\u003e1x Power Cable\u003c\/li\u003e\n\u003cli style=\"font-size:16px; line-height:1.8; margin-bottom:0.5rem;\"\u003e1x Insulation Gloves\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"font-size:20px; font-weight:600; margin-top:2rem; margin-bottom:0.75rem; line-height:1.4;\"\u003eSupport\u003c\/h2\u003e\n\u003cp style=\"font-size:16px; line-height:1.8; margin-bottom:1.25rem;\"\u003eQuestions about this jewelry flask preheating furnace or order status? Contact the PHYHOO team at phyhootool@gmail.com. We respond within 24 hours on business days.\u003c\/p\u003e\n\n\u003c\/div\u003e","brand":"PHYHOO JEWELRY TOOLS","offers":[{"title":"110V","offer_id":42483918078038,"sku":"phy001","price":499.0,"currency_code":"USD","in_stock":true},{"title":"220V","offer_id":42483918110806,"sku":"phy002","price":499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/6254\/1897\/files\/1_2dc0ca79-7786-4bdc-8edd-ff90aa611f4a.jpg?v=1752822518"}],"url":"https:\/\/www.phyhootool.com\/ja\/collections\/new-product-launch.oembed","provider":"PHYHOO JEWELRY TOOLS","version":"1.0","type":"link"}