Gas cartridge heater

M. FIREROD Cartridge Heaters are the Premier Choice in Swaged Cartridge Heating. When fast, efficient heat transfer is required, Heatron's cartridge heaters outperform other cartridge heaters. Olympia Stove Butane Refills Gas Cartridge for Portable Heater - 3pk/227g Travel Essentials 30-Day Price Match Guarantee Customer Service: 1-888-991-2299 Homepage global. 1. 321 Stainless steel cartridge heater with 0. Or fastest delivery Thu, 4 Jul. £ 2. Cartridge heaters - Ø10 mm. 24V 15W 1/8" dia. Advantage: little prone to interferences. This miniature cartridge heater with swaged construction features high watt density, is capable of high operating temperature and provides long life in applications where it is essential to have a very small size. Cartridge heaters are used for heating metal parts and can also be fitted with threaded bushings for liquid heating for certain applications. For use with portable appliances that use 8 fluid ounces butane cartridges. Apr 17, 2023 · A cartridge heater is a compact electric heating device, typically consisting of a metal outer sheath, heating coil, and insulating material (such as magnesium oxide). Taking the cartridge heater one step further enables the HT A gas cartridge is a small container filled with pressurized gas, typically used in camping stoves, portable heaters, and other outdoor equipment. The size, sheath, leads, terminals, wattage and voltage Among these innovations is the 1/8-inch FIREROD. Weight total: 598g. 1/8 0. 5-12. Best Selling. Specialty Metals COTS Chromalox CIR industrial heaters are available in a variety of commercial heating applications: dies and molds, packing machinery, laminating/adhesives, hot glue melting, lead melting, medical, extruding dies, and stamping and marking machines. Apr 24, 2024 · Simple cartridge replacement which lasts up to 3 months. Our advanced design and construction offers superior, uniform heat and longer life. Taylor & Brown 8 Pack Butane Gas Bottles Canister Cartridge Canisters Cylinder | For Camping Stove Cooker, Heater, Barbecue or BBQ, Weed Burner, Kitchen Blow Torch. 49 £ 129 . FIREROD cartridge heaters are built Oct 27, 2020 · A cartridge heater with crimped-on leads has the advantage that the unheated length at the lead end of the heater is at a minimum. Where: kW = your kilowatt requirement. The heating element is insulated to prevent the sheath from contacting the heating element and ultimately causing a short circuit or heater failure. Suggested use: Stove cooking – year-round. COLEMAN C300 Performance Gas Cylinder Jan 5, 2024 · Cartridge heater applications. 003 larger than the nominal diameter. 1) 7/8 (22. This miniature cartridge heater with swaged construction features high watt density, is capable of high operating temperature and provides long life in The FIREROD cartridge heater revolutionized the heating element industry in 1954 when it was patented as the first swaged cartridge heater. Cartridge Heaters. 69 New. Hot junction grounded to the sheath in the middle of the heated zone. Infrared Cassette Grill, Gas Grill. Special Price £39. Watlow duct heaters are constructed of sturdy 0. 200+ bought in past month. Advantage: quick response. Our engineering expertise, local support and comprehensive product offering enable Watlow to consistently lead the industry with innovative products wherever thermal is critical. Please dispose of according to local laws and regulations. Finned Strip Heaters for Duct, Ovens, and Dryers. Go Systems Dynasty Gas Cartridge Heater GS2295. com International Technical Sales Offices Coleman C300 Performance gas cartridge, valve cartridge with screw valve, suitable for camping stoves, camping grills or lamps, 230g powerful butane/propane mixture, use up to freezing point. 3412 = Conversion Factor, BTU/kWh. Protects and extends the life of water heaters, plumbing fixtures and appliances by preventing the accumulation of scale. Centerless Grind Tolerance Nexthermal’s standard tolerance of ±. Show per page. 375" OD 1 - 24" Long. 4". North (R) Organic Vapor, Ammonia, Methylamine, Formaldehyde And Acid Gas Cartridge For 5400, 5500, 7400 And 7500 Series Air Purifying Respirator (APR) With P100 particulate Filter. Cartridge Heater Cartridge heaters are an extraordinarily versatile and durable product that can be replaced without even decommissioning the system. Use where flammable gases, vapors, and dust are present in shops, garages, and warehouses— these heaters meet NEC Class I, Divisions 1 and 2, Groups C and D; and Class II, Divisions 1 and 2, Groups E, F, and G. 50+ bought in past month. 247" ±0. Right Angle Exit To customize cartridge heaters for specific applications , the factory has redesigned the right angle exit with flat sides, making it possible to use a wrench to precisely position lead exit and break oxidation bonds when removing a heater. 5 TON UNIT. Heater Voltage 240V AC. FREE delivery Sat, 20 Apr. watlow. Its high performance 321 Stainless steel cartridge heater with 0. Sale. Similar to cartridge heaters, tubular heaters come in single and double-ended variations. 99 New. Choose from our selection of plate heaters, including over 1,200 products in a wide range of styles and sizes. We adapt our products to customers´ individual and respective requirements in order to allow as much freedom as possible when planning your system. Gas Heaters; Rucksacks & Bags. 00 (Save 11%) 1 review. Anaconda strives to inspire, equip & enable Australians with the best value and broadest range of outdoor adventure and sporting products! Shop online or in-store at Anaconda today. Stay cosy and enjoy exceptional warmth while you enjoy the great outdoors. List: $59. Right Angle Block 24V 20W 60W 150W 500W 1000W Industrial Electric Air Customized Cartridge Heater US$ 1. installing the heater in a through bore prone to oxidation. Cartridge heaters will reach metal temperatures of up to 1,400ºF (760ºC) with the appropriate material, watt density, and fit selections (see Figure 2 on our catalog page 7. Portable Gas Heater MSH-9000. Note: Product availability is real-time basis and adjusted continuously. FREE delivery Wed, 29 May. 71. 11. 00 £9. DFARS Compliance. Replace damaged heating elements in your 3D printer, or switch them out to print at a faster speed or higher temperature. 00/kg) Buy any 2, Save 5%. China Supplier High Temperature 12 Volt DC Threaded Immersion Coil Cartridge Water Heating Element US$ 5-15 / Piece. Gas Torch. Reduces the Cost of Process Heating. Eliminate Uneven Heat. Reduce Downtime and Maintenance. Dec 20, 2021 · Cartridge Heaters CALOR. Rotate regulator out from heater. 1" Insertion Cartridge Heater 55w 120v Stainless Steel NPT. Boasting a high heat output and designed with built-in safety systems, this heater is easy to use and offers peace of mind. Cartridge/Insertion Heaters FIREROD Cartridge Heaters Applications and Technical Data Dimensional Data This table shows minimum/maximum sheath lengths for available FIREROD diameters. Finned Tubular Heaters for Duct, Ovens, and Dryers. Or fastest delivery Fri, 19 Apr. The Backer Hotwatt Square and Rectangular Cartridge Heater is designed to distribute maximum heat within a desired area. Backer Hotwatt manufactures a wide range of Cartridge heaters for a variety of applications. Aug 1, 2000 · Heater Selection. Shop butane gas cylinders for your camp cooking endeavours. The built -in thermocouple eliminates the need for an external temperature sensor. com. Arrives before Christmas. Prevent Bore Seizures. Features. Resealable due to ‘Lindal valve’. PRODUCT. Type CIR includes several significant advances in cartridge heater technology. Even though it may be used as both a space heater and for hot water, the Combi 2E/4E is quite compact and light. 600+ bought in past month. Heaters, we can make custom heaters in virtually any voltage. $382. Sold by 1 / PK. Chromalox is a premium provider of electric thermal technologies globally. These heaters have a large surface area to quickly dissipate heat in air and inert gas heating systems used in ducts, ovens, and dryers. Inserting a cartridge heater with a nominal minus Also known as cartridge heaters, insertion heaters install into drilled and reamed holes in metal parts for quick heating through direct contact. The compact design provides higher watt density and dielectric strength compared with tubular versions. 246 (6. Campingaz CV470 Gas Cartridge Plus £8. Reduce the Cost of Process Heating. They are available from most vendors in diameters from 1/8 inch to 1 inch and length from 1 inch to > 3 feet. In order to select the right heater for an application, heat requirements as well as physical requirements need to be considered. In stock and ready to ship. Stainless Steel Mini Gas Heater Portable Heating Stove Warmer for Camping Hiking. $92. 304 Stainless steel cartridge heater with 0. ULTRAMIC® Advanced Ceramic Heaters. 25" outer diameter and sheath lengths 1 to 13", max temperature 1200°F, designed for dies, packaging, heat sealing and more. Watt-Flex® Split-Sheath Cartridge Heaters run more efficiently, use less power and last up to 5 times longer than conventional cartridge heaters. Over 400 SKUs of stock list cartridge heaters in U. 122 (3. . This page contains a table of cartridge heaters having diameters smaller than 0. (6 mm) thick steel flange. 49 Choose from our selection of heaters, including over 3,400 products in a wide range of styles and sizes. $4999. Choose from our selection of platen heaters, including bolt- and clamp-mount heaters, insertion heaters, and more. Toll Free: 1-877-674-9744. Was: £12. 4. – Do not use a flame. Easy-Maintenance Insertion. E. FOB Price : US$ 65 / Piece. Clear All. Free postage. FREE delivery Thu, 4 Jul. A first choice for OEM’s that need high power density/temp. Designed to fit nominal cores. 15% Off Promotion. The standard range of cartridge heaters in stock are used for heating of solid, liquid or gas in a wide range of industrial and engineering applications within plastic-, packaging-, rubber-, wood- and paper industry, foundries, medicine technical and laboratorial industry. 3,898. With a full gas cartridge, it will supply roughly 2 hours of continuous heat at optimal use (145g per hour for gas consumption). 100W. 190g Pierceable Gas Cartridge. Screw-On Canisters. For other terminations and options contact OMEGA for Model Numbers and pricing. Tempco HDL00007 Cartridge Immersion Heater 7-7/8 In. NPH offers high-quality electric heaters, temperature sensors, and control systems for various industrial applications from NPH, GTA, Toronto, Canada. Description. It is an indirect heater with aluminum encased block protected by stainless steel or carbon shell. Edison Base Cartridge Heaters. All cartridge heaters in metric sizes are built to order, but are available with fast lead times. 5 out of 5 stars 412 £129. Drilled holes are typically . Common Applications. 82. They are widely used in molds and dies, platens, plastic Quickly and safely transfers heated liquids, gases and oils. Cartridge heaters, also known as insertion heaters provide superior heat transfer, uniform temperatures, resistance to oxidation and corrosion and long life even at high temperatures. The heater is made up of an aluminum encased heating bundle and tube coil. Step 3. Learn More. Application (17000/18000 Series) Cartridge type is designed for drilled hole cartridge heating installations in molding presses, platens, rubber vulcanizers, hot plates, etc. Small Business. £3395. Please note: The length of the cartridge must be at least 80 mm. com inquiry@watlow. The Gasmate Portable Butane Heater is a stylish, practical and effective outdoor portable gas heater. 00/Count) FREE delivery Thu, Dec 14 on $35 of items shipped by Amazon. Or fastest delivery Jul 10 - 15. Δ T = Temperature Rise, in °F. 1°F) offers close control of process. 25 outer diameter and sheath lengths 1 to 10, max Omega has a large range of industrial heaters for any application. They can be custom manufactured to your individual application need. FREE delivery Jul 10 - 17. D 4tct3. By heating the mold, these heaters ensure proper flow and quality of the molten plastic, resulting in high-quality finished products. The Hottie runs on disposable gas cartridges and is the perfect gas heater for heating small spaces such as tents, awnings, sheds and small home workshops. Insertion Heaters with Internal Temperature. Heater Portable Buddy gas heater including adapter for gas cartridges with 7/16 thread, up to 2. Type TC4. Read 271 Reviews. Watlow has nearly 100 years of experience supplying cartridge heaters for countless applications. Survival Butane Gas Heater Portable Camping Camp Tent. Leads externally crimped to nickel pins. 49 New. Adjust the louvers to direct airflow. 3/16". Butane Fuel Canisters for Portable Camping Stoves,Gas Burners, UL Listed (24 Pack) - Explosion Proof - RVR System. Patented high-temperature design provides these advantages: When energized, the patented split-sheath expands into contact with surrounding bore for maximum heat transfer, fast response. 005" smaller than the nominal diameter. Selecting the right heater for a molding application is critical to the success of any operation. FIREROD cartridge heaters are built 3D Printer Extruder Heating Elements. Cartridge Heaters can be made with various diameters, lengths, wattages, and voltages. 50/count) Save more with Subscribe & Save. Portable Gas Heater MSH-9900. Small Diameter 1/8" OD Miniature Pencil/Cartridge Heaters: Available 1/8" OD Cartridge Heaters Terminations: Type N - External Pins with Leads. Indicates recommended maximum sheath length; however, longer lengths may be available. Regular Price: £59. Resolution sensitivity of - 0. Power your portable camp cooker with our portable & easy-to-use butane gas cartridges at Anaconda. If you're still not sure which product is right for you, we'll be glad to help you figure it out. store In store only. standard fractional sizes are available for on-line purchase at O. Safety valve seal - connect/disconnect with ease and no leaks. 4 kW output, outdoor/camping heater 4. Cartridge Heater Competitor #1 1 / 8" Cartridge Heater Competitor #3 1 8" Split-Sheath Heater Competitor #2 1 / 8" Cartridge Heater Competitor #4 1 8" Mini Coil Heater To be automatically connected to the nearest North American Technical Sales Office: 1-800-WATLOW2 • www. 2). 25/count) Save more with Subscribe & Save. 2) 12 (305) 1/4 0. $799 ($4. 188") diameter Cartridge Heater, 4" length, 100W, 120V. To order metric cartridge heaters, you can use our configurator, call us, or email us. smallmenu 0 Here at O. The heating hood is installed as the heater, and the heating hood is removed as the camping stove. View Specs. High-watt density cartridge heaters are used in plastic extruders, hot stamping, medical equipment, food processing, hot-runner molds and other plastic molding equipment. Jun 7, 2017 · Below is a guide to the four main types of camping gas cartridges used for camping stoves along with details of two other types, just for completeness. Type TC3. We have camping gas from top brands like CampingGaz, so your portable gas stove can keep running on your next outdoor adventure. Choose from our selection of cartridge heaters, including over 1,000 products in a wide range of styles and sizes. Hot junction ungrounded near bottom disc. Minimum Order : 1584 Piece. com to learn how we can serve your custom cartridge heater requirements. Screw the gas cartridge (clockwise direction) onto the gas regulator and tighten securely. Cp = the specific heat of the material to be heated, in BTU/lb°F. Heatron’s heat exchanger consists of a high-density cartridge heater encased in a metal jacket with ports for transfer of medium to be heated. Our industrial heater selection includes flexible heaters, circulation heaters, cartridge heaters, heating cables, radiant heaters and many more. x 1/2" long split sheath cartridge heater with 12" leads. The sheath, also known as a sleeve, or jacket, encapsulates the heater and provides a protective barrier. (6 mm) Nominal No-Heat 12 in. The mechanical procedure of swaging reduces the diameter of the heater by compacting the unit; this directly improves the heat transfer and efficiency of the heater. Space-saving and Lightweight. NPH Process Heaters - Industrial Electric Heaters, Flexible Heaters and Controls. 3/16" (0. Add to Cart. Call us today at (269) 964-0271 or email sales@nexthermal. Heated Length The table below will assist you in selecting the correct FIREROD heater for your application, according to available voltage, amperage and wattage. Cartridge heaters can be used under certain conditions for direct heating of smelting, steam and gas. 2 in 1 camping gas heater + cooker stove, Power: 3kw, Flat Tanks Consumption: Approx. Cartridge Heating Elements. Watt-Flex® Cartridge Heaters run more efficiently, use less power and last up to 5 times longer than conventional cartridge heaters. S. Oct 23, 2023 · These heaters use indirect electric heating to raise the temperature of the natural gas. or Best Offer. 99 . 4A, 102 Ω) - CLEARANCE Cartridge/Insertion Heaters FIREROD Cartridge Heaters Applications and Technical Data (Continued) 1/4 in. The gas flows through the coil and is heated up, through the heat transfer, by the aluminum encasing. 25 inches that are available for on-line purchase at OEMHeaters. See More Items from this Family (106) LDC5. Designed to run for between 2 and 8 hours depending on the style of appliance being used. Gasmate Travelmate Portable Butane Heater is a travel-friendly portable heater, great for camping trips and outdoor events. 449. Add to cart More. Among these innovations is the 1/8-inch FIREROD. The efficiency and life expectancy of a cartridge heater depends mainly on the fit tolerance. £1149 (£11,490. Give us a call at (866) 685-4443, send us an e-mail at sales Split-Sheath Cartridge Heaters. header. These air duct heaters are easily adapted to many non-pressurized air-heating systems. 25" Insertion Cartridge Heater 75w 120v Stainless Steel NPT. Also called: threaded, C100, C500, CA500, “normal”. Employing controlled heat profiles, internal controls, and minimal unheated sections removes temperature variations Connecting and disconnecting the gas canister from a stove is safe and easy thanks to the safety valve seal. Gas. The Kampa Dometic Hottie is a portable gas camping heater. inside a small envelope. PORTABLE BUTANE HEATER. 375" outer diameter and sheath lengths 1 to 24", max temperature 1200°F, corrosion resistant, used for pressure vessels and more. Omega's is a leading supplier for industrial heaters. For more than 100 years, Chromalox has shaped the history of industrial process heating, and today Dec 7, 2023 · These heaters serve various applications, including clamping onto vessels and tanks, integration into milled groove platens, immersion in liquids, or mounting within ducts for air and gas heating. Its primary function is to convert electrical energy into thermal energy, heating liquids, gases, or solid materials in various equipment and applications. The Hottie uses P220 self-sealing, butane gas cartridges (sold separately) which can give you up to 2. $1,383. 5/8" FIREROD® Cartridge Heater. – 1. Heaters. The most common heaters requested for DC applications are flexible silicone rubber and cartridge heaters. (6 mm) Nominal No-Heat 1/4 in. Adjustable range from -73 to 316°C (-100 to 600°F) offers wide field of application . 120V. 321 Stainless Steel Cartridge Heater 0. (305 mm) Dia. KARAN KING 12 X Butane Gas/Propane Gas 190g Blowtorch, BBQ, Gas Weed Burner EN417 and EN521 Gas Canister Gas Cartridge Gas Cylinders for Camping, Camping Gas Canister for Camping Stove. 80g/h, Gas Type: liquefied gas , Ignition: manual ignition. The Watlow FIREROD not only set the industry standard for cartridge heaters, it continues to make improvements in construction and design. $86. 5 hours worth of heating per cartridge. The Watlow HT FIREROD cartridge heater is especially designed for high-temperature platen applications up to 1600°F (871°C). Type TC2. By far the most common type for camping. £999 (£2. For the cartridge heater with swaged-in leads, the connection between the leads and power pins is inside the heater. Perfect for use in portable stoves, gardening torches, butane powered lanterns and more. These cartridges have a significant historical and cultural relevance, especially in the context of outdoor activities and survival. kW = (WT x Cp x Δ T)/3412 x h. KARAN KING Pack of 4 Butane Gas/Propane Gas 190g Blowtorch, BBQ, Gas Weed Burner EN417 and EN521 Gas Canister Gas Cartridge Gas Cylinders for Camping, Camping Gas Canister for Camping Stove. Brand new · Unbranded. 6 out of 5 stars, average rating value. The most common heating elements specified for use in molds are cartridge, tubular and strip heaters. Removes scale restoring operating efficiencies to water heaters and appliances. NPT fittings can be added to your cartridge heater. 31. It is the perfect solution for camping trips, providing plenty of warmth so you can enjoy the outdoors. Low Density Cartridge Heaters ¼" Dia. The gas cartridge is easy and quick to install, and the self-igniter and control wheel make lighting and managing the device very simple. Increase Efficiency and Production. Downloads. At Decathlon, you’ll find many camping gas cartridges and canisters to suit various camping stoves. 7. You can use the following formula to determine your required wattage. aria. Check that the gas control on the appliance is in the OFF position. It is called heat exchangers and is one of the best methods to heat up the natural gas before transmission. If heat transfer is critical to your application, Nexthermal offers premium centerless grind tolerances that are ±. Keep you comfortable at your desired heat even in cold winter. 59. Standard Termination. Check for leaks with soapy water. In Stock. Minimum 1/4" cold section at lead end is required. In this article the available types are described to help you in the selection. 430 in. FREE delivery 5 - 6 Jul. AU $37. 24 ga ultralead leads, 482°F (250°C) 10" Leads are standard. 27 mm) Model Numbers listed are cartridge heaters terminated with Type F flexible leads 254 mm (10") long. Configure Product. Cartridge heaters are typically manufactured . This has been true since 1922 when our company was founded. The FIREROD cartridge heater revolutionized the heating element industry in 1954 when it was patented as the first swaged cartridge heater. Links to the product pages are contained within the table. Weight: 440g. Add to Wishlist. The aluminum block is protected by the stainless steel or carbon shell. CARRIER - CRHEATER110A00 - 12 KW HEATER 208-3P 7. Like all of Watlow's other FIRERODs, the 1/8-inch contains a resistance wire closer application. Gasmate 220g Rim Vent Safety Butane Gas Cartridge BBQ - 4 Pack $ 25. If you’re planning to venture out exploring for the day on your own or just spend a couple of days camping, a Woods Butane Gas Canister/Cartridge, Fuel For Camping Stoves, Lanterns & Heaters, 8-oz, 3-pk #076-0138-4. 245. 30 Items. 001 to . Threaded, self-sealing gas cartridge from Coleman. . Gasmate's portable heater uses butane canisters and with 4 built-in safety features, know you will be safe! Cartridge HEATERS. Kampa Glow 1 Gas Cartridge Fitting Heater The natural gas preheaters are generally designed to prevent the Joule Thompson effect using Electrical Block Type Process Heaters. 95. Sensor for Plates, Molds, and Dies. 5-15 / Piece. £1499 (£1. The unique, patented split-sheath design that allow the heater to expand when energized to maximize heat transfer through greater contact with the wall of the bore. Butane/Propane blend: 70/30%. We engineer advanced thermal solutions that deliver superior performance for our customer’s sustainable and mission critical applications. , Actual 0. Sort By. Products Electric Heaters and Elements Band Heaters Cartridge Heaters Cast-In Heaters Ceramic Fiber Heaters Coil and Cable Heaters Drum Heaters Enclosure Heaters Flexible Heaters Hazardous Location Wall-Mount Large-Space Electric Heaters. 003" to . 3) 7/8 (22. £1249. 2) 36 (915) Whether your needs involve cartridge immersion heater products, electric rod heater products, cartridge heater elements, or other custom cartridge heaters in the medium or high watt density range, we have you covered. 002” compares favorably to other cartridge heaters. Add to basket. Electric cartridge heaters are commonly employed in plastic injection molding to maintain precise and consistent temperatures within the mold. Feb 18, 2024 · The Truma Combi 2E (or 4E) Gas Electric Heater is a gas and electric heater in one unit, providing an efficient heating solution for your caravan, motorhome or campervan. Mount on the wall with the included Cartridge heaters are cylindrical shaped heaters with resistive heating elements. Exclusive Discount with . Cartridge Heaters are typically inserted into drilled holes to heat platens and molds or used as liquid immersion heaters. 9000W Industrial Immersion Electric Water Heater Tube Heating Element Boiler US$ 8-18 / Piece. Only 9 left in stock - order soon. Cartridge Heater: 12mm diam. Eco-friendly - no salt, no waste water, no electricity. Mr. Because they are completely enclosed, square units will furnish more usable heat for a given wattage than a comparable strip heater attached to the exterior of a mold, platen, or other equipment. (11 mm) diameter WATROD heating elements mounted to a 1⁄4 in. When de-energized, the split-sheath contracts for easy, slide-out removal. x 230mm inserted, 1200W, 350V (3. WT= the weight of the material to be heated, in lbs. Portable Gas Heater + 8 Butane Gas Bottles Canisters - For Outdoor Camping, Hiking, Fishing, Caravan & Skiing Trips - Emergency, Safety Grill, Auto Ignition, Carry Handle & Temp Control. If a leak is detected remove the gas cartridge and retighten all connections, then retest. 002" (6. 0008”. Butane Gas Cartridge (MSF-1 CRV) Minimum Order : 28,224pcs. Cartridge heaters are listed below in their insertion length, but they do have an additional 1/4" overall length. So swaged cartridge heaters are ideal for applications in which there is a lot of movement. 1°C (0. Dayton 5PV56 Hydronic Unit Heater Vrtcl 2220cfm. Mold Heating. Watlow's ceramic heater line includes the ULTRAMIC® advanced ceramic heater designed for applications requiring a clean, non-contaminating heat source, while ensuring optimal effectiveness of the equipment and process. The HT FIREROD high temperature cartridge heater utilizes the same industry leading design principles used on all of Watlow's FIREROD products. 99. 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