Infratech SL Series 42" 2400 Watt Single Element Infrared Electric Heater

2 reviews
Matte Black
  • Infratech Authorized Dealer

    Infratech 42" SL Series heater is a slim and sleek patio heater that can be installed indoors and outdoors. This infrared electric heater produces 2400 Watts of infrared heat covering a 7 ft. x 7 ft. area and works well with almost any control option even smart home systems.

    Infratech Slimline is a great choice for wall or ceiling mounting. With its slim streamline design, it can easily blend in with any room décor.

    Available in Black, Bronze, and Silver, and three voltage options, just choose the best housing body color that matches or complements your room's color palette. Stay warm and comfortable indoors or outdoors with a Slimline heater.

    For your voltage requirement, this electric heater is available in 240 V, 208 V, and 277 V. 

    Also available in sizes: 29" and 63" long.

    These items are not always in stock and might take 5-8 weeks to manufacture. To check on the stock, email us at

    Download Product Manual

    Download Specs

    Key Features:

    • UL Listed for Indoor and Outdoor installations due to low clearance requirements, install anywhere you want.
    • Stainless Steel Front Face Plate with Bronze or Silver housing body. Or, Matte Black Face Plate with matte black housing body option to match or complement your décor.
    • 6" Mounting Kit that matches housing body color included for easy surface, wall or ceiling, installation.
    • Quartz Element with approximately 5,000 hours of use for efficient heating to keep you comfortable.
    • Anodized Aluminum Housing, lightweight and durable enough to withstand the weather.

    Other Features:

    • Slimline design has a T-slot for flexible mounting options.
    • Mounting Height: 7' to 9' for efficient heat coverage.
    • 0 to 60° Mounting Angle for installation flexibility.
    • Approximate 7' x 7' Heat Coverage to keep specific areas warm.
    • Minimal Maintenance Cost compared to gas saves you money.
    • Infratech heaters can be used with various control options and are compatible with top-selling Smart Home systems like Lutron,™ Crestron,™ Control 4,™ and others for your convenience.
    • Available in 208v, 240V, or 277V to meet your needs.
    • Heaters greater than 240 Volts are for “Commercial Use Only. Risk of fire. Do not use as a residential or household heater.”
    • Made in the USA, ensures high quality materials and superior craftsmanship.


    Model Number: SL 24
    Manufacturer: Infratech
    Series: SL
    Indoor/Outdoor: Indoor / Outdoor
    Fuel Type: Electric
    Installation: Wall / Ceiling Mounted
    Material: Anodized Aluminum
    Grade: Commercial / Residential
    Heater Type: Infrared
    Heating Area: 7 ft. x 7 ft.
    BTUs: 8,190
    Watts: 2,400
    Volts: 208 / 240 / 277
    Amps: 11.5 / 10 / 8.6
    Dimensions: 42 1/2" Length with 4 3/4" Width
    Certifications: UL Listed for Indoor and Outdoor use
    Warranty: 3-Year Warranty


    Infratech offers a variety of control options, from a simple on/off switch with one heat setting or INF regulator with variable heat to more advanced controllers with more features. For Sleep Timer, temperature control, and other control options, get an Analog ControllerUniversal Control, or a Home Management System for smart home integration.

    The best angle to install this heater is approximately 45º. If installed outdoors, it is best to install it at the "cold side" for efficient heating and under a protective roof or weather cover, whenever possible. Even with its all-weather construction, your heater will last longer and look better if it is protected from rain and snow.

  • Free and Fast Shipping! Read our full Shipping Policy here.

    We offer market-leading 30-Day Free Returns! Read more about our Returns Policy here.

  • Our 100% Price Guarantee! Read more about our Price Guarantee here.

  • There are currently no warnings.

    This product is safe to use according to the manufacturer's instructions.

Customer Reviews
5.0 Based on 2 Reviews
5 ?
4 ?
3 ?
2 ?
1 ?
Write a Review

Thank you for submitting a review!

Your input is very much appreciated. Share it with your friends so they can enjoy it too!

Filter Reviews:
    Johnny D.
    Very reliable heater

    We bought two of these to give us a bit more time to spend outside during the cooler evenings during spring and fall

    Lucillie N.
    Great heaters at a great price

    We have 2 installed on our patio. They work well but installation is a bit difficult by your self and we ended up having them professionally installed