Skip to content

Sunpak S34 S TSH Infrared Gas Heater with Wall Switch - Stainless Steel

SKU 12040
by Sunpak

Buy now, pay later with Klarna. Details.
FREE Shipping / Returns. Details.
Estimated Delivery: -
Availability: Translation missing: en.general.icons.icon_check_circle icon 20 in stock, ready to be shipped

Experience Instant Outdoor Comfort with Our Gas Patio Heater

Sunpak Authorized Dealer

Don't let the thought of shivering on your patio scare you off - upgrade to the Sunpak 2-stage gas patio heater and enjoy instant comfort with efficient infrared heating technology.

Unlike inefficient patio heaters, our gas patio heater focuses radiant energy on heating solid objects, like your body, instead of the air, allowing warmth to be felt faster. With a wall switch included, you can effortlessly turn it on or off, or set it on high or low.

Maximize your outdoor comfort with our gas patio heater that can heat a 12' x 12' area, depending on air temperature and wind conditions. Properly integrated into your patio design, this heater can increase the comfort level by 5 to 10 degrees Fahrenheit. Available in Natural Gas or Liquid propane, it is suited for any outdoor setting.

For over two decades, Sunpak Gas Heaters have been installed in thousands of residences across the United States and Canada, delivering unbeatable quality with cutting-edge technology that you can rely on.

Proudly made in the USA, our premium gas patio heater offers luxurious comfort and convenience at the touch of a button. Order today and enjoy free shipping for even more savings!

What's Included: Gas Patio Heater, Mounting Kit, 24 V Transformer, Wall Control, and User's Manual

Need help determining the right heater and setup for your space and heating needs? Give us a call at (866) 713-2399 or email us at and we'll be happy to help!


  • Infrared Gas Patio Heater efficiently heats any residential outdoor space.
  • Available in Natural Gas or Liquid Propane to suit any patio setting
  • Made with Stainless Steel, the most corrosion-resistant material available
  • Wall or ceiling mounting - mounts easily and suits almost any patio
  • Can be angled at 0 to 30° to get heat where you want
  • Fully automatic ON/OFF control system to turn it on with ease
  • Direct Spark Ignition with auto re-light and flame sensor system - for a reliable start every time
  • Dual-stage allows you to set the desired heat level (high/low) for your comfort
  • High-efficiency ceramic infrared burner system - energy-efficient heating
  • Perfect for 9' 1/2" to 12' mounting heights
  • Residential application recommended
  • Includes a wall switch for easy operation
  • Optional fascia trim available in stainless steel and black enhances its look
  • Optional wireless wall timer allows you to set and forget
  • Heat Coverage:
    • 34,000 BTUs (High): 12' x 12'
    • 25,000 BTUs (Low) 10' x 10'
  • Minimum Inlet Gas Pressure:
    • Natural Gas: 6.0” W.C.
    • Liquid Propane: 11.0” W.C.
  • Dimensions: 48” L x 8” H x 8” D
  • Weight: 55 lbs
  • Made in the USA
  • Warranty: 1 Year Parts & 3 Years Ceramic Burners

What's in the Box:

  • Gas Patio Heater - 1 pc.
  • Mounting Kit - 1 set
  • 24V Transformer - 1 pc.
  • Remote Control - 1 pc.


Download Product Manual Download Specs


Recommended for residential and commercial installation. Install multiple heaters to keep large outdoor areas warm.

CSA CSA (Canadian Standards Association for US & Canada)All Sunpak heaters are CSA  (Canadian Standards Association for US & Canada) certified and are equipped for clean burning, cost effective, and highly efficient Natural Gas or Propane fuels. Please consult your local building codes for proper installation and safety requirements. Sunpak heaters are design certified for outdoor use and outdoor installations only. 

 WARNING: Combustion byproducts produced when using this product include carbon monoxide and other chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to

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.

SUNPAK Infrared Heaters carry a 90-day commercial or one-year residential limited factory warranty. All heaters are stamped with the date of manufacture. Warranty is limited to repair of heaters at the factory or replacement parts. Any work or repair on a SUNPAK heater must be performed by qualified service personnel.

We are here for you

We understand that buying a fireplace online without seeing it in person can be challenging. Let us help!