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Sunpak TSH 48-Inch 34,000 BTU Natural Gas Two-Stage Infrared Patio Heater - Stainless Steel - S34 S TSH-NG
List: $2,300.00 10% off ($227.00)
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Sunpak Infrared Heaters carry a 90-day commercial or one (1) year residential limited factory warranty.

Refer to manufacturers manual for full warranty details.

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The Skinny:

  • Radiant infrared heating
  • Mounts easily
  • Durable stainless steel
  • Adjustable temperature settings
  • Commercial quality

Things We Love:

Infrared Technology

If you want to keep your outdoor space warm in the most effective way possible, then radiant infrared heat is the way to go. Sunpak TSH-Series patio heaters are built around this heating method, which uses safe infrared waves to warm people and objects instead of the surrounding air. On top of preventing heat loss due to wind, this style of heating makes it so that you can direct the heat exactly where you want it and achieve deeper, lasting warmth. Thanks to radiant infrared heat, TSH-Series models can warm an area of about 144 square feet and resist winds up to 10 mph.

Fortunately, Sunpak lets you pair serious heat with style that won’t take away from the look of your outdoor area. TSH-Series units, which are all 48 inches long, come in either black-powder coated or 304 stainless steel finishes and are compatible with bronze, black and stainless steel trim kits that’ll help liven up your patio.

Convenient Controls

It’s one thing to create natural gas and propane outdoor heaters that generate such an efficient level of heat, but Sunpak also allows you to totally harness that heat with a few handy features. The first is easy-to-use electronic ignition, which fires up your heater with one push of a button. TSH-Series units also come with automatic re-ignition and a flame safety sensor that’ll cut off the gas flow to the heater after attempting to re-light an extinguished flame three times.

What really sets these heaters apart, though, is their two-stage setup with both a high (34,000 BTUs) and low (25,000 BTUs) setting that’s controlled by a hardwired wall switch. Because of this heating method, the TSH-Series boasts commercial quality and is perfect for businesses that rely on multi-heater systems to warm their outdoor spaces. As a bonus, the included mounting kit can be positioned between 0 and 30 degrees for a truly customized heating experience.

Things To Consider:

TSH-Series patio heaters should never be installed vertically — instead, make sure you choose a position that’s horizontal to the floor. Installation must also be in a well-ventilated area where air can circulate around the heater. Mounting a TSH-Series unit at an angle will increase the required clearance above the heater, so keep that in mind when picking a spot for it. TSH model patio heaters must be hardwired into a dedicated circuit. Always consult a certified electrician and plumber before installing gas patio heaters. These models carry a one-year residential warranty and a 90-day commercial warranty.

The outdoor heating experts at BBQGuys are always standing by at 1-877-743-2269 to answer your patio heating questions or to help determine your heating needs. Check out our Free Outdoor Living Design Service for inspiration or to find out how many units you will need to properly heat your outdoor space.

Overall Rating

3.7 (out of 5)

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Proposition 65

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WARNING: California Proposition 65. If not installed, operated and maintained in accordance with the manufacturer\'s instructions, this product could expose you to substances in the fuel or from combustion including carbon monoxide which can cause death or serious illness and which are known to the State of California to cause cancer, birth defects or reproductive harm. For more information go to

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Free Shipping on orders over $49

Ship your entire order to your home for free, especially the big stuff! *Continental US only

When Will My Item Arrive?

Once shipped, items usually arrive within 3–5 business days. If your item or order is large, it may ship via one of our third-party freight carriers, which deliver from semi trucks with lift gates. Freight delivery is much more complicated than standard parcel shipping — you must schedule a drop-off time, be present for the delivery, and move items from the curb to your residence, among other differences. Sound stressful? If you prepare in advance with our guide to freight delivery, it doesn’t have to be.

We strongly encourage reading the entire freight delivery guide, but here’s a quick snapshot of what you need to be ready for when you order a large package:

  • Your freight carrier will call you to schedule a delivery window of about 4–8 hours
  • You’re required to be physically present at the specified delivery location during the scheduled window
  • Freight shipments are carried in semi trucks, which have lift gates to assist with unloading
  • Freight deliveries are dropped off at the curb and no further — not up the driveway, not the porch, not the garage, and most definitely not the backyard — so it’s on you to transport packages to their intended location
  • For an easier time hauling items to your home or backyard, arrange for at least 2 helpers to be on standby during your delivery window
  • You must sign for the shipment to indicate that you’ve accepted the delivery

Again, we recommend reading our entire breakdown of freight delivery so you can become familiar with the process. Trust us when we say that getting caught off guard with the strict requirements of freight delivery can lead to a whole lot of headaches.

This item leaves our warehouse within 8-12 Weeks

$6.95 Flat-Rate Shipping

Anything under $49 ships at one low price. If your order increases, your shipping stays the same!

30-Day Returns

Return all new, unused, and unassembled items in their original packaging, and we'll give you a full refund minus the cost of the original AND return shipping.

No Restocking Fee

Most companies charge a restocking fee. We just don't do business that way.

Message to our customers: Like all retailers and manufacturers, we’re currently experiencing well-publicized supply-chain issues and steel shortages that have caused some orders to be delayed. We sincerely apologize for any inconveniences arising from this situation, and we assure you we’re making every effort to solve these problems with our vendors and logistical partners.

So, why are some orders being affected? Major ports around the world are still operating at reduced capacity because of COVID-19 restrictions — on average, container boats sit at port for about 3 weeks before being unloaded. Combine these shipping inefficiencies with a scarcity of natural resources, and virtually every industry has been crippled to some degree. Yet we acknowledge that it’s our duty to meet these challenges head-on and work toward solutions so you can enjoy more time outdoors with the people you love. We appreciate your patience as we strive to smooth out our supply chain, and we thank you for choosing us for your grilling and outdoor living needs.

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