Sunpak TSH 48-Inch 34,000 BTU Natural Gas Two-Stage Infrared Patio Heater - Black - S34 B TSH-NG
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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 of5

Questions & Answers (1)

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What is the difference between the Sunpak TSH 48" 34,000 BTU (S34B TSH-NG) and the Sunpak 48" 34,000 BTU S34 B-NG? thank you
Was This Helpful?
Hi Michael. The main difference is that the TSH, or Two Stage Heater, series has a low and high setting.

Asked by MichaelAnswered by Joey


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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. While UPS and FedEx are our carriers for smaller items, be aware that larger items and orders are shipped via freight. The freight process is a bit more complicated than what we’ve all come to expect for small parcels, so it’s important that you’re prepared and understand what’s required of you well before delivery day.

  • Most freight products ship on a pallet
  • Some carriers will call to schedule a delivery window, while others will deliver the shipment to a reasonably accessible location closest to your residence (their goal is to deliver as near a garage door as they can).
  • We’ll specify which process you can expect in your shipping confirmation email.

For carriers that schedule delivery appointments:

Carriers that schedule delivery appointments require you to be home for delivery and provide your signature. The delivery is made with a semi-truck with lift gate services, and the shipment is dropped off at the curb. If you authorize the shipping company to leave the delivery without a signature, BBQGuys can’t be held responsible for damages that occur during delivery. As complicated as this process may seem, we’ve only scratched the surface here — please review our detailed guide to freight delivery so there are no surprises when a freight shipment heads your way.

For carriers that deliver without an appointment:

Carriers that deliver without an appointment don’t require you to be home or set up a delivery window, and you aren’t required to sign for the pallet(s). Instead of scheduling an appointment, arranging your schedule to be home for the delivery, and signing to confirm receipt, you can sit back and let your items come to you. If you’re home at the time of the drop-off, you can request the driver place your delivery in the garage; if you’re out of the house, the driver will leave it near the garage or doorstep.

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