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Sunpak 48-Inch 34,000 BTU Propane Infrared Patio Heater - Stainless Steel - S34 S-LP
List: $2,150.00 10% off ($214.00)
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Sunpak Infrared Heaters carry a 90-day commercial or one-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 hi-temp powder coated paint
  • 25,000 & 34,000 BTU models available
  • Commercial grade

Things We Love:

Efficient and Versatile

Sunpak S-Series patio heaters are among the best on the market in terms of both performance and style. They use either propane or natural gas to produce infrared heat, which gives them an edge over traditional patio heaters. By using infrared heat, S-Series units send out safe but directional heat waves that warm people and objects rather than just nearby air, and their aluminum grill guards aid in weather resistance. These outdoor heaters are available in 25,000 BTU and 34,000 BTU models which can heat areas of about 100 square feet and 140 square feet respectively.

With that efficient heating power come several design options that can be tailored to fit the décor of your outdoor space. All S-Series heaters are 48 inches long, but you can pick between a 304 stainless steel or black powder-coated finish depending on your aesthetic needs. Your can further customize your sleek Sunpak heater with trim kits in bronze, black or stainless steel. For your convenience, S-Series units can be easily positioned on your wall or ceiling thanks to an included mounting kit.

Safety-First Design

When it comes to patio heaters, perhaps the only thing more important than performance is safety. Sunpak had that in mind when crafting its S-Series models that sport flame sensor features and automatic re-ignition. If the heater detects that the flame has gone out, it will attempt to re-light three times before shutting off the gas to prevent waste or potential harm to you and your guests.

These heaters also operate on electronic ignition that puts you in control with a simple push of a button. They even come with a 120-to-24-volt transformer so you can plug them directly into a standard outlet. Thanks to these safety features, you can have peace of mind while enjoying the warmth from an S-Series heater on a chilly evening.

Things To Consider:

Because S-Series models don’t include vents, they can’t be recess-mounted and must be installed in a well-ventilated area with a continuous supply of fresh air. Remember to always consult a licensed plumber and electrician for installation. These units carry a 90-day commercial warranty and a one-year warranty for any residential use. If you have questions about properly heating your outdoor area, visit our Free Outdoor Living Design Service or call one of our experts today at 1-877-743-2269. They are always standing by to answer all your outdoor heating questions.

Overall Rating

3.6 (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

Shipping & Returns

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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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