150K BTU Forced Air Natural Gas Portable Heater

I bought this heater to replace my propane torpedo heater in my garage so that I could get away from having to fill propane bottles all the time. Before I start.... I don’t need any reply comments telling me the dangers of using this heater indoors due to fumes, etc. I know. I open the garage door every hour or so and then close it again and I’ve never had a problem. First off, everyone needs to know that starving a gas appliance can be very dangerous. 150,000 BTUs requires a significant volume of gas. Most gas services at single family homes are about 4 to 8 ounces (.25 to .5 PSI), And gas pressure drops very quickly when you go through a hose, especially an undersized hose. Also, I would STRONGLY encourage you to call your gas company and ask them if your meter will even accommodate an additional 150,000 BTUs. On a brand new home, mine would not, and I was required to have the gas company set a new meter. Next, Ignore the suggested “often bought together” on Home Depot or other sites that sell this. None of them carry a quick disconnect hose that meets the manufacturer requirements. In fact I spent nearly an hour on the chat with the Home Depot support person one day and in the end they acknowledged that there was no way they could sell me anything that would meet the manufacturer requirements, and the person noted that they would be providing this problem to their supervisor. This heater comes with connection requirements that are very difficult and expensive to comply with, especially if you are wanting to put a quick disconnect hose on your “portable” heater. The manual was very hard to use as it NEVER tells you exactly what the connection type is on the heater. Finding a fitting to get you converted to readily available hoses or thread formats will be difficult. Based on manufacturer requirements you will need to step up from the equipment installed nominal 1/2” inside diameter fitting to a minimum 3/4” inside diameter hose. This is definitely not a commercially available hose or fitting set. With a quick disconnect, shut off valve, fittings to adapt to iron pipe and the GIANT hose that would NEVER wrap around the hose cleats they provide you’ll be pushing $200 in extra parts. Furthermore you’ll likely need to get this hose made by a specialty shop that presses fittings on custom hoses. I called the manufacturer and the tech support line had no information on how one would obtain an appropriate hose for the heater. The only piece of information he gave me was that the fitting on the heater was a 3/4-16 UNF fitting. He suggested I contact their engineering department. After a week or so of trying different plumbing supply stores that carried gas pipe I ended up at a place called Alternative Hose in Boise, ID. They said they could build the hose with all the disconnects and shut offs, but they’d have to order parts, it wouldn’t be cheap, and it would look basically like the giant hydraulic hoses on a backhoe. Instead I bought a fitting from them that got me from the connection on the heater to standard 1/2” tapered pipe thread thinking with that I could step up to 3/4”. That proved to be ridiculously difficult as well. There is no easy way around it, a 3/4” inside diameter natural gas rated hose is huge, expensive, and hard to find. In all fairness, the flexible piping that you can buy to connect to your water heater or furnace seems to thread directly onto the heater. That flexible piping is in NO way designed to be a portable, abrasion resistant, disconnectable hose and you are asking for trouble if you use it in that way. In the end I gave up and returned my heater, which is why I decided to share my struggles here. Hopefully I can save you the trouble.

Works great! Fast heat. Would be nice if BTU's could be adjusted/reduced along with the fan speed for consistantcy in heat delivery.

There is no hose commercially available for this heater that meets all of the specifications from the manufacturer's installation manual. Even a custom solution is not available as there is no SAE 45 degree flare fitting that can jump between a 3/4" ID flexible hose (3/4" ID minimum per manufacturer specification) and a 1/2" SAE 45 degree female flare fitting (mating fitting for fitting supplied with heater). A CSST (Corrugated Stainless Steel Tube) should not be used with this portable heater as CSST is not meant to be continuously flexed once installed. I have struggled with finding a hose for this heater for over a month. Dynaglo's responses for all plumbing questions regarding this heater are: "The unit needs to be installed by a gas professional who will know what type of connections to make." The specification in the manual for 3/4" ID supply line needs to be revised. I would be interested in hearing a response from Dynaglo or from a consumer who has actually used 3/4" ID hose. This unit is not worth dealing with.

Rating provided by a verified purchaser

I need to return one and don't have my reciept

Great little heater works good and natural gas

Auto relight stopped working after a few uses. Have to power off and power on to get it to fire up again

Rating provided by a verified purchaser

Rating provided by a verified purchaser

Works well