This is the best option for your Mr. Heater Big Buddy, and I'll tell you why, and I'll give you a useful tip.
USEFUL TIP:
When you first connect this, and try to fire up your heater, You will be surprised at how long it takes to light your heater. Because it is 12', and because the gas is regulated to a very low pressure at the tank side of the hose, IT TAKES A FULL 90 SECONDS FOR THE PROPANE TO FILL THE HOSE AND REACH THE PILOT LIGHT. I have tried it seasonally four times now. It is not 70 seconds. Not 80. It is 90. Every. Time. I suggest you connect, open the propane tank, twist your knob and hold it down (prime) for 80 sec before you even try to light it with a new hose. Don't be tricked by a very faint smell of propane, it will take 90 seconds. Have I driven the point hard enough? But only need to do this priming once a season; I can swap out propane tanks and will not need to repeat the 90s priming.
PROS OF THIS HOSE:
- it has a pressure regulator on the hose at the tank side, which is why it costs more, but the regulator offers a consistent 1/2psi of pressure to your heater.
- the low pressure is safer in case of propane leakage in the system (hose, heater, element). You are less likely to have leaks with lower pressure.
- the low pressure means that your hose will not leech the rubber oils that ruin so many people's Big Buddy. You don't need a filter at the heater side because there is no leeching.
- powers the heater on full for a long, long time.
- has a great, easy to hookup fast connector for the heater. Face your heater, open the tank compartment on your left, and look for the 4" shiny connector dropping down from the top behind the in-built regulator hookup for the small 1lb tank. That's where you connect.
- using this, you spare your internal connectors and regulators for when you go mobile. Eventually, regulators get used, gummy, or go bad. If you use this hose, your internal regulators last longer.
- when you shut off the propane from the tank, the heater dies out very quickly. I understand that with the high-pressure hose, it takes a while for the propane in the hose to burn off.
CONS:
- costs more than high-pressure hose. Seems like a lot of cash for a hose.
- the regulator may eventually gum up. Mine has. I used it every workday in my home office for 14 months (that's a lot), and now found my heater was cutting out when on the highest setting. So I bought a new hose like this, and instantly my heater is working 100% again. But instead of gumming up my internal regulators (and ruining the whole heater) I wore out the cheaper hose.
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From the manufacturer
12ft Big Buddy Hose with Regulator
Big Buddy 12ft Hose with Regulator is most commonly used to hook a 20 lb. Propane Tank to the Big Buddy heater.
- Quick Connect x Regulator with Acme Nut
- Used to hook a Big Buddy or Tough Buddy to a 20 lb. propane cylinder
- Hose material stretch tested to 400 psi
- Hose material pressure tested to 600 psi
- Solid brass fittings
Videos
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Mr heater adapter hose for large tanks
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How to level up your Mr. Heater Big Buddy / REVIEW
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Compare with similar items
This Item  Mr. Heater F271803 12ft Big Buddy Hose with Regulator,Multi |  |  |  | |
| Price | — | $35.99 | -36% $24.99 List: $39.19 | -17% $19.99 List: $23.99 |
| Delivery | — | Get it as soon as Friday, May 17 | Get it as soon as Friday, May 17 | Get it as soon as Friday, May 17 |
| Customer Ratings | ||||
| Easy to install | ||||
| Easy to use | ||||
| Value for money | ||||
| Durability | ||||
| Accuracy | ||||
| Sold By | — | DOZYANT | Amazon.com | Amazon.com |
| material | Rubber | — | Other | Stainless Steel |
| size | Small | — | One Size | 5 Feet |
| weight | 1 pounds | 1.4 pounds | 1.52 pounds | — |
Reviews with images
Only for Big Buddy
This hose assembly only works on Big Buddy models, so don’t get it for any others (Buddy, Hunters Buddy, Flex, etc). It eliminates the need for the “Filter” to avoid possible heater damage from oils in most rubber hoses, so although it costs more than many it’s easier to connect (once you’ve done it a few times). Don’t order a “filter” with this, it doesn’t connect anywhere on this. The QD connection is in the end farthest away from the control knob on the heater (see pics of it with and without hose). If you want the heater to last as long as possible, using this regulator (saving the wear on the built-in ones) can extend the life (where this is easily replaced when needed). Otherwise I can get the heater to go on high using a hose like F273704 to the “disposable tank” port (others say you won’t go to high using it, but look at my pics). It can take a few minutes to get gas thru either hose to the heater and get lit, but it will go.The one issue some seem to have is the OPD tank connector. I’ve seen one of those where it wouldn’t open the hidden “safety valve” on tanks because a small plastic sleeve/washer was warn inside and wouldn’t force the brass fitting in (see pic). Someone with a 3D printer made a replacement sleeve easy, but that shouldn’t be needed from normal connecting & disconnecting (making me wish they put a POL fitting on it if all those have that issue after 30+ uses). I realize many like the standard tightening of the OPD and it may go quicker, but if it wears out that easy I’ll take the POL. At least the regulator has ¼ NPT on both sides where it seems you can replace it without needing to throw out the whole hose.
Top reviews from other countries
Buzzlightyear
Great Accessory for my Mr. Big Buddy Heater
Reviewed in Canada on January 20, 2014Roger Feighney
Works like a charm and it's easy to setup
Reviewed in Canada on March 26, 2024