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This Mr. Heater 9,000 BTU propane hose assembly F273701 connects appliances designed for disposable propane cylinders to a 20-pound cylinder. It is one of Mr. Heater's most popular hoses and can be paired with the Portable Buddy and Heater-Cooker, which provide safe, portable heat indoors. This propane hose has a hand-tightened swivel on both ends and measures 5 feet long. It is backed by a 1-year limited manufacturer's warranty.

User Reviews about Mr Heater 9 - 000 BTU 5-Foot Propane Hose Assembly #F273701

5ft. hose was perfect lenght from where I installed Mr. Heater to propane tank on outside of workshop. Had no problem installing hose and lighting heater. -- 5Well pleased

I use this with a small propane heater to keep my boat cabin warm during winter fishing. I keep the tank outside for safety and use the hose to connect to the heater. Works great. I strongly recommend you use an in-line filter to keep any debris in the tank from clogging the heater. My first Mr. Buddy quit working after 1 1/2 seasons due to a clog. For the replacement unit, I have a filter installed (as recommended). -- Good Accessory

This hose assembly will convert from the small propane cylinder to the 20 lb tank. 5 feet of hose allows you to distance the cylinder away from the unit. The only improvement would be a longer hose, but in many cases 5 feet will be enough. -- Convert from small propane cylinder to 20lb propane tank

We needed a portable propane heat source during power outages in northern California. This hose was needed for the Mr. Heater Propane Portable heater. It's safe and easy to use. -- Propane hose review

I am very happy with my new Mr. Heater hose hook up, but it did need some tweeking.

I purchased the 12' Mr. Heater hose assembly, hooked it up, clicked the red Mr. Heater spark button and got a small pilot light to burn maybe 4 seconds. Then I could get nothing, no flame at all.

This is not uncommon, I am finding out. The problem has to do with the new OPD safty rigged propane cylinders. Actually, it is caused by a very good safty valve that makes a lot of sense.

There is an Excess Flow shut off valve in the new OPD units, so that your granddaughter dosen't accidently open up a cylinder in your garage and get frost bite or worse from propane shooting out. When the valve senses a sudden need for gobs of propane it shuts off or greatly limits the flow. Sounds like a good thing to me.

However, the people at Mr. Heater make no mention of this. That's not so good. It took me maybe 45 mins. to an hour searching on the internet and experimenting with my own hose before I got it working.

What worked for me was this:

Once the E.F. valve shuts off it wants to stay closed. So you want to bleed a small amount of "hiss" off the pressure valve. To do this, you will find a small slotted screw head on the side of the pressure valve up on top of the tank. Slightly loosen this, let it hiss for a moment then tighten it down again. Now, with Mr. Heater hose hooked up and Mr. Heater off, slowly open the propane cylinder, hopefully you will hear it hiss inside the hose for a moment. That means the valve intially opened and is slowly filling the hose. Wait maybe five minutes for it to fill the hose. Once the pressure in the hose equalizes, you should be able to light Mr. Heater.

This got me going. I hope it helps anyone else with the same problem.

Sincerely,

Randy

-- Propane Hose can be Quirky!