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Dedicated propane line to blackstone griddle
Posted on 7/15/21 at 10:01 am
Posted on 7/15/21 at 10:01 am
So at the new house, there is a 1/2" valve on the back patio that is connected to a 120 gal propane tank.
I'd like to connect it to my blackstone. The blackstone fitting is 3/8", so I imagine I'll need a 1/2 to 3/8 adapter and a 3/8 hose. Do I need a hose with a regulator?
I'd like to connect it to my blackstone. The blackstone fitting is 3/8", so I imagine I'll need a 1/2 to 3/8 adapter and a 3/8 hose. Do I need a hose with a regulator?
4
Posted on 7/15/21 at 10:10 am to indytiger
Doesn't your Blackstone have control knobs?? I think that would be all the regulator you need.
Posted on 7/15/21 at 10:11 am to indytiger
Does the 120 gal tank have a regulator at the outlet?
Posted on 7/15/21 at 10:12 am to Trout Bandit
Bottle pressure has to be regulated. The knobs control gas flow to burner, not pressure.
Posted on 7/15/21 at 10:21 am to indytiger
Check propane gear, it is where I got the host to connect my grill to camper.
Propane Gear
Propane Gear
Posted on 7/15/21 at 11:52 am to Jack Daniel
quote:
Does the 120 gal tank have a regulator at the outlet?
Good question, I imagine it does b/c it also supplies my oven/range.
Posted on 7/15/21 at 12:19 pm to indytiger
Yes, if it’s supplying your range then it’s regulated. Appliances call for 11-13”WC supply pressure which will work for the griddle too. No need to use the griddle regulator
This post was edited on 7/15/21 at 4:33 pm
Posted on 7/15/21 at 2:47 pm to Jack Daniel
quote:
Yes, if it’s supplying your range then it’s regulated. Appliances call for 11-13” of water pressure supply which will work for the griddle too. No need to use the griddle regulator
Perfect. Thank ya. Also, would this also work for a crawfish boiler or fish fryer if I wanted to hook one up?
This post was edited on 7/15/21 at 3:04 pm
Posted on 7/15/21 at 3:53 pm to indytiger
Fish fryer yes, crawfish boil burner no. Jet burners need more pressure
Posted on 7/16/21 at 1:23 pm to indytiger
I am reluctant to mention this, but you might be able to find a multi-jet burner one example that will produce enough heat to boil crawfish.
But before you go buy one, you'll need:
- the pressure setting on your propane regulator
- line sizes and lengths of your propane system piping
- BTU content of propane @ regulator pressure in BTU/CF (this guide may help)
This info, along with the heat capacity of the burner are used to calculate flow rate and pressure drop in your piping. There are multiple online calculators to do that.
Separate propane tank with HP regulator to a single jet burner is easier, but the above approach is possible assuming your piping can handle the flow.
But before you go buy one, you'll need:
- the pressure setting on your propane regulator
- line sizes and lengths of your propane system piping
- BTU content of propane @ regulator pressure in BTU/CF (this guide may help)
This info, along with the heat capacity of the burner are used to calculate flow rate and pressure drop in your piping. There are multiple online calculators to do that.
Separate propane tank with HP regulator to a single jet burner is easier, but the above approach is possible assuming your piping can handle the flow.
Posted on 7/16/21 at 1:38 pm to Jack Daniel
Another question for you experts. The male fitting on the griddle is a 3/8 flare. The valve coming out of the wall is a 1/2 regular. What kinds of fittings and hose do I need to connect this? Never dealt with flare fittings before.
Posted on 7/16/21 at 4:00 pm to indytiger
Good advice, just throwing it out there that you will love it hooked up like that.
Posted on 7/16/21 at 4:08 pm to indytiger
The best place to find flared fittings and hose is an outdoor cooking store, like Goodwood Hardware. They're not the only but the first to come to mind. They will also have the female quick connect fittings that your hose end will plug into.
I've had good experiences with Tejas Smokers. They carry everything you need as well.
You can find fittings at Home Depot, as well as shutoff valves rated for low pressure gas service. Couldn't find any suitable hoses.
Beware that there are various types of flared fittings. Use the SAE series so that everything matches up (and doesn't leak).
I've had good experiences with Tejas Smokers. They carry everything you need as well.
You can find fittings at Home Depot, as well as shutoff valves rated for low pressure gas service. Couldn't find any suitable hoses.
Beware that there are various types of flared fittings. Use the SAE series so that everything matches up (and doesn't leak).
Posted on 7/31/21 at 10:48 pm to Jack Daniel
New question: I ended up finding the right hose and fittings at a local hardware store. Hooked it up, and get the tiniest flame on my blackstone. What gives? After that, I went and bought a regulator to hook onto the line, to see if that was the issue. Didn't work. Now I'm just confused.
Posted on 8/1/21 at 6:48 am to indytiger
How long is the line from your 1/2 valve? I assume the line you ran is 3/8", and it is causing a large pressure drop. Adding a second regulator just added another pressure drop. You should run a 1/2" line from the 1/2" valve right up to the griddle, then reduce from 1/2" to 3/8" and connect to the griddle. If the flame is still too small you'll need to increase the pressure at the regulator on your storage tank. Increasing the pressure may, or may not affect the performance of your range. Since you are dealing with a flammable gas, and you are inexperienced in this, I'd enlist the help of a professional.
Posted on 8/1/21 at 5:13 pm to LsuFan_1955
quote:
How long is the line from your 1/2 valve? I assume the line you ran is 3/8", and it is causing a large pressure drop. Adding a second regulator just added another pressure drop. You should run a 1/2" line from the 1/2" valve right up to the griddle, then reduce from 1/2" to 3/8" and connect to the griddle. If the flame is still too small you'll need to increase the pressure at the regulator on your storage tank. Increasing the pressure may, or may not affect the performance of your range. Since you are dealing with a flammable gas, and you are inexperienced in this, I'd enlist the help of a professional.
Thanks! You are spot on, it is a 3/8 line, 12 feet long.
This post was edited on 8/1/21 at 5:15 pm
Posted on 8/1/21 at 6:33 pm to indytiger
You're welcome, let us know how it works when you replace it with a 1/2" line.
Posted on 8/4/21 at 12:28 pm to LsuFan_1955
quote:
welcome, let us know how it works when you replace it with a 1/2" line.
Well I feel like a real bonehead. I went to the propane store to pick up a 1/2 hose, and they asked what for? I explained the situation and they said before I buy an expensive hose, check for spiderwebs and dirt dobbers at the griddle itself. Sure enough, a tiny dirt dobber clod was caking up the inlet to the griddle. Cleaned it, working great now!
Posted on 8/4/21 at 1:07 pm to indytiger
awesome to hear and awesome of the store to tell you that. 
Posted on 8/4/21 at 7:55 pm to LsuFan_1955
quote:
How long is the line from your 1/2 valve? I assume the line you ran is 3/8", and it is causing a large pressure drop.
That wouldnt create a pressure drop it would decrease volume. The gas would increase in velocity going from 1/2 to 3/8 but the pressure would stay the same with less volume.
Think of a water hose wide open then putting on a spray nozzle. Lower volume higher velocity.
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