Nexgrill Rally 1-Burner Manual: A Step-by-Step How-To for Owners of Compact Single-Burner Grills

Before Your First Cook: Stage These Five Things on the Patio

Your single-burner grill is tiny compared to a full-size gas grill. That is exactly why setup goes wrong. One regulator, one venturi tube, one electrode - there is no redundancy. Before you dig through drawers for a manual, put these five items on the patio: a fresh 1 lb propane cylinder (or a bulk tank with the correct adapter hose), a spray bottle of 50/50 dish soap and water, a 3/8-inch or adjustable wrench, a clean rag, and your phone set to video the first light. The video matters. On a one-burner unit the flame is short and the wind is close, and a 20-second clip lets you replay whether the burner lit fully or only on one side. If you are cooking this weekend, stage the gear today. Nothing is worse than finding a missing regulator O-ring at 5 p.m. on a Saturday.

Is There Actually a Nexgrill 'Rally' 1-Burner? Read This Before You Search Again

This is the honest part. As of this writing, Nexgrill does not publish a product page, PDF manual, or retailer listing for a model called 'Rally' with a single burner. 'Rally' may be a marketing name from a specific promotion, a name a neighbor used, or a misreading of the box. It is not a reliable search term for a manual. The source of truth is the rating plate - the metal tag or sticker on the grill body, usually under the side shelf or near the control knob. Write down the full SKU, the serial number, and the gas type. If the plate says 'Nexgrill 720-XXXX' or '820-XXXX', that number is what you search, not 'Rally.' If you cannot find a plate, photograph the whole grill, including the burner and control panel, and use the support channel at Nexgrill Contact to identify it. This one step - trusting the plate over the box name - saves more frustration than any other advice in this guide.

Find the Right One-Burner Manual in Three Moves

Move one: search the full SKU string without spaces on Nexgrill's site. Many compact manuals live under the product page as a 'Guides & Documents' tab rather than a support page. Move two: if the brand site does not show a PDF, check the retailer where the grill was bought. Home Depot commonly hosts PDFs for compact Nexgrill units under that same tab. Move three: if the PDF is gone, use the current manual for a same-class single-burner grill (roughly 10,000-15,000 BTU, one knob, one regulator) as a structural reference - the sequence for assembly and leak-testing is nearly identical. Single-burner manuals are typically 4-8 pages plus a parts diagram; they are not thick books. A missing PDF does not mean you cannot cook safely this weekend. It means you follow the sequence below and use the parts diagram if you can find one.

How a Single-Burner Manual Differs From a Full-Size Grill Book

A six-burner manual spends pages on manifold assembly, side burner wiring, and warming rack placement. A one-burner manual almost skips all of that. What it does cover, in detail, is the regulator connection, the venturi tube alignment, and the igniter gap - the three places a compact grill fails. Expect the manual to show a parts diagram with maybe 15 numbered items, not 80. It will also emphasize clearance distances: keep the grill at least 10 feet from walls and overhangs and never under a combustible ceiling. That clearance note matters more on a low-BTU tabletop unit because you are likely to set it on a wooden deck or a balcony railing.

Assemble and Leak-Test in the Order the Manual Uses

The manual's order exists for a reason. First, attach the legs or fold-out cart and set the body upright on a level surface. Second, slide the venturi tube over the burner orifice - this is the one alignment that causes most low-flame complaints. Third, thread the regulator onto the cylinder, hand-tight, then check that the regulator body sits upright. Fourth, and only now, leak-test. Spray the soap solution at the tank-to-regulator connection and the regulator-to-manifold connection. Watch for bubbles for 30 seconds. If bubbles grow, stop and re-seat the fitting. Never use a flame to test for leaks. After the leak test passes, install the heat shield and grate. Do not skip the heat shield - on a single burner it is the only thing keeping grease off the tube.

Compare Two Single-Burner Options Side by Side Before You Committed

If you are still deciding between a compact one-burner and a slightly larger two-burner, do not rely on the box photo. Compare the regulator type, the cooking grate material, and the BTU rating at the same price point. Try comparing two products side by side below to see which fits best - the tool surfaces the exact specs that decide whether the grill fits a tailgate table or a balcony rail.

First Burn on One Burner: The 15-Minute Sequence

Once you have weighed two options against each other, here is what else matters after the box is open. The first burn on a single-burner grill is not a cooking session - it is a systems check. Open the lid. Confirm the control knob is off. Connect the cylinder and hand-tighten. Turn the knob to high and press the igniter. You should hear a click and see a short blue flame within two seconds. If nothing happens, turn the knob off, wait 30 seconds, and try again. On many compact units the regulator has a flow-limiting device; a fast-open cylinder valve can trip it. Close the valve fully, wait, and reopen slowly.

Let the grill run on high for 12-15 minutes with the lid closed. This burns off manufacturing oils and confirms the burner holds a steady flame. Watch for yellow tips or a flame that lifts off the burner. A slightly yellow flame that settles to blue after a minute is normal on a new burner. A flame that stays yellow or orange suggests a blocked venturi or a spider web in the tube - turn it off, let it cool, and inspect the tube with a flashlight.

Where One-Burner Owners Actually Get Stuck: The Troubleshooting Triangle

Single-burner problems almost always trace to one of three components: the regulator, the venturi tube, or the electrode/igniter. That is the troubleshooting triangle. Work through it in order - regulator first, venturi second, igniter third - because each one can mimic the others. A weak flame that looks like a regulator issue can actually be a venturi tube half off the orifice. A no-click condition that looks electrical can be a wet electrode after storage.

Wind, Preheat, and Low Output: The Physics of Cooking on 10k-15k BTU

A tabletop single-burner grill produces roughly 10,000-15,000 BTU - about one-tenth of a large gas grill. At that output, wind is not a nuisance; it is a heat thief. A 10 mph breeze across the lid can push preheat time from 10 minutes to 20 and make the burner struggle to hold 400°F. Position the grill so the wind hits the back or side, not the front control panel. If you are on a balcony, a simple wind screen - even a folded aluminum foil shield clipped to the side - makes a measurable difference. Do not enclose the grill; keep at least 10 feet of clearance from walls and never block the ventilation gaps.

Low output is also a fuel issue. A 1 lb disposable cylinder holds about 16 oz of propane and can chill during a long cook, dropping pressure. For anything longer than 45 minutes, a bulk tank with an adapter hose is more stable. Keep the cylinder upright and outdoors; never store it in a car trunk or a basement.

Cylinder Handling and Storage: The Rules That Actually Apply

Disposable 1 lb cylinders are convenient but unforgiving. Store them upright, outdoors, away from heat sources and out of direct sun. Do not refill a disposable cylinder - that is both unsafe and illegal in the U.S. If you use a bulk tank, keep it upright and secured, and close the valve after every cook. When you disconnect a cylinder, listen for a brief hiss; a continuous leak means the valve or the regulator seal needs attention. The U.S. Consumer Product Safety Commission and the U.S. Fire Administration both publish guidance on outdoor cylinder handling - worth a read if you store propane on a balcony.

A Pre-Cook Checklist You Can Read in 60 Seconds

• Rating plate SKU photographed and stored on your phone
• Regulator upright, hand-tight at tank and manifold
• Soapy-water test at both connections - no growing bubbles
• Venturi tube seated fully over the burner orifice
• Igniter tip dry, gap about 1/8 inch
• Grill at least 10 feet from walls, overhangs, and combustible rails
• Lid open at first light; closed for a 12-15 minute preheat
• Cylinder upright and outdoors; valve closed after the cook

If your grill matches none of the above and you still cannot find a manual, the support team at Nexgrill can identify a compact unit from photos. Browse the full Nexgrill product line to compare current single-burner and portable options.

Sources

• Nexgrill - All Products
• Nexgrill - About
• Nexgrill - Contact / Support
• NFPA - Grilling Safety
• U.S. Consumer Product Safety Commission
• U.S. Fire Administration