What is the difference between 12V and 24V configurations on a linear track?

Neither carries household current out to the burner, since the transformer handles that conversion upstream. A 24V system tolerates longer wire runs with less voltage drop, which suits tracks positioned well away from the transformer or multi zone installations. A 12V system handles shorter single track runs where distance between the power source and the valve is minimal.

How does flame sensing work across an elongated burner track?

A sensing probe monitors a specific portion of the track and reports flame presence to the control module. If flame disappears at the probe, the module closes the gas valve within seconds. Probe placement matters more on a long track than a compact burner. Wind can extinguish one section while others keep burning, so the probe should read the most stable portion.

How does water drain away from narrow burner ports?

Pan weep holes positioned along the length carry water away before it reaches the ports or the control compartment. A narrow tray offers less internal volume than a wide pan, so standing water reaches critical components faster. Keeping those weep holes clear of accumulated media dust is a routine seasonal task rather than a one time installation step.

Why does my linear burner light unevenly along its length?

Uneven flame along a single axis track indicates longitudinal pressure drop rather than a defective manifold. Gas entering at one end arrives at the furthest ports with less pressure, particularly on runs beyond a few feet. A center fed configuration, a larger supply pipe diameter, and higher flow connectors all address the same underlying cause.

How much media should sit above a linear burner?

One to two inches above the ports, kept consistent along the full run. A narrow track shows depth variation far more obviously than a wide tray, so checking at several points along the length matters. Excess depth in a narrow pan chokes airflow quickly and produces the yellow flame usually blamed on the gas supply.

Linear Burners

A linear burner draws a single line of flame along a wall, a bench, or a pool edge, turning fire into architecture rather than a centerpiece. Browse our catalog to compare track lengths and automated control configurations.

Narrow Track Plumbing and Transformer Guide

A narrow single-axis manifold is the least forgiving shape in the entire outdoor fire feature category. Because the footprint is so slim, there is no extra lateral width to conceal a gas pressure drop, a drainage flaw, or a poorly placed control module. Designing and installing a linear burner requires precise planning around longitudinal fuel delivery, electrical voltage sizing, weatherproofing, and safety pilot alignment to guarantee clean, continuous flame presentation from end to end.

What Does a Single Axis Track Give You?

A single-axis linear track provides a sleek, clean architectural line and an exceptionally small physical footprint. A narrow linear track fits effortlessly along a seat wall cap, a pool coping run, or down the central spine of an outdoor dining table.

In contrast, a traditional Round burners ring demands far more surface area and lateral clearance, making it impractical for narrow hardscape features. That narrow footprint is exactly why a linear track pairs so often with automated electronic ignition from our gas fire pit kits range rather than basic manual match lighting, as automated controls deliver push-button convenience and remote flame monitoring within a tight spatial enclosure.

How Does Pressure Behave Over a Long Narrow Run?

Longitudinal fuel pressure drop is the defining engineering challenge when plumbing a narrow linear burner:

Pressure Loss Over Distance: Every foot of narrow manifold creates friction loss, causing gas pressure to drop between the primary inlet and the furthest burner port.
Center Feed Advantage: Utilizing a center-feed gas inlet splits the travel distance in half, balancing fuel delivery and equalizing flame height across the entire track.
Limited Buffer Volume: A narrow manifold cross-section leaves far less internal volume to buffer gas pressure compared to a wide, open manifold.
Identifying Flow Starvation: The classic symptom of improper supply piping is a track that lights brightly at one end and thins out toward the far end, unlike compact square burners grids that distribute pressure evenly across a cross-grid pattern.

Where Does the Safety Pilot Sit on a Single Axis Track?

Pilot alignment matters more on a single-axis track than on any other burner geometry. The flame-sensing thermocouple or micro-amp probe must sit where the flame reliably reaches it under all operating conditions.

On a long, narrow track, a sudden crosswind gust can temporarily extinguish one section of flame while other portions keep burning. Positioning the safety pilot assembly at the most stable portion of the track prevents frustrating nuisance shutdowns while still catching a genuine flame-out event. Wider rectangle burners manifolds are less exposed to localized flame-out because their broader flame beds shield the pilot assembly from direct side drafts.

12V or 24V for a Long Track?

Distance from the power source dictates your electrical voltage requirements, not the burner size itself:

24V Low-Voltage Systems: A 24V ignition system carries electrical current significantly further with minimal voltage drop. This makes 24V ideal for linear tracks set far away from the transformer or multi-zone commercial layouts running several burner sections simultaneously.
12V Low-Voltage Systems: A 12V system handles shorter, single-track residential runs comfortably where the transformer sits close to the enclosure.
Step-Down Transformer Safety: Neither configuration puts raw household current anywhere near the burner pan. A step-down transformer handles power conversion well upstream inside a dry electrical enclosure.

How Do You Waterproof Controls on a Narrow Pan?

A narrow burner pan gives water fewer places to drain and gives you far fewer locations to conceal a control module. Always specify a control housing with a genuine NEMA-rated outdoor weatherproof rating rather than relying on a basic water-resistant label.

Position the module clear of direct roof drip lines or patio overhang runoff, and confirm that pan weep holes channel water completely away from the electronic compartment. Inspecting housing gaskets and wire entry seals each season takes just a minute and prevents costly electronic failures.

Which Geometry Fits Your Space Better?

Selecting a linear track is a deliberate aesthetic choice, but it is not always the right fit for every hardscape layout:

Circular Seating Areas: A circular seating area calls for a round burner ring, where guests gather facing the central flame equally from all sides.
Wide Rectangular Vessels: A wider elongated fire table tray requires multi-row rectangular burner coverage to fill the vessel without leaving wide dark zones.
Commercial Certified Systems: HPC Fire Burners supply certified, pre-assembled commercial-grade components engineered for high-traffic public installations.
High-Output Brass Jets: Crossfire Burners utilize precision brass venturi jets to produce taller, fuller flames on measurably less gas consumption.

What Ventilation Does a Narrow Enclosure Need?

A narrow linear enclosure requires the same 18 to 24 square inches of open vent area that building codes mandate elsewhere, distributed evenly along the length rather than clustered at one end. A long, narrow trench cavity traps stagnant gas vapor much more readily than a wide, open box, making proper vent placement even more critical.

Position vents low near the floor for liquid propane because propane is heavier than air and settles in low pockets. Position vents high near the top rim for natural gas because natural gas is lighter than air and rises.

What Justifies the Engineering Premium?

Marine-grade 304 stainless steel framing holds a long, narrow span rigid without bowing or warping under repeated, severe heat cycling. Waterproof hot-surface igniters light reliably in damp or windy conditions that frequently defeat a standard spark probe.

Furthermore, internal microprocessors continuously monitor the flame, automatically cutting fuel flow if wind takes out part of the flame track, the exact failure mode this narrow geometry is most exposed to. For non-standard track lengths or custom patio dimensions, tailored solutions pull directly from our custom build kits range.

Are You Ready to Upgrade Your Linear Fire Pit Track?

A linear run usually gets specified because the surrounding architecture demands a sleek, continuous line of fire, making track length and control module placement the first two critical decisions. Send our technical specialists your total run length, the measured distance to your power source, and your fuel type. We will confirm your voltage requirements, calculate wire gauge, and verify your gas feed position before anything ships to your job site.

Frequently Asked Questions

What is the difference between 12V and 24V configurations on a linear track?
Neither carries household current out to the burner, since the transformer handles that conversion upstream. A 24V system tolerates longer wire runs with less voltage drop, which suits tracks positioned well away from the transformer or multi zone installations. A 12V system handles shorter single track runs where distance between the power source and the valve is minimal.
How does flame sensing work across an elongated burner track?
A sensing probe monitors a specific portion of the track and reports flame presence to the control module. If flame disappears at the probe, the module closes the gas valve within seconds. Probe placement matters more on a long track than a compact burner. Wind can extinguish one section while others keep burning, so the probe should read the most stable portion.
How does water drain away from narrow burner ports?
Pan weep holes positioned along the length carry water away before it reaches the ports or the control compartment. A narrow tray offers less internal volume than a wide pan, so standing water reaches critical components faster. Keeping those weep holes clear of accumulated media dust is a routine seasonal task rather than a one time installation step.
Why does my linear burner light unevenly along its length?
Uneven flame along a single axis track indicates longitudinal pressure drop rather than a defective manifold. Gas entering at one end arrives at the furthest ports with less pressure, particularly on runs beyond a few feet. A center fed configuration, a larger supply pipe diameter, and higher flow connectors all address the same underlying cause.
How much media should sit above a linear burner?
One to two inches above the ports, kept consistent along the full run. A narrow track shows depth variation far more obviously than a wide tray, so checking at several points along the length matters. Excess depth in a narrow pan chokes airflow quickly and produces the yellow flame usually blamed on the gas supply.