Fire Bowls on Pillars and Columns: Sizes, Mounting and Gas Lines (2026 Guide)

Pillars and columns are where fire bowls look best: at the corners of a pool, at the top of the steps, beside an entrance. The bowl lifts the flame to eye level, and the column hides every pipe. This guide covers the questions pool builders and homeowners ask us most, using the real specifications of The Outdoor Plus Cazo, Maya and Sedona bowls.

Why designers put fire bowls on pillars

• The flame sits at eye level. On the ground a bowl is a low accent; on a 24 to 36-inch column it becomes the focal point of the pool.
• The gas line disappears. The pipe runs underground and up the middle of the column, so nothing shows on the deck.
• Symmetry. A pair of columns frames steps, a spa or a view, which is why pillar bowls are usually ordered two at a time.
• Room for water. On a pool edge, a column lets a fire and water bowl pour a sheet of water into the pool below.

Maya bowls on entrance columns: fire only, no water needed.

Which bowl size fits your column?

The key number is the base, not the bowl width. The base is what sits on the column cap, and it is only 10 to 20 inches on most bowls. The bowl itself can hang over the edge. This table shows how far each size overhangs a column top on each side.

Rule of thumb: for a slim, tailored look, match the bowl to the column (24-inch bowl on a 24-inch column). For a bolder look, choose a bowl 6 to 12 inches wider than the column, which gives 3 to 6 inches of overhang per side. Very large bowls like the 48-inch Cazo need a 24-inch or wider cap because of their 20-inch base.

A Cazo bowl overhanging a tiled column. Photo: Pool Logic.

Base sizes and heights (Cazo, Maya, Sedona)

Not sure which shape you want? Cazo is round with soft curved sides, Maya has straight tapered sides, and Sedona is wide and shallow. See Cazo vs Sedona vs Maya for a side-by-side.

The Outdoor Plus fire bowls, fire pits and fireplaces in 24 seconds.

How the bowl mounts: bracket, hole and anchors

Every The Outdoor Plus fire bowl ships with a ventilating mounting bracket. It lifts the bowl slightly for airflow and anchors it to the column cap. From the installation manual:

1. Center hole no larger than 4 inches (square or round). Any larger and the bracket cannot be secured properly.
2. Use the bracket as a template to mark the anchor holes, and avoid grout seams.
3. Anchors are not supplied; your mason uses anchors suited to the cap material.
4. Install the bracket correctly: The Outdoor Plus states the warranty is void if the mounting bracket is not properly installed.

A row of bowls on matching columns. Photo: Pool Logic.

Running the gas line through the column

The manual is specific about gas lines on pillars and walls:

• Underground piping to each bowl, reduced to 1/2-inch NPT at the bowl.
• Center the gas line in the middle of the column.
• Only stainless steel whistle-free hoses at the bowl. Yellow corrugated flex lines should not be used, and lines must not be kinked.
• A key valve within arm's reach of the burner on match lit bowls. Key valves are sold separately; The Outdoor Plus can install one at the factory (part OPT-KVI).
• A licensed gas professional makes the connection, following NFPA 54 and local codes.

Natural gas or propane both work. Natural gas needs 3.5 to 7 inches of water column, propane 8 to 11. For propane by a pool, the tank sits out of sight and a buried line runs to each column. We cover gas and ignition choices in detail in match lit vs electronic fire bowls and pool automation.

Gas runs underground and up the center of the column, so the deck stays clear.

Clearances and the cap stone

The Outdoor Plus specifies 48 inches of clearance on the sides from structures or combustibles and 96 inches overhead. Keep pillar bowls away from pergola beams, umbrellas and overhanging trees.

The manual also recommends keeping granite, marble or other dense stone away from heat and especially flame, because of the risk of cracking. Discuss the cap material with your mason before the column is finished. The included mounting bracket lifts the bowl and provides ventilation.

Copper bowl on a stone pillar. Leave 48 inches to walls and plants.

Fire and water bowls on pillars

A fire and water bowl adds a scupper that pours into the pool. On a column you need two lines: gas and a water line from the pool pump. The Outdoor Plus rates its standard scuppers at 7 to 10 gallons per minute per bowl, so your pool pro sizes the pump and adds a way to balance the flow between bowls. Face the scupper toward the water and set the column at the pool edge so the stream lands in the pool, not on the coping.

Fire and water bowls on pillars at the pool edge.

Planning costs for a full pool project? Read fire and water bowls: sizes, materials and cost and how fire and water bowls work with a pool.

One bowl, a pair or a row?

• A pair is the classic choice: two columns at the corners of the pool, the steps or the entrance.
• A row of three or more along a raised pool wall makes a statement on larger pools, as in the Pool Logic photos above.
• A single bowl works as a focal point at the end of a pool or on a garden pedestal.

Every bowl is built to order in California and ships in about 3 to 4 weeks by freight. Each GFRC bowl is hand-finished, so slight color and texture variation between bowls is normal.

Frequently asked questions

What size column do I need for a fire bowl?

Check the bowl's base, not its width. Most Cazo, Maya and Sedona bowls have a 10 to 20-inch base, so a 20 to 24-inch column fits most sizes. The 48-inch Cazo has a 20-inch base and needs a 24-inch or wider cap.

Can a fire bowl be wider than the column?

Yes. The bowl overhangs the column and only the base sits on the cap. A 30 to 33-inch bowl on a 24-inch column overhangs 3 to 4.5 inches per side, which is a common look.

How big is the hole for the gas line in the column?

The Outdoor Plus specifies a center cutout no larger than 4 inches square or round, so the mounting bracket has enough surface to be anchored.

Does the mounting bracket come with the fire bowl?

Yes, The Outdoor Plus fire bowls ship with a ventilating mounting bracket. Anchors are not included; your installer chooses anchors for the cap material.

Can I use propane for a fire bowl on a pillar?

Yes. The bowl is set up for propane at the factory, and a gas professional runs a buried line from a tank placed out of sight to the column. Natural gas works the same way from your house line.

What clearances does a fire bowl need?

48 inches on the sides from structures or combustibles and 96 inches overhead, according to The Outdoor Plus installation manual.