Doyon JA28G Jet Air Quad-Chamber Gas Convection Oven, (28) 18" x 26" Pan Capacity, 260,000 BTU
The Doyon JA28G is a Jet Air gas convection oven with four independently controlled baking chambers (two double-stack sections), holding a total of 28 full-size 18" x 26" sheet pans. It is rated at 260,000 BTU/hr and is available for natural gas or liquid propane. Built-in Shot & Pulse steam injection and 500°F maximum temperature make it a bake-anything oven for breads, pastries and sheet-pan production.
Jet Air Reversing Airflow & Steam
Doyon's patented Jet Air system reverses the fan on a timed cycle: the wheel turns one way, comes to a full stop, then turns the other way. Reversing the airflow evens out the heat across the cavity, so product browns uniformly with little or no pan rotation, and the two-speed fan plus a programmable fan delay let delicate items such as meringues and puff pastry set before full airflow starts.
Steam is built in rather than bolted on. The Shot & Pulse system injects a measured mist of water into the chamber, either as a single shot or in repeated pulses, giving crusty breads, baguettes and bagels the glossy, crackled crust that dry convection cannot. A 1/4" water line feeds the system.
Why Operators Choose It
- Even bakes: reversing Jet Air fan with variable speeds and fan delay minimizes pan turning.
- Built-in steam: Shot & Pulse steam injection for crusty breads and bagels.
- Fast preheat: reaches 350°F in about 15 minutes; maximum 500°F.
- Recipe control: 99 programmable recipes with up to 8 baking stages per recipe.
- Independent chambers: each of the 4 chambers has its own controls, so different products bake at the same time.
- Visibility: full-view heat-reflective glass doors and a lit interior.
- Construction: stainless steel cabinet, fully insulated and sealed.
Controls
Digital programmable controls with temperature control to 500°F, a digital timer, delay start and 99 recipe programs of up to 8 stages each. Recipes can be uploaded and downloaded by USB to keep multiple locations consistent. A door switch stops the blower when the door opens.
Ideal For
Retail and in-store bakeries, cafes, pizzerias, schools and commissaries that bake bread, rolls, bagels, croissants, cookies and sheet cakes.
Specifications
| Model | JA28G |
| Series | JA Series |
| Type | Jet Air gas convection oven, quad-chamber |
| Baking chambers | 4 |
| Pan capacity | 28 full-size 18" x 26" sheet pans (3.25" spacing) |
| Maximum temperature | 500°F |
| Steam | Shot & Pulse injection (1/4" water line) |
| Controls | Programmable, 99 recipes / 8 stages, USB |
| Gas input | 260,000 BTU/hr |
| Gas type | Natural gas or liquid propane (select option) |
| Electrical | 208-240V, 1-phase, 18 A |
| Dimensions (W x D x H) | 72" x 53-5/8" x 73" |
| Product weight | 2335 lb |
| Certifications | NSF, cETLus |
| Country of origin | United States |
| Warranty | 2 years parts, 1 year labor |
Installation & Utility Requirements
Gas connection: 3/4" inlet; recommended supply pressure 7" W.C. natural gas or 11" W.C. propane.
Units on casters must be connected with a flexible gas hose and restraining device that meet local code.
Electrical service: 208-240V, 1-phase, 18 A, field wired per local code.
Water: 1/4" cold water line (water filter recommended).
Minimum clearances per Doyon: 1" sides, 1" back, 12" top, 12" front service.
Install by a qualified technician per local codes and the Doyon installation manual.
What's Included
- Four swivel casters (two locking)
Factory Options (Additional Cost)
- Water filter (PLF240)
- Perforated nickel pizza decks
- Gas quick disconnect kit
Warranty
2-year parts and 1-year labor limited warranty from Doyon (USA and Canada).
Download the Doyon JA28G spec sheet (PDF)
Specifications per Doyon data; subject to change by the manufacturer.
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