Grand Canyon High Capacity Outdoor 350K Electronic Ignition System
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The Grand Canyon High Capacity Outdoor 350K Electronic Ignition System is an in-wall electronic ignition system for large outdoor fireplaces. The valve, ignition module and 24V transformer are mounted in a metal box that goes in the wall near the fireplace, and a pilot assembly on a long lead runs to the burner. When you switch the fire on, the pilot sparks, proves the flame and opens the burner; there is no standing pilot.
It is the high capacity outdoor version of the EIS (model EIS-OUTDOOR-350), rated to 350,000 BTU on natural gas, for Jumbo stainless steel burners and the largest outdoor sets.
Burners it goes on:
Optional:
| Model Number | EIS-OUTDOOR-350 |
| Capacity | 350,000 BTU natural gas at 3" to 7" W.C.; 560,000 BTU propane at 8" to 14" W.C. |
| Ignition | 24V electronic, pilot on demand |
| Control Box | 12" x 12" x 4" outdoor metal enclosure |
| Maximum Inlet Pressure | 14" W.C. |
| Valve Temperature Rating | 175°F |
| Use | Outdoor |
Burner sizes it fits (2026 price guide)
| Burner | Natural Gas | Propane |
| 2-Burner, Glass, Kiva | 18" to 60" | 18" to 42" |
| 3-Burner | 18" to 42" | 18" to 42" |
| Jumbo, Jumbo Slimline | 24" to 120" | 24" to 120" |
The control box must be mounted where it can be reached later for service, within 5 ft of the fireplace with the 6 ft pilot lead or within 9 ft with the 10 ft lead. The system must be installed by a qualified installer.
The price guide does not state the pilot lead length for this model; our listing has it as 6 ft. If you are on propane, tell us so we can confirm how it ships.
Valves and electrical components installed outdoors: one year from the purchase date, when installed by a certified gas installer and used with Grand Canyon products. Batteries are not covered. Warranty is limited to the original purchaser.