Parts Explained 4 of 8
Igniters: Spark Electrodes, Glow Igniters and the Module
The part that lights the gas at each burner: a hot-surface igniter that glows on a current Viking 5 Series grill or, on older Viking grills, an electrode that throws a spark across to the burner.
Where does each part of the ignition sit?
On a current 5 Series, every burner has its own hot-surface igniter under a small cover beside it, below the grates and briquette trays. Power reaches them from a 12-volt transformer that Viking has installers place below the grill, fed from an outdoor GFCI outlet.
Older Viking grills that spark put an electrode tip beside each burner, with a lead running back to the sparker behind the control panel. Push-button models carry the battery that powers it; each model’s manual shows where.
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What has to match when an igniter is replaced?
The system first: a glow igniter and a spark electrode are not interchangeable. Then the grill itself, identified by its model and serial number, since Viking asks for both before any service. A spark electrode also needs its lead to reach the terminal along the old route, clear of hot surfaces.
Viking’s guide asks for genuine parts whenever a repair fits one, so the warranty is kept.
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What wears an igniter out?
Heat, water and grease, mostly. Viking warns that foil lining the grill can melt ignition modules, and that wind driving hot gases back over the control area can melt igniter wires. A spark electrode that is greasy, wet under a leaky cover or cracked may spark weakly, or jump to the nearest metal instead of the burner.
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When is the module the failed part?
The sparker on an older grill, or the transformer on a 5 Series, is what every burner shares. One burner failing while the rest light points at its own igniter or lead. Every burner failing together points at the shared parts: the outlet or battery first, then the module or transformer itself.
Before any transformer is replaced, Viking’s reset comes first: disconnect the power, wait five minutes, reconnect.
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What does fitting one involve?
Grates and trays out, often the burner beside it too, then the new igniter set under its cover or the electrode fixed at its burner, and the lead routed the way the old one ran. Every burner is then lit in turn to prove it. How to tell which fault you have by what you hear at the knob is in the Patio & Pour series of the Field Notes.
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Follow-ups
Why did a new igniter fail the same way as the old one?
Because the part was the symptom. Viking warns that foil lining the grill traps heat that can melt ignition modules, and that wind driving hot gases back over the controls can melt igniter wires; a leaky cover keeps a tip wet. If the cause stays, the new part goes too. Woodinville Viking Repair, (425) 321-3414, looks for it before fitting another.
Can a glow igniter replace a spark electrode, or the other way round?
No. They work on different principles and are fed differently: a 5 Series runs its glow igniters from the grill's transformer, while older grills spark from a battery or a plug-in sparker. The replacement follows the system your grill already has, matched to its model and serial number. Woodinville Viking Repair, (425) 321-3414, identifies both on the visit.