One of our regular service clients had the igniter on their pool heater go bad so we did a quick fix and replaced it with a new one.

Open gas furnace compartment with wiring and a multimeter placed on top, resting on gravel.
An open HVAC unit with an orange clamp meter measuring voltage, wires visible, and metal components exposed.
Two white plastic spark igniters with metal rods and electrical wires placed on cardboard, with a background of gravel stones.
Close-up of electrical wires connected to red insulated connectors, with a background showing metal surface and mounting bolts, labeled tags attached.