Featuring a 5/8" male x 5/8" female flare connection and a 30-inch capillary tube

optimized to move high volumes of air across the coils while maintaining static pressure balance

allowing for an automatic reset once temperatures drop to 110°F

use a WEL14A-602R bulb well or a compatible packing nut to protect the sensing element

pneumatic systems

AERCO Boiler and Water Heater 58023 Ignitor Injector Replacement Kit 323613-751 Featuring a 5/8" male xThe AERCO 58023 Ignitor Injector Replacement Kit is a critical OEM replacement part designed specifically for the AERCO Benchmark series of high efficiency boilers and water heaters. Engineered to meet exacting manufacturer standards, this kit ensures reliable ignition performance by maintaining the precise fuel to air mixture required for clean combustion. As a genuine AERCO boiler part, the 58023 addresses common ignition failures, preventing