58023 AERCO Boiler and Water Heater Ignitor Injector Replacement Kit.

Normal Stocking Item in Our Warehouse 

All Benchmark Boiler models, with the exception of model BMK 6000, use igniter-injector (Kit P/N 58023).

AERCO 58023 is the OEM Ignitor‑Injector Replacement Kit used in AERCO Benchmark boilers and water heaters. Multiple grounded sources confirm its identity, function, and pricing.

🔧 Core Identity & Function

Part Number: 58023 Component: Ignitor‑Injector Replacement Kit OEM: AERCO / Watts Application: Benchmark boilers & water heaters

This kit restores reliable ignition and proper gas‑air delivery, ensuring stable combustion and preventing nuisance lockouts. It includes the ignitor (spark generation) and injector (precise gas flow control), both engineered for high‑temperature commercial boiler environments.

📐 Technical Characteristics

• Function: Provides spark + controlled gas injection for stable flame establishment

• Voltage: 24V AC

• Temperature Rating: 150°F–250°F operating range

• Weight: ~0.22 lb 

• Compatibility: Designed for specific AERCO Benchmark models

Applications & Failure Symptoms

Used in:

• AERCO Benchmark boilers

• AERCO Benchmark water heaters

Common replacement scenarios:

• Ignition failures or repeated retries

• Yellow or flickering flame (poor gas‑air mix)

• Lockouts during startup

• Preventive maintenance at annual or bi‑annual intervals

AERCO 58023 Ignitor‑Injector Replacement Kit — Genuine OEM ignition assembly for AERCO Benchmark boilers and water heaters. Includes factory‑spec ignitor and injector to deliver reliable spark ignition, precise gas flow, and stable combustion. Designed for high‑temperature commercial environments and engineered to reduce lockouts, improve burner performance, and restore peak system efficiency.