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GM-123428 AERCO Boiler and Water Heater FLAME DETECTOR ASSEMBLY GF
GM-123428 AERCO Boiler and Water Heater FLAME DETECTOR ASSEMBLY GF

GM-123428 AERCO Boiler and Water Heater FLAME DETECTOR ASSEMBLY GF

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GM-123428 AERCO Boiler and Water Heater FLAME DETECTOR ASSEMBLY GF

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AERCO GM‑123428 is the OEM Flame Detector Assembly (GF) used in AERCO boilers and water heaters. Grounded sources confirm its specifications, operating ranges, safety role, and pricing.

AERCO GM‑123428 Flame Detector Assembly GF — OEM flame‑sensing safety device for AERCO boilers and water heaters. Operates at 24V and monitors flame presence with high accuracy, shutting off gas instantly if flame is lost. Rated for 0–200 PSI and 0°F–250°F, with integrated Ground Fault protection for enhanced electrical safety. Ensures reliable burner operation and prevents hazardous fuel conditions.


🔧 Core Identity & Function

Part Number: GM‑123428 Component: Flame Detector Assembly GF OEM: AERCO

This assembly is a critical burner‑safety component. It detects the presence or absence of flame and immediately shuts off the gas supply if flame is lost, preventing raw‑gas discharge and unsafe combustion conditions. It operates on 24V, handles 0–200 PSI, and withstands 0°F to 250°F, making it suitable for demanding hydronic environments.

HVAC Part Store confirms the “GF” designation refers to Ground Fault protection, adding an extra layer of electrical‑fault safety.

Technical Characteristics

  • Voltage: 24V

  • Pressure Range: 0–200 PSI

  • Temperature Range: 0°F–250°F

  • Weight: 0.18 lb

  • Safety Feature: Ground Fault (GF) protection

  • Function: Flame presence verification + automatic gas‑shutoff on flame loss

Applications

Used in:

  • AERCO commercial boilers

  • AERCO commercial water heaters

Typical service scenarios:

  • Flame‑signal dropout

  • Intermittent lockouts

  • Sensor contamination

  • Wiring corrosion or connector failure

Maintenance & Installation Notes

Grounded guidance from PartsHnC:

  • Clean flame‑sensor lens regularly to prevent soot buildup

  • Inspect wiring for corrosion or looseness

  • Replace if experiencing intermittent flame‑signal loss

  • Follow proper installation steps: shut off power/gas, remove panel, swap assembly, reconnect wiring, test ignition, verify safe operation