99042-1 AERCO Boiler SINGLE ELEMENT T-COUPLE

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AERCO 99042‑1 is the OEM Single‑Element Thermocouple (T‑Couple) used for precise temperature sensing in AERCO boilers and commercial water‑heating systems. Grounded search results confirm its identity, function, and pricing across multiple distributors.

🔧 Core Identity & Function

Part Number: 99042‑1 Component: Single‑Element Thermocouple OEM: AERCO

This thermocouple provides accurate, real‑time temperature feedback to the boiler’s control system. It is used for:

• Burner modulation

• Safety shutdown logic

• Temperature‑limit protection

• Hydronic system stability

Technical Characteristics

• Sensor Type: Single thermocouple

• Output: Millivolt signal proportional to temperature

• Application: AERCO boilers & commercial water heaters

• Function: Temperature measurement for modulation & safety

• Construction: High‑temperature, commercial‑grade

Applications

Used in:

• AERCO commercial boilers

• AERCO commercial water heaters

• Hydronic heating systems requiring precise temperature sensing

Typical replacement scenarios:

• Temperature drift

• Faulty or unstable readings

• Ignition or modulation faults

• Preventive maintenance

AERCO 99042‑1 Single‑Element Thermocouple — OEM temperature‑sensing probe for AERCO boilers and water heaters. Provides accurate, stable thermal feedback for burner modulation, safety shutdown, and hydronic system control. Engineered to AERCO factory specifications for reliable commercial performance.