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Robertshaw Flame Sensor: OEM, Hot Surface Ignition, 90°, 3 in Probe Lg - Universal Replacement Flame Sensors
RobertshawUniversal Replacement Flame Sensors

Robertshaw Flame Sensor: OEM, Hot Surface Ignition, 90°, 3 in Probe Lg

The Robertshaw 10-6840 is a universal replacement flame sensor designed for Lennox OEM systems, featuring a 90° probe tip angle and quick connect terminals. This flame sensor is a direct replacement for Lennox part…

SKU 3G-OTH-68399

Brand
Robertshaw
Item
Flame Sensor: OEM, Hot Surface Ignition, 90°, 3 in Probe Lg
Category
Universal Replacement Flame Sensors
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Technical Specifications

Robertshaw
Manufacturer Part Number
10-6840
Type
Hot Surface Ignition, 90°, Quick Connect Terminals
Probe Lg
3 in
Product Type
Flame Sensor
Probe Tip Angle
90°
Replacement for OEM Brand
Lennox
Electrical Connection Type
Quick Connect Terminals
Replacement for OEM Part Number
69W43
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Robertshaw Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Robertshaw 10-6840 is a universal replacement flame sensor designed for Lennox OEM systems, featuring a 90° probe tip angle and quick connect terminals. This flame sensor is a direct replacement for Lennox part number 69W43, ensuring compatibility with hot surface ignition systems. The probe length is 3 inches, and the electrical connection type is quick connect terminals.

Used in

Common applications for Robertshaw
Commercial HVAC — Robertshaw RS10420T digital WiFi thermostat for programmable heat and cool control in office buildings
Furnace ignition — Robertshaw 41-230 universal hot surface ignitor for silicon carbide replacement in residential and light commercial furnaces
Airflow monitoring — Robertshaw 2374-509 adjustable air pressure switch for draft sensing in industrial burner systems
Gas-fired equipment — Robertshaw 1820-009 universal pilot assembly with thermopile for natural gas or LP water heaters and boilers
Vibration protection — Robertshaw 366A0 mechanical vibration switch for pump and compressor monitoring in industrial plants
OEM replacement — Robertshaw 41-428N direct spark igniter for Trane HVAC equipment requiring silicon nitride ignitors

Robertshaw Products

3G Electric supplies Robertshaw universal replacement flame sensors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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