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Robertshaw Flame Sensor: Universal, Spark Intermittent Pilot, Straight, 72 in Probe Lg - Universal Replacement Flame Sensors
RobertshawUniversal Replacement Flame Sensors

Robertshaw Flame Sensor: Universal, Spark Intermittent Pilot, Straight, 72 in Probe Lg

The ROBERTSHAW 1751-749 is a universal replacement flame sensor designed for intermittent pilot ignition systems. This straight-probe sensor features a 72-inch probe length and a hardwired electrical connection…

SKU 3G-OTH-68589

Also listed as: 1751749 · 1751 749

Brand
Robertshaw
Item
Flame Sensor: Universal, Spark Intermittent Pilot, Straight, 72 in Probe Lg
Category
Universal Replacement Flame Sensors
Available to Order
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

Robertshaw
Manufacturer Part Number
1751-749
Type
Spark Intermittent Pilot, Straight, Hardwired
Probe Lg
72 in
Product Type
Flame Sensor
Probe Tip Angle
Straight
Replacement for OEM Brand
Universal
Electrical Connection Type
Hardwired

Technical Documents

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Robertshaw Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The ROBERTSHAW 1751-749 is a universal replacement flame sensor designed for intermittent pilot ignition systems. This straight-probe sensor features a 72-inch probe length and a hardwired electrical connection, making it suitable for a wide range of OEM equipment. It is a direct replacement part for universal applications.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the Robertshaw 1751-749 flame sensor used for?

The Robertshaw 1751-749 is a universal replacement flame sensor used in intermittent pilot ignition systems. It detects the presence of a flame and signals the gas valve to stay open, ensuring safe burner operation in commercial and industrial heating equipment.

What are the specifications of the Robertshaw 1751-749 flame sensor?

The Robertshaw 1751-749 is a universal flame sensor with a straight probe tip, 72-inch probe length, and hardwired electrical connection. It is designed for intermittent pilot ignition systems and replaces universal OEM brands. The manufacturer part number is 1751-749.

Where to buy the Robertshaw 1751-749 flame sensor worldwide?

3G Electric supplies the Robertshaw 1751-749 flame sensor worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the Robertshaw 1751-749 flame sensor?

To install the Robertshaw 1751-749, first disconnect power and gas supply. Mount the sensor with the straight probe positioned in the pilot flame path. Connect the hardwired leads per the equipment wiring diagram. Test for proper flame signal before restoring operation.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
Pilot Assembly: Universal, LP/Natural Gas, Straight, BJWA/FD/GS, Std Tip (MPN 1830-210)
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Pilot Assembly: Universal, LP/Natural Gas, Straight, BJWA/FD/GS, Std Tip (MPN 1830-210)
Pilot Assembly: Universal, LP, 3-Way, Thermocouple, Thermopile and Flame Sensor, Uni-Line® 1900-1970 (MPN 1819-001)
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Pilot Assembly: Universal, LP, 3-Way, Thermocouple, Thermopile and Flame Sensor, Uni-Line® 1900-1970 (MPN 1819-001)
Pilot Assembly: OEM, LP/Natural Gas, 25° Left, Flame Sensor, Uni-Line® 1900-1970, Snap-Fit Tip (MPN 1830-705)
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Pilot Assembly: OEM, LP/Natural Gas, 25° Left, Flame Sensor, Uni-Line® 1900-1970, Snap-Fit Tip (MPN 1830-705)
Pilot Assembly: Universal, LP/Natural Gas, Straight, 2CH-10, Std Tip (MPN 1830-115)
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Pilot Assembly: Universal, LP/Natural Gas, Straight, 2CH-10, Std Tip (MPN 1830-115)
Pilot Assembly: OEM, LP/Natural Gas, 90° Left, Flame Sensor, Uni-Line® 1900-1970 (MPN 1830-716)
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Pilot Assembly: OEM, LP/Natural Gas, 90° Left, Flame Sensor, Uni-Line® 1900-1970 (MPN 1830-716)
Pilot Assembly: Universal, LP/Natural Gas, 25° Left, Uni-Line® 1820 (MPN 1830-501)
Robertshaw
Pilot Assembly: Universal, LP/Natural Gas, 25° Left, Uni-Line® 1820 (MPN 1830-501)

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