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Robertshaw Flame Sensor: Universal, Spark Intermittent Pilot, Straight, 24 in Probe Lg - Universal Replacement Flame Sensors
RobertshawUniversal Replacement Flame Sensors

Robertshaw Flame Sensor: Universal, Spark Intermittent Pilot, Straight, 24 in Probe Lg

The Robertshaw 1751-729 is a universal replacement flame sensor with a straight probe tip angle and hardwired electrical connection. Designed as a universal replacement for OEM brands, this flame sensor features a…

SKU 3G-OTH-68568

Also listed as: 1751729 · 1751 729

Brand
Robertshaw
Item
Flame Sensor: Universal, Spark Intermittent Pilot, Straight, 24 in Probe Lg
Category
Universal Replacement Flame Sensors
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Robertshaw
Manufacturer Part Number
1751-729
Type
Spark Intermittent Pilot, Straight, Hardwired
Probe Lg
24 in
Product Type
Flame Sensor
Probe Tip Angle
Straight
Replacement for OEM Brand
Universal
Electrical Connection Type
Hardwired

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

Product Description

The Robertshaw 1751-729 is a universal replacement flame sensor with a straight probe tip angle and hardwired electrical connection. Designed as a universal replacement for OEM brands, this flame sensor features a 24-inch probe length and is intended for use with spark intermittent pilot systems.

Frequently Asked Questions

What is the Robertshaw 1751-729 flame sensor used for?

The Robertshaw 1751-729 is a universal replacement flame sensor used in spark intermittent pilot ignition systems. It detects the presence of a flame and signals the gas valve to stay open, ensuring safe burner operation. It is compatible with various OEM brands and is commonly applied in commercial and industrial heating equipment.

What are the specifications of the Robertshaw 1751-729 flame sensor?

The Robertshaw 1751-729 is a hardwired flame sensor with a straight probe tip angle and a 24-inch probe length. It is designed for spark intermittent pilot systems and serves as a universal replacement for OEM brands. The manufacturer part number is 1751-729, and the product type is flame sensor.

Where to buy the Robertshaw 1751-729 flame sensor worldwide?

3G Electric supplies the Robertshaw 1751-729 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; we source and deliver this universal replacement flame sensor to customers around the world.

How to install the Robertshaw 1751-729 flame sensor?

To install the Robertshaw 1751-729, first disconnect power to the ignition system. Remove the old sensor and mount the new one with the straight probe positioned in the pilot flame path. Connect the hardwired leads per the system wiring diagram. Ensure the probe tip is clean and properly aligned for reliable flame detection.

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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