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Fireye 69ND1 Ionization Flame Rod - Flame Sensors
FireyeFlame Sensors

Fireye 69ND1 Ionization Flame Rod

The Fireye 3G-OTH-02791 Ionization Flame Rod is a flame sensor with a diameter of 1.02 inches (25.9 mm) and approvals including CE, cULus, and FM Approved. It is designed for industrial environments requiring gas…

SKU 3G-OTH-02791

Brand
Fireye
Item
69ND1 Ionization Flame Rod
Category
Flame Sensors
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Technical specs
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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

Fireye
Models
69ND1
Category
Flame Sensors
Diameter
1.02 inches (25.9 mm)
Approvals
CE, cULus, FM Approved
Dimensions
Diameter: 1.02 inches (25.9 mm) Heat insulator: 2 1/2 inches (63.5 mm) Threaded pipe: 1/2-1 straight pipe thread, with a .385 diameter (8.7 mm) Tapered pipe thread: 1/2-14 (NPT) TC-ER cable diameter: 13/32 (10 mm)
Maintenance
The flame rod requires minimal maintenance. Regular checks are recommended to ensure proper functionality, particularly in systems exposed to extreme temperatures or in environments with high amounts of combustion by-products.
Applications
This flame rod is specifically designed for use in industrial environments requiring reliable and accurate gas flame detection. It is suitable for combustion systems, burners, and other gas-fired systems where high-temperature, durable detection is necessary.
Installation
The 69ND1 Flame Rod features a 1/2-inch mounting and is easy to install in various systems that require gas flame detection. It offers flexibility for different setups and flame detection applications.
Size Options
The flame rod is available in three lengths, providing versatility for different installation needs: 12 inches (305 mm) 18 inches (460 mm) 24 inches (710 mm)
Threaded pipe
1/2-1 straight pipe thread, with a .385 diameter (8.7 mm)
Heat insulator
2 1/2 inches (63.5 mm)
Compatible Systems
The 69ND1 Flame Rod is compatible with several control systems, including the P-Series C & D Series, MicroM, FLAME-MONITOR, and BurnerLogix systems, providing flexible integration into a wide variety of industrial flame detection setups.
Tapered pipe thread
1/2-14 (NPT)
TC-ER cable diameter
13/32 (10 mm)
Resistance measurement
Resistance is typically measured with a 20K Ohms/Volt Meter for accurate performance evaluation.
Material & Construction
Made of durable high-temperature resistant metal, the 69ND1 Flame Rod is engineered specifically for detecting gas flames. Its robust construction ensures it can withstand harsh conditions in flame detection systems.
Flame Detection Compatibility
The 69ND1 Flame Rod is designed specifically for detecting gas flames. It is compatible with various infrared flame detectors and scanners, ensuring reliable flame detection in combustion systems.
Electrical & Resistance Details
Approximate resistance of the flame rod varies, with a typical range from 20K – 80K ohms. Resistance measurement: Resistance is typically measured with a 20K Ohms/Volt Meter for accurate performance evaluation.
Temperature & Voltage Specifications
The maximum tip temperature the flame rod can withstand is 2460°F (1355°C). The ambient temperature range is -40°F to 140°F (-40°C to 60°C). The flame rod operates with a voltage range of 7-15 VDC and is compatible with various infrared scanner models.

Datasheet Content

[{"filename":"SC-103-Flame_Scanner_48PT2_Flame_Rod_69ND1_English_2018-06-07.pdf","text":"®\n\n SC-103\n JUNE 7, 2018\n\n\n ®\n FIREYE\n 48PT1\n (Obsolete)\n FLAME SCANNERS\n INFRARED: 48PT1, 48PT2 and 48PT2-CEX\n FLAME ROD: 3G-OTH-02791\n 48PT2 For UV Self-Check Scanners use SC-101\n For Hazardous Locations or NEMA 4X Scanners use SC-106\n For Non Self-Check UV Scanners use SC-102\n\n 3G-OTH-02791\n\n APPROVED\n\n\n\n\nDESCRIPTION\n The 48PT2 scanner comes with cables rated for Tray Cable - Exposed Run (TC-ER) and complies\n with the crush and impact requirements of the standard for metal clad cable, UL 1569.\n 48PT1 (Obsolete)\n The 48PT1 lead sulfide infrared scanner contains a high impedance detector and is designed to be\n used only on P-Series controls.\n\n 48PT2\n The 48PT2 lead sulfide infrared scanner contains a low impedance detector and is designed to detect\n low flicker frequency IR signals from gas and oil flames. It is designed for use on D-Series, Flame-\n Monitor, FlameWorx, MicroM and Burnerlogix controls.\n\n 48PT2-CEX\n The 48PT2-CEX is a 48PT2 mounted in a ATEX compliant housing for environments requiring the\n rating of Exd IIC T6 ATEX hazardous location.\n\n 3G-OTH-02791\n The 3G-OTH-02791 flame rod is made of high temperature resistant metal and can be used only to detect gas\n flames. The rods come in 12, 18 and 24 inch lengths.\n\n\n CAUTION: Fireye scanners are for use only with Fireye controls. Do not connect Fireye\n scanners with controls not manufactured by FIREYE.\n\n CAUTION: If component checking is required during burner operation for constantly fired\n burners, utilize the infrared flame scanner (48PT2) with associated AutoCheck amplifier. For\n Flame-Monitor systems use the E1R1, E1R3 or E1R2 and for MicroM systems use the MEIR1\n or MEIR4.\n Warning- all installation, service and troubleshooting of Fireye products must be performed\n by a qualified technician.\n\n\n 1\n\f \n\n\n\n\n 13/16 HEX 2 3/8\n 5.0 (127) (20.6) (60.3) ”L”\n 2.504 1” DIA. 2 1/2 2 3/8\n (63.6) (25.4) (63.5) (60.3)\n 15/16 HEX\n (23.8) 1/2\n (12.7)\n 1 1/4 DIA.\n (31.8)\n\n\n.385 DIA. (8.7) HEAT INSULATOR\n 1/2-14 1/2-14 NPT\nTC-ER CABLE\n 1/2-14 TAPERED ”L” LENGTH AS SPECIFIED: 12”, 18”, 24” (304.8, 457.2, 609.6)\n STRAIGHT PIPE THD PIPE THD\n\n\n 48PT2-1000 SERIES INFRARED SCANNER 3G-OTH-02791 FLAME ROD\n\n\n\n 3.96 (100.5)\n 1.02” 2 1/2\n 1.46 DIA. (63.5)\n (37.1) 13/32 (10)\n\n\n 1 1/4 DIA.\n (31.8)\n 2.13\n (54)\n HEAT INSULATOR\n 1/2-14\n 1/2-1 TAPERED\n STRAIGHT PIPE THD PIPE THD\n\n .385 DIA. (8.7) TC-ER CABLE\n\n\n 48PT2-9000 SERIES INFRARED SCANNER\n\n\n\n Scanner Model Type Approx. Volts Approx. Resistance* Ambient Temp. Limits\n Across Cell of Cell\n 48PT1 Infrared 125VDC 1.5 Meg. ohms 140°F/ 60°C, -40°\n 48PT2 Infrared 7-15VDC 20K - 80K ohms 140°F / 60°C, -40°\n 48PT2-CEX\n 3G-OTH-02791 Flame Rod 280-305 VAC Infinite Tip 2460°F\n 1500°F/816°C, -40°\n * Resistance measured with 20K Ohms/ Volt Meter\n For proper Flame Signal Voltage see technical bulletin for the appropriate control.\n 48PT2 scanners comply with NEMA 4X\n\n PART NUMBER DESCRIPTION USE WITH\n 48PT1-1003 IR Straight Head 8 feet (2440mm) leads\n 48PT1-1007 IR Straight Head 4 feet (1220mm) Leads\n 48PT1-9003 IR 90 deg. Head 8 ft. (2440mm) Leads P-Series\n 48PT1-9007 IR 90 deg. Head 4 ft. (1220mm) Leads\n 48PT1-9007W - 9007 Water Repellent\n 48PT2-1003 IR Straight Head 8 feet (2440mm) leads\n 48PT2-1007 IR Straight Head 4 feet (1220mm) Leads C & D Series, MicroM,\n 48PT2-9003 IR 90 deg. Head 8 ft. (2440mm) Leads FLAME-MONITOR,\n 48PT2-9007 IR 90 deg. Head 4 ft. (1220mm) Leads BurnerLogix\n 48PT2-CEX IR Straight Head, 1/2” NPT inlet\n 35-69 Heat Insulator for 48PT Scanners\n 3G-OTH-02791-1000K4 Flame Rod 12 inches (305mm) 1/2 in. mount\n P, C, D, M-Series, MicroM,\n 3G-OTH-02791-1000K6 Flame Rod 18 inch (460mm) 1/2 in. mount)\n MB Systems, BurnerLogix,\n 3G-OTH-02791-1000K8 Flame Rod 24 inches (710mm) 1/2 in. mount\n FLAME-MONITOR\n\n For information on the 45UV scanners, see Bulletin SC-101.\n For information on the 55UV scanners, see Bulletin SC-106.\n For information on the UV1A, UV2, and UV8A scanners, see Bulletin SC-102.\n\n\n2\n\f ®\n\n\n\n\nSCANNER MAINTENANCE\n 48PT1 and 48PT2, 48PT2-CEX Infrared Scanners and 3G-OTH-02791 Flame Rods\n The viewing area of the scanner must be kept clean. Even a small amount of contamination will\n reduce the flame signal reaching the detector by a measurable amount. Wipe the viewing area rou-\n tinely using a soft cloth dampened with concentrated detergent.\n Type 48PT1 scanner includes a replaceable #4-128-1 cell\n Type 48PT2, 48PT2-CEX scanner includes a replaceable #4-263-1 Firetron cell.\n Type 3G-OTH-02791 Flame Rod. Rods should be routinely replaced as they…

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

Product Description

The Fireye 3G-OTH-02791 Ionization Flame Rod is a flame sensor with a diameter of 1.02 inches (25.9 mm) and approvals including CE, cULus, and FM Approved. It is designed for industrial environments requiring gas flame detection in combustion systems and burners, featuring a 1/2-inch mounting for straightforward installation. The flame rod is available in three lengths to accommodate different setups and requires minimal maintenance.

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 Fireye 3G-OTH-02791 flame rod used for?

The Fireye 3G-OTH-02791 flame rod is used for gas flame detection in high-temperature industrial environments. It is designed to detect gas flames only and is commonly applied in burners and combustion systems where reliable flame sensing is critical for safety and control.

What are the specifications of the Fireye 3G-OTH-02791 flame rod?

The Fireye 3G-OTH-02791 flame rod has a diameter of 1.02 inches (25.9 mm) and is available in 12, 18, and 24 inch lengths. It features a 1/2-14 NPT tapered pipe thread and a TC-ER cable diameter of 13/32 inch (10 mm). Approvals include CE, cULus, and FM.

Where to buy the Fireye 3G-OTH-02791 flame rod in Singapore?

3G Electric supplies the Fireye 3G-OTH-02791 flame rod to customers in Singapore. We source and deliver this component, handling logistics and customs clearance so you receive the correct part for your gas flame detection application.

How to install the Fireye 3G-OTH-02791 flame rod?

Installation of the Fireye 3G-OTH-02791 flame rod should be performed by a qualified technician. The rod is threaded into a 1/2-14 NPT port and positioned to sense the gas flame. Regular checks are recommended to ensure proper functionality, especially in high-temperature or high-combustion-byproduct environments.

Used in

Common applications for Fireye
Power-plant auxiliary boiler — M-Series II controller with UV flame scanner, programmed for gas/oil switchover and flame-presence monitoring.
Refinery process heater — MP100E programmer module managing multi-stage ignition and flame-out shutdown interlocks on high-pressure burners.
Petrochemical facility thermal oxidizer — MAUV1T UV amplifier module processing scanner signal from high-temperature burner housings with immune-response filtering.
Large-scale industrial oven (metal treating) — M-Series II with remote reset capability and dual-fuel solenoid isolation for operator safety and burner protection.
Cogeneration plant fuel-gas burner — Fireye scanner and modular controller stack integrated into BMS with remote monitoring of flame status and controller fault codes.

Fireye Products

3G Electric supplies Fireye 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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