Honeywell R4343E1014 Flame Detector Relay Technical & Selection Guide

Published: July 28, 2026

Published by: Xiamen ZYM Automation & Control Co., Ltd. (Xiamen Zhenyoumei Display Products Co., Ltd.)

Author: Technical Engineering Team

Last Updated: July 2026

Executive Summary: The Honeywell R4343E1014 is an advanced, flame switch-type relay controller engineered for intermittent commercial and industrial combustion systems. This comprehensive technical guide covers general descriptions, core specifications, key features, installation procedures, and cross-reference part numbers for seamless system integration and hardware procurement.

Table of Contents

1. General Description of Honeywell R4343E1014

2. Key Features of Flame Relay Switch R4343E1014

3. Model Overview & Compatible Detectors

4. Technical Specifications

5. Installation & Wiring Guidelines

6. Related Part Numbers & Equivalents

7. Sourcing Authentic Industrial Combustion Hardware

8. Frequently Asked Questions (FAQ) & Technical Troubleshooting

1. General Description of Honeywell R4343E1014

The Honeywell R4343E Flame Relay Controllers include models like the R4343E1014. These controllers function as flame switch-type units designed to work seamlessly with compatible flame detectors. Their primary function is to monitor and indicate the presence of a flame or ultraviolet radiation in industrial and commercial burner systems.

Part of the robust R4343E series, the R4343E1014 burner controller pairs with UV-type flame detectors such as the C7027, C7035, and C7044. It features two separate sets of SPDT (single-pole, double-throw) contact outputs, ensuring reliable supervision, ignition control, and quick response to flame failures in high-demand combustion environments.

2. Key Features of Flame Relay Switch R4343E1014

• Flame-Current Measurement Socket: Built-in front-panel socket designed to measure flame signal strength directly in microamperes (0–10 µA scale).

• Plug-in Modular Design: Surface-mount sub-base architecture for rapid installation, routine maintenance, and simple module replacement.

• Compact & Rugged Build: Engineered specifically for industrial burner management systems requiring high operational reliability.

• Global Market Versatility: Widely available as the Honeywell R4343E1014 230 VAC 50/60 Hz Relay Flame Detector tailored to specific regional power setups and standards.

3. Model Overview & Compatible Detectors

The R4343E series controllers continuously verify flame presence using UV sensing technology, giving immediate feedback during a flame failure or detector fault.

4. Technical Specifications

Review the complete electrical, environmental, and physical parameters of the Honeywell R4343E1014 below:

• Supply Voltage: 230 VAC, 50/60 Hz (Voltage Tolerance: +10% / −15%)

• Flame Failure Response Time: < 1 second

• Flame Detector Type: UV type (e.g., Honeywell C7027, C7035, C7044)

• Output Contacts: Two isolated SPDT (single-pole, double-throw) contact sets

• Rated Contact Capacity: 2 A (at power factor = 0.65)

• Ambient Temperature Range: −10°C to +60°C (14°F to 140°F)

• Maximum RelativeHumidity: 90% RH (at 40°C)

• Protection Class / Enclosure: IP40

• Mounting Configuration: Plug-in relay on sub-base for surface (flat) mounting; vertical orientation recommended

• Monitoring Feature: Front-mounted flame-current measurement socket (0–10 µA scale)

• Approvals & Standards: CE certified per EN 298 (for intermittent operation)

5. Installation & Wiring Guidelines

Important Safety Notes

• Always disconnect the main power supply before performing any installation, wiring, or maintenance tasks.

• Follow the burner manufacturer’s specific installation manual whenever available.

• R4343E models feature an internal quick-blow fuse providing dedicated protection for the connected flame detector.

Base Installation & Wiring

• Base Mounting: Mount the sub-base on any flat surface (vertical orientation is strongly recommended to ensure optimal ventilation and latching stability). Leave sufficient surrounding clearance for relay removal.

• Electrical Compliance: Wiring and overload protection must comply strictly with local electrical codes. Verify all wiring connections prior to inserting the relay module.

Mounting the Relay & Signal Monitoring

1. Insert the relay module firmly into the sub-base.

2. Securely tighten the two screws located on the relay’s front panel.

3. Perform a flame-current measurement using a compatible tool such as a Honeywell W136A microammeter plugged into the front-panel socket to verify signal strength against your specific UV detector setup.

6. Related Part Numbers & Equivalents

• R4343E1006: 115 VAC version utilizing the same UV-type detector architecture.

• R4343E1048-ST005: Dual-voltage (115/230 VAC) variant of the R4343E series.

• R4343D Series (e.g., R4343D1002): Designed for rectification-type (ionization) flame detectors rather than UV.

• FDU510W3T2/101-0K1 (230 VAC): Alternative replacement model configuration for the R4343E1014.

7. Sourcing Authentic Industrial Combustion Hardware

Deploying unverified or counterfeit combustion safety components introduces critical risks of plant downtime and catastrophic system failure. At Xiamen ZYM Automation & Control Co., Ltd. (A Division of Xiamen Zhenyoumei Display Products Co., Ltd.), we specialize in supplying 100% genuine industrial automation, burner controls, and combustion safety systems with strict quality traceability.

Need Specific Burner Controls or Custom Quotations?

Request Engineering Support: Contact our sales and engineering team directly via our Contact Us Page for model verification, stock availability, or bulk procurement assistance.

Explore Combustion & Automation Gear: Discover complementary industrial valves, actuators (such as the Honeywell M7284A1004 or ML7984A4009/U), and safety controllers on our main Blog Portal.

8. Frequently Asked Questions (FAQ) & Technical Troubleshooting

Q1: How to test the Honeywell R4343E flame relay?

A: Testing the R4343E1014 flame relay involves checking both the electrical supply and the active flame signal:

• Power Verification: Ensure the unit is receiving the correct operational voltage (230 VAC, 50/60 Hz) across the designated supply terminals.

• Flame Current Measurement: Plug a high-impedance microammeter (such as the Honeywell W136A) directly into the front-panel flame-current measurement socket (0–10 µA scale). During a stable burner operation, verify that the measured DC microampere signal falls well within the manufacturer's recommended safe operating threshold.

  Safety Shutdown Check: Simulate a flame failure by manually blocking the UV detector (e.g., C7027, C7035, or C7044) view or cutting off the fuel supply. The relay should drop out and cut the output contact signals in less than 1 second (< 1s flame failure response time).

  Q2: Where can I find the R4343E1014 manual and wiring diagram?

  A: Proper installation requires strict adherence to the manufacturer's wiring configuration. Because the R4343E1014 utilizes a plug-in sub-base design, always verify terminal connections before pushing the relay module into place. For official schema documentation, safety clearance rules, and comprehensive terminal pinouts, consult our technical engineering team directly via ourContact Us Pageto request the official PDF technical manual or wiring blueprint tailored to your specific burner setup.

  Q3: What is the difference between R4343E1006 and R4343E1014?

  A: While both models belong to the same advanced Honeywell R4343E flame switch-type controller family and utilize identical UV-type detector architectures (C7027, C7035, C7044), the core distinction lies in their primary input power requirements:

• Honeywell R4343E1006: Engineered for 115 VAC (50/60 Hz) power distribution systems.

• Honeywell R4343E1014: Engineered for 230 VAC (50/60 Hz) power distribution systems (with a voltage tolerance of +10% / −15%).

• Note: Ensure you select the exact part number that matches your local control panel transformer and line voltage to prevent hardware damage.

 For more, please refer to the following:

Honeywell M7284A1004 Modutrol Actuator

Honeywell Direct-Coupled Valve Actuator ML7984A4009/U