Overview
The Honeywell R4138D1016 is a flame safeguard control amplifier designed for use in industrial burner applications. Operating at 120V AC, 50/60 Hz, this unit detects and monitors flame presence in gas and oil-fired burners and boilers. The R4138D1016 provides reliable flame supervision with selectable safety parameters, ensuring safe operation of combustion equipment in commercial and industrial facilities.
Key Features
- 120V AC input voltage, universal 50/60 Hz operation
- Plug-in subbase design for straightforward panel or burner mounting
- Compatible with C7012 series flame detectors (flame rods and UV sensors)
- 15-second safety shutdown timer (adjustable function)
- Selectable flame detection parameters for flexible commissioning
- Incandescent load control capability for indicator lights and signaling
Technical Specifications
| Input Voltage | 120V AC |
| Frequency | 50/60 Hz |
| Safety Shutdown Timer | 15 seconds (standard) |
| Flame Detection Type | Rectification (Flame Rod) or UV |
| Compatible Detectors | C7012A, C7012C, C7012E, C7012F |
| Load Type | Incandescent lights, burner valves |
| Mounting | Plug-in onto Q7800 series subbase |
| Terminal Configuration | Screw terminals (standard R4138 pin layout) |
| Operating Temperature | -10°C to 60°C ambient |
| Approvals | UL, CSA listed for burner control |
| Series | Honeywell R4138 Primary Control |
Typical Applications
- Gas and Oil Burners: Primary flame safeguard for commercial and industrial combustion equipment
- Boiler Systems: Flame monitoring and safety shutdown in steam and hot water boilers
- Furnaces: Intermittent ignition control with flame rod or UV detection
- Retrofit/Modernization: Direct replacement in existing burner management systems using legacy Honeywell primary controls
Compatibility & Replacements
Compatible With
- Honeywell C7012A, C7012C, C7012E, C7012F flame detectors
- Honeywell Q7800 series subbases (panel and burner mount)
- Standard 120V AC, 50/60 Hz burner management circuits
- Incandescent load outputs for indicator lights and status signaling
- Intermittent ignition burner control systems
Replaces / Drop-In Replacement For
- Honeywell R4138B1002 (with RM7838A1014 compatibility noted)
- Honeywell R4138B1010 (same function, extended voltage range)
- Honeywell R4138B1028 (120V, 50/60 Hz variant)
- Other R4138 series flame controls in legacy installations
Works With
- Honeywell RM7838A1014 primary control (modern replacement platform)
- NFPA 85 / ASME CSD-1 compliant burner control sequences
- Standard industrial relay logic and PLC burner management algorithms
- Honeywell flame detector harnesses and sensor cables







