R7851B1018 Honeywell Flame Amplifier (Ampli-Check)
$384.00
The Honeywell R7851B1018 Flame Amplifier 0.8 SEC FFRT. Flame Signal Amplifier, 0.8 Second or 1 Second Flame Failure Response Time, Ampli-Check, Gas,Oil, Coal: Optical ( UV, Visible Light ) Flame Sensor C7927 and C7962, Use with 7800 Series Primary Safety Control, Color: White, Flame Signal Strength Ranges from 0.0-5 Vdc
5 in stock
R7851B1018 Honeywell Flame Amplifier Datasheet
Overview
The Honeywell R7851B1018 is a solid-state plug-in flame amplifier with Ampli-Check self-testing technology. It amplifies the signal from UV or visible flame detectors and provides reliable input to 7800 series relay modules. This module continuously supervises flame presence and ensures system safety by shutting down if signal strength becomes inadequate.
Specifications
| Parameter | Value |
|---|---|
| Model | R7851B1018 |
| Amplifier Type | Optical / solid-state |
| Technology | Ampli-Check self-testing |
| Flame Failure Response Time (FFRT) | Selectable 0.8 or 1.0 seconds |
| Flame Signal Range | 0.0 to 5.0 V DC |
| Mounting / Interface | Plug-in to Honeywell 7800 series relay modules |
| Compatible Sensors | UV and visible light flame detectors |
| Housing Color | White |
| Approx. Weight | 0.4 lb |
Key Features & Benefits
Self-checking Ampli-Check design improves safety with continuous monitoring.
Fast flame failure response with selectable 0.8 or 1.0 second timing.
Simple plug-in installation into 7800 series relay modules.
Diagnostic capability with 0–5 V DC flame signal output.
Durable construction ensures long service life in burner applications.
Applications
Flame supervision in commercial and industrial burners
Safety monitoring in boilers and furnaces
Retrofit and replacement of Honeywell flame amplifier modules
Combustion systems requiring real-time self-check capability
Installation & Maintenance Notes
Insert the amplifier firmly into the relay module socket.
Use test jacks to measure flame signal voltage during commissioning.
Replace the amplifier if self-check diagnostics indicate failure.
Keep module and socket free from dust and moisture for maximum reliability.
| Weight | 4 lbs |
|---|---|
| Dimensions | 6 × 4 × 2 in |
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