R7847B1072 Honeywell Flame Amplifier
$1,250.00
Honeywell R7847B1072 Flame Amplifier – Ampli-Check Rectification Module (2.0 / 3.0-Second FFRT); Flame Signal Amplifier, 2 Second or 3 Second Flame Failure Response Time, Ampli-Check, Flame Sensor for Gas: Rectifying Flame Rods C7004, C7005, C7007, C7008, C7009 and Q179 for Impedance Matching runs greater than 50′ or Ultraviolet Flame Sensor C7012A and C, Use with 7800 Series Primary Safety Control, Color: Green, Flame Signal Strength Ranges from 0.0-5 Vdc
7 in stock
Honeywell R7847B1072 Flame Amplifier – Ampli-Check Rectification Module (2.0 / 3.0-Second FFRT)
Product Overview
The Honeywell R7847B1072 Flame Amplifier is a rectification flame amplifier module with Ampli-Check self-checking functionality, built for use with Honeywell 7800 Series relay modules. It offers selectable flame failure response times (FFRT) of 2.0 or 3.0 seconds, delivering reliable flame detection through flame rods or compatible UV flame sensors. This module provides a 0-5 Vdc flame signal output and includes flame signal test jacks for verification. Color coded green for rectification detection type, this amplifier enhances burner safety and performance.
Key Features
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Selectable FFRT: 2.0 or 3.0 second flame failure response time
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Flame signal output range of 0.0 to 5.0 Vdc for accurate flame strength monitoring
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Ampli-Check self-checking capability to verify amplifier and sensor integrity
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Compatible detection types: gas rectifying flame rods (C7004, C7005, C7007, C7008, C7009), impedance matching rod Q179 for long leadwire runs (>50 ft), and ultraviolet (UV) flame sensors such as C7012A / C7012C
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Plug-in keyed PCB edge connector for proper orientation into 7800 Series relay modules
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Flame signal test jacks included for measuring amplifier flame signal voltage
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Green label identifies this module as a rectification flame amplifier type
Technical Specifications
| Specification | Detail |
|---|---|
| Model Number | Honeywell R7847B1072 Flame Amplifier |
| Flame Failure Response Time (FFRT) | 2.0 or 3.0 seconds |
| Flame Signal Voltage Output | 0.0 – 5.0 Vdc |
| Detection Type | Rectification with Ampli-Check self-checking |
| Compatible Flame Rods | C7004, C7005, C7007, C7008, C7009; Q179 impedance matching module |
| Compatible UV Sensors | C7012A, C7012C |
| Relay Module Compatibility | Honeywell 7800 Series relay modules |
| Flame Signal Test Jacks | Yes |
| Color Label | Green (rectification type) |
| Operating Temperature | −40°F to +140°F (−40°C to +60°C) |
| Storage Temperature | −40°F to +150°F (−40°C to +65°C) |
| Humidity Rating | Up to ~85% RH, non‐condensing |
Applications
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Industrial and commercial burner safety control systems
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Gas burners using rectifying flame rods or UV flame detection
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Long leadwire installations needing Q179 impedance matching
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Systems requiring Ampli-Check diagnostics + reliable flame failure protection
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Retrofit or replacement amplifiers for Honeywell 7800 Series relay modules
Benefits
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Reliable flame detection with selectable 2.0 / 3.0 second FFRT improves safety margin
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Easier diagnostics via 0-5 Vdc flame signal test jacks
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Reduced downtime due to built-in self-checking (Ampli-Check) feature
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Clear identification with green rectification label aids maintenance
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Simple installation with keyed plug-in module design
| Weight | 2 lbs |
|---|---|
| Dimensions | 4 × 6 × 2 in |
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