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Honeywell RM7895C1012 On-Off Primary Control w/ PrePurge

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Price: $611.11
Item Number: 52972
Manufacturer Part No: RM7895C1012

Honeywell RM7895C1012 On-Off Primary Control w/ PrePurge, Shutter Drive Output, Valve Proving Feature, and blinking LED fault annunciation


Microprocessor-based integrated primary burner control for automatically fired gas, oil, or combination fuel single burner applications. Provides level of safety, functional capability and features beyond conventional controls.


  • Functions include automatic burner sequencing, flame supervision, system status indication, system or self-diagnostics and troubleshooting.
  • Subbase, amplifier, and prepurge timer are required for operation.
  • Options include PC interface, keyboard display module, DATA CONTROLBUS™ MODULE, remote display module, first-out expanded annunciator, and COMBUSTION SYSTEM MANAGER™ software.
  • Five LEDs provide sequence information.
  • Interchangeable plug-in flame amplifiers.
  • Optional local or remote annunciation of operation and fault information.
  • Nonvolatile memory retains history files and sequencing status after power loss.
  • Optional remote reset capability.
  • Optional report generation.
  • Selectable relight or lockout on loss of flame.
  • Airflow switch check.
  • Application: On-Off Primary Control with Prepurge
  • Dimensions (in.): 5 in. wide x 5 in. high x 5 1/4 in. deep with Q7800A Subbase x 6 3/32 in. deep with Q7800B Subbase
  • Dimensions (mm): 127 mm wide x 127 mm high x 133 mm deep with Q7800A Subbase x 155 mm deep with Q7800B Subbase
  • Used With: 7800 Series Amplifiers
  • Weight (lb): 1 lb 15 oz
  • Weight (kg): 0.9 kg
  • Frequency: 50 Hz; 60 Hz (±10%)
  • Approvals, Underwriters Laboratories Inc.: Component Recognized, File No. MP268; Guide No. MCCZ.
  • Approvals, CSA: Certified, File No. LR95329-3.
  • Voltage: 120 Vac (+10, -15%)
  • Shipping and Storage Temperature Range (F): -40 F to +140 F
  • Shipping and Storage Temperature Range (C): -40 C to +60 C
  • Approvals, Federal Communications Commission: FCC Part 15, Class B, Emissions.
  • Flame Establishing Period – Pilot: 4 sec or 10 sec
  • Flame Establishing Period – Main: 10 sec
  • Interlocks: Selectable
  • PrePurge: Determined by ST7800A Purge Timer Card
  • Required Components: Q7800A,B Universal Wiring Subbases. R7847, R7848, R7849, R7851, R7852, R7861, or R7886 Flame Signal Amplifier. ST7800A Plug-in Purge Timer Card.
  • Delayed Main Valve: Yes
  • Pilot Type: interrupted
  • Vibration: 0.5 G environment
  • Approvals, Control Safety Devices: Acceptable: CSD-1
  • Approvals, Swiss RE: Acceptable
  • Approvals, Factory Mutual: Report No. OX4A5.AF.

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