honeywell RM7895B-1013

  120V On-Off Control for Forced Air Burners with Intermittent Pilot and Prepurge

The Honeywell RM7895B1013 is a microprocessor-based primary control for on-off operation in forced air burner systems. Designed for safety, performance, and flexibility, it supports intermittent pilot operation, dynamic airflow switch testing, selectable safety interlocks, and timed prepurge. This burner control is ideal for commercial and industrial burners that require precise sequencing and system diagnostics.

Technical Specifications

  • Model: RM7895B1013
  • Series: RM7800
  • Voltage: 120V AC (+10%, -15%)
  • Frequency: 50/60 Hz
  • Application: Forced Air Burners (On/Off Control)
  • Pilot Type: Intermittent
  • Flame Establishing Period – Pilot: 4 or 10 seconds
  • Flame Establishing Period – Main: Intermittent
  • PrePurge: Configured using ST7800A Plug-in Purge Timer
  • Airflow Switch Check: Dynamic
  • Interlocks: Selectable
  • Delayed Main Valve: No
  • Mounting: Requires Q7800A or Q7800B Universal Subbase
  • Flame Amplifier Compatibility: R7847, R7848, R7849, R7851, R7852, R7861, R7886
  • LED Indicators: 5 LEDs for burner sequence and system status
  • Memory: Nonvolatile memory retains operational and lockout history
  • Condition: New

Key Features

  • Supports intermittent pilot and forced air burner sequencing
  • Dynamic airflow switch test enhances safety verification
  • Built-in prepurge for compliance with combustion system requirements
  • Modular design allows quick replacement and compatibility with multiple accessories
  • LED indicators show burner status and diagnostics at a glance
  • Retains cycle history and lockout status in the event of power loss
  • Expandable with communication modules and remote reset options

Compatible Accessories

  • Q7800A / Q7800B Subbases
  • ST7800A Plug-In Purge Timer
  • R7847, R7848, R7849, R7851, R7852, R7861, R7886 Flame Amplifiers
  • S7800A Keyboard Display Module
  • S7810 Data CONTROLBUS™ or Modbus Modules
  • S7830 Expanded First-Out Annunciator
  • Combustion System Manager Software

Industry Applications

  • Forced air burners in commercial heating systems
  • Industrial boilers and ovens
  • Combustion systems requiring precise sequencing and airflow checks
  • Burner safety interlock systems with data capture

Installation & Maintenance Notes

  • Install with proper subbase and matched amplifier
  • Configure purge time via ST7800A card
  • Test airflow switch functionality during commissioning
  • Use display module or LED status lights to confirm sequence steps
  • Periodically review memory-stored cycle data and flame signal strength

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RM7895B1013

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