RM7898A1018 4 RM7898A1018 5 RM7898A1018 2 RM7898A1018 3

The Honeywell RM7898A1018 is an advanced microprocessor‑based on‑off primary burner control designed specifically for industrial and commercial burner systems requiring enhanced safety logic and flexible sequencing. Featuring an integrated Valve Proving System (VPS), selectable pilot flame timing, programmable post‑purge, flame supervision, and intuitive diagnostics, this controller delivers reliable performance in demanding environments.

Engineers and OEM designers value the RM7898A1018 for its robust construction, modular integration with Honeywell subbases and flame amplifiers, and selectable interlock behavior that makes it suitable for a wide range of fuel types and combustion configurations. With integrated safety features and clear status indication, this module helps minimize downtime while optimizing burner management efficiency.

Technical Specifications

Specification	Detail
Model	RM7898A1018
Manufacturer	Honeywell
Module Type	On‑Off Primary Burner Control with Valve Proving System
Core Control Functions	Automatic sequencing, flame supervision, safety shutdown
Power Supply	120 VAC ±10%, 50/60 Hz
Pilot Flame Establishing Period	4 s or 10 s (selectable)
Pre‑Purge	External purge timer card required
Post‑Purge	Programmable via optional display module
Valve Proving System (VPS)	Integrated with programmable timing logic
Delayed Main Valve	Yes
Interlocks	Configurable recycle or lockout on flame/airflow loss
Diagnostics	Five status LEDs with blink fault codes
Memory	Non‑volatile sequence and fault history memory
Flame Amplifier Compatibility	Honeywell 7800 Series plug‑in amplifiers
Operating Temperature	–40 °C to +60 °C
Storage Temperature	–40 °C to +60 °C
Mounting	Plug‑in Q7800A/B universal subbase
Dimensions (L × W × H)	127 × 127 × 155 mm
Weight	0.90 kg
Approvals	UL component recognized, CSA compliant

Recommended Related Models

Honeywell RM7898A1000 On‑Off Control with VPS
Honeywell RM7897A1002 On‑Off Primary Control with Shutter Drive
Honeywell RM7896C1010 Full Pre‑ & Post‑Purge Control
Honeywell RM7895C1012 On‑Off Primary Control
Honeywell RM7890A1015 Basic Flame Supervision Module
Honeywell RM7890A1031 Advanced Sequenced Burner Control

Popular Honeywell Burner Control Modules

Honeywell RM7898A1018 On‑Off Primary Control with VPS
Honeywell RM7898A1000 Primary Control with VPS
Honeywell RM7897A1002 Primary Control with Shutter Drive
Honeywell RM7896C1010 Pre‑ & Post‑Purge Control
Honeywell RM7895A1014 Standard Primary Control
Honeywell RM7895C1012 Primary Control with Diagnostics
Honeywell RM7890A1015 Flame Supervision Control
Honeywell RM7890B1014 Advanced Flame Safety Module

Applications

The RM7898A1018 is engineered for a broad spectrum of combustion safety applications in industrial and commercial settings:

Industrial steam and hot water boiler systems
Combustion control for furnaces and thermal process ovens
OEM packaged burner panels
HVAC burner management systems
Chemical and petrochemical combustion heat systems
Thermal oxidizers and drying equipment

Its Valve Proving System enhances safety by verifying valve closure before ignition, while programmable purge logic provides adaptable cool‑down cycles.

Advantages

Integrated Valve Proving System (VPS)
Ensures valve closure is verified before ignition, boosting safety compliance in regulated systems.

Programmable Post‑Purge Control
Customizable purge timing helps optimize burner cool‑down and reduces unburned fuel hazards.

Clear In‑Field Diagnostics
Five LED indicators with blink codes streamline fault identification and diagnostics.

Modular Flexibility
Compatible with a wide range of Honeywell 7800 Series amplifiers, subbases, and display modules.

Selectable Interlocks
Recycle or lockout behavior can be configured for flame or airflow loss based on system requirements.

Industrial‑Grade Durability
Designed to operate reliably in harsh industrial environments with wide temperature tolerance.

Technical FAQs

What is the Honeywell RM7898A1018?
A microprocessor‑based burner control with VPS and programmable post‑purge for industrial combustion systems.
What power supply does it require?
120 VAC at 50/60 Hz.
Does this module support programmable post‑purge?
Yes — via optional display module.
What safety features are integrated?
Valve Proving System, flame supervision, delayed main valve, selectable lockout modes.
Can this controller be used with both gas and oil burners?
Yes — it supports gas, oil, or combination‑fuel single‑burner systems.
Does it include diagnostic feedback?
Yes — five LED indicators display sequence and fault status.
What flame establishing periods can be selected?
4 s or 10 s for pilot flame.
Is history retained after power loss?
Yes — non‑volatile memory preserves sequence and fault history.
Does it require external components?
Yes — a subbase, flame amplifier, and purge timer card are required.
Where is the RM7898A1018 typically deployed?
Industrial boilers, thermal ovens, HVAC systems, and OEM burner panels.