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Description

The Honeywell RM7890A1056 is a microprocessor-based integrated burner control designed for automatically fired gas-only single burner applications. It provides reliable sequencing, flame monitoring, and system diagnostics for industrial combustion systems.

Specifications

  • Model: RM7890A1056

  • Series: 7800 SERIES Relay Modules

  • Voltage Rating: 120 Vac (+10/-15%), 50/60 Hz (±10%)

  • Power Dissipation: Max 10 W

  • Connected Load: Up to 2000 VA

  • Fusing Requirement: 15A max, Type SC or equivalent fast blow

  • Operating Temperature: –40°C to +60°C

  • Storage Temperature: –40°C to +66°C

  • Humidity: 85% RH continuous, non-condensing

  • Vibration Resistance: 0.5G

Features

  • Automatic Burner Sequencing: Controls ignition, flame detection, and shutdown

  • Flame Supervision: Compatible with multiple flame amplifier types

  • Valve Proving System: Tests valve seat integrity before and/or after burner operation

  • Selectable Pilot Function: Supports intermittent or interrupted pilot setup

  • Run/Test Switch: Simplifies pilot configuration during commissioning

  • Blinkum Fault Annunciation: LED fault code display for quick diagnostics

  • System Diagnostics: Built-in self-checks and status indication

  • Modular Expansion: Compatible with S7800A display, purge timers, annunciators, and Modbus modules

  • Safety Compliance: Meets industrial safety standards for gas burner control

Is our price competitive?
Topbrands collaborates with over 50 countries worldwide. As a leading supplier in China, we can provide significant discounts to customers based on market demand.
What is the warranty period?
We offer a standard one-year warranty for all new and original items.
What payment methods do we accept?
We accept 100% T/T (Telegraphic Transfer) before shipping. For items with a lead time, a 30% deposit is required in advance, with the remaining 70% balance due before shipping. If you have an agent in China, please contact us for RMB transfer.
What is the warranty period?
We offer a standard one-year warranty for all new and original items.
What shipping methods do we use?
We primarily utilize carriers such as FedEx, DHL, UPS, BRE, etc. If you have an account with any of these carriers, you can arrange the shipping yourself. Additionally, we offer free shipping to China freight forwarders.
What is our delivery time?
Typically, delivery takes around 1-3 days after receiving the advance payment. For items with a quoted lead time, delivery will occur as per the specified lead time.
How do we package the goods?
Our packaging process involves multiple layers of protection. Initially, the product is placed in its original box, sealed with a label. Then, we add a layer of bubble wrap to safeguard against collisions during transportation. Finally, all products are securely packed in sturdy boxes for further protection.
How can customers contact us and request a quote?
Customers can inquire via email, WhatsApp, WeChat, Skype, or any preferred communication platform. Simply reach out to us, and we'll promptly provide a quote tailored to your needs.

Topbrands PLC Limited is a top supplier of genuine new PLC and DCS parts, serving over 50 countries globally. We offer high-quality products from renowned brands like Bently Nevada, Honeywell, ABB, and more. With our warehouse in China stocking up to 30,000 pieces, we ensure rapid delivery to meet urgent order needs while maintaining competitive pricing to save our customers' budgets. Learn more...

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