Honeywell RM7890B1014/U Burner Control Relay
$167.00
$456.00
Description
Overview
The Honeywell RM7890B1014/U is a microprocessor-based burner control relay. It belongs to the 7800 Series and controls automatically fired single burner systems. It supports gas, oil, coal, or combination fuels. The module provides flame supervision, automatic sequencing, and system diagnostics. These features improve safety and operational reliability. It suits industrial combustion systems with intermittent pilot ignition and shutter drive functions.
Technical Specifications
-
Model Number: RM7890B1014/U
-
Series: 7800 Series
-
Application: On-Off primary control for single burner systems
-
Input Voltage: 120 VAC (+10%, –15%), 50/60 Hz
-
Power Consumption: Max 10 W
-
Flame Establishing Period: Selectable 4 or 10 seconds (intermittent pilot)
-
Output Contacts: 2 SPDT relays
-
Compatible Flame Amplifiers: R7847, R7848, R7849, R7851, R7861, R7886
-
Mounting Base Required: Q7800A or Q7800B universal wiring subbase
-
Indicators: 5 LEDs for sequence status
-
Memory: Nonvolatile; retains history after power loss
-
Optional Features: Remote reset, report generation, relight or lockout on flame loss
-
Communication Options: PC interface, Data ControlBus Module, remote display
-
Operating Temperature: -40°C to +60°C (-40°F to +140°F)
-
Storage Temperature: -40°C to +66°C (-40°F to +150°F)
-
Humidity Range: Up to 85% RH, non-condensing
-
Vibration Resistance: 0.5 G
-
Weight: 0.8 kg
Features
Minimum Order Quantity (MOQ)
We welcome bulk orders and have a minimum order quantity of just one unit.
Certificates and Documentation
Upon request, we can provide all necessary documentation, including Certificates of Origin/Conformance and other required export documents.
Delivery Time
For items in stock, we aim to deliver within 1-3 days after payment confirmation. Items with specified lead times will be delivered according to the quoted schedule.
Payment Methods
We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% due before shipment. For RMB transfers, please contact us if you have an agent in China.
Warranty
We offer a standard one-year warranty on all new and original items. If you require an extended warranty, please contact us for additional cost details.
Refund and Return Policy
Your satisfaction is important to us. If you need to return an item, it must be done within 30 days of the order date. The product must be unused, unopened, and in its original packaging with all accessories included. Refunds are processed within 5-7 business days after we receive the returned item. Please note that shipping and related charges are non-refundable.
Featured
Complementary products
Express Delivery
Fast shipping for your urgent needs.
Large Inventory
Extensive stock ensures quick availability.
Premium Quality
Genuine, high-grade PLC & DCS components.
24/7 Customer Support
Reliable service for clients worldwide.